v3.1.3 - 23 June 2021

• NEW: Improved accuracy of bending stress, shear stress and combined stress for members with unsymmetric sections and non-template sections.

v3.1.2 - 07 February 2021

• NEW: IS (Indian) Load Combinations.
• Improvements to shear stress calculations.
• If a section was added via section builder it can now be removed so that E and I can be entered manually.

v3.1.1 - 22 November 2021

• NEW: Add option for load combination summary table to analysis report.
• NEW: 3D renderer has been upgraded to use the new SkyCiv renderer with extra results options added.
• Improved support for display of composite sections in section properties and result summaries.
• Increased evaluation point limit to allow for smoother graphs.

v3.1.0 - 06 September 2021

• NEW: Ability to rotate member/beam about its own axis.
• NEW: Add multiple supports and hinges with comma-separated values in the position field.
• NEW: Convert Beam Data to equivalent values in new units by checking on Settings > Convert Beam Data.
• NEW: Add and save notes to beam elements for reference in future.
• NEW: Design Ratio Summary highlights the worst result ratio for each design result in integrated steel member design.
• NEW: Project Report Manager saves your latest project reports to your cloud file storage for easy future access. See File > Report Manager.
• Hand Calculations can be accessed for suitable load cases with quick links available in Hand Calculation dropdowns.
• Tooltips have been added to the deflection table and ratios to improve understanding of how this is calculated.
• Various bug fixes and quality improvements.

v3.0.1 - 06 July 2021

• NEW: Results verification warnings/errors confirm your FEA Results match SkyCiv Hand Calculations.
• NEW: Added the Ability Save All Unit Settings locally to browser storage when adding new models.
• NEW: Added Only Solve User Defined Load Combinations option to settings.
• Improved accuracy and display of deflection table and fixed issues involved with cantilever beams.
• Resolved issues associated with Load Combinations.
• Fixed scaling of loads at the end of the beam and improved scaling of supports on smaller screens.
• Improved reliability of PDF Analysis Report Downloads.
• Various UI and Bug Fixes to improve the overall user experience.

v3.0.0 - 23 February 2021

• NEW: Full-page user interface with larger modelling space and graph results.
• NEW: Load Combinations can now be added to your beam model.
• NEW: Spring Supports are now available.
• NEW: Improved Professional Reporting.
• NEW: Drag Functionality. Easily re-position by clicking and dragging loads and supports.
• NEW: Integrated Design and Optimizer. Quickly run design checks from the results page.
• NEW: Open in S3D button which transfers your beam model to S3D seamlessly for advanced analysis.
• NEW: Points of Interest Table. Define Points of Interest across your beam.
• NEW: Single-click Copy to Clipboard option for diagram results.
• NEW: Export Results to CSV.
• NEW: Full SkyCiv 3D Renderer now available.
• SkyCiv Beam v2 (i.e. Classic SkyCiv Beam) can still be accessed here.

v2.8.0 - 15 November 2020

• NEW: Deflection hand calculations.

v2.7.2 - 23 April 2020

• Fixed issue with custom materials being used not producing any results sometimes (loading spinner stuck).
• Fixed annoyance issue with section builder right-menu immediately closing after opening the section builder.

v2.7.1 - 15 November 2019

• NEW: Added deflection components (Y, Z, Sum) to 3D renderer results.
• Improved 3D renderer deformed shape when section has a twist/alpha value (i.e. asymmetric).

v2.7.0 - 06 November 2019

• NEW: Moment Distribution Method hand calculations available for statically indeterminate reaction calculations.
• NEW: Deflection Span values now calculated (e.g. L/250) along the member. Set the deflection limit in Settings from the top menu.
• NEW: Stresses that exceed material strength will now be highlighted red.

v2.6.1 - 08 October 2019

• NEW: Ability to add multiple evenly-spaced supports and point loads (based on quantity and interval).

v2.6.0 - 17 September 2019

• NEW: Add self-weight option when the beam has a section shape assigned from the builder.

31 July 2019

• NEW: Add materials from the material database through the section builder.

22 March 2019

• NEW: Added Canadian code (CSA A23.3-14) for RC Design.

v2.5.1 - 13 February 2019

• NEW: Added helpful buttons to input menus that fill location input fields more easily.

v2.5.0 - 13 December 2018

• NEW: A solution can now be generated without adding supports provided that the beam is in static equilibrium.

v2.4.2 - 24 October 2018

• NEW: Integrated NDS 2018 ASD/LRFD Member Design code into the software.
• NEW: Math expressions can now be entered into the input fields.
• NEW: Upon entering on a field, it will auto-highlight the entire text for easier data entry.
• NEW: By default, a distributed load's length will be the entire beam span as this will save data entry for the user when this is the case.
• NEW: The data of the integrated member design modules will now be saved along with the beam model file.

v2.4.1 - 24 September 2018

• Added missing E and I values to PDF report when custom values used for E and I.

v2.4.0 - 12 June 2018

• NEW: RC design module has been integrated. You can specify a load type for each load for the purpose of the design module.
• NEW: Ability to add descriptions/notes to supports and loads for reference.

v2.3.1 - 11 April 2018

• Improvements to the way loads are drawn on the model and free body diagram. Fixed some scaling issues.
• Fixed issue with the aspect ratio of the title page image of the beam model on the PDF Report.

v2.3.0 - February 2018

• NEW: Moved software to a new platform (platform.skyciv.com). Appearance of software UI may be slightly changed.

v2.2.1 - 19 December 2017

• NEW: SkyCiv Canadian Steel (CSA S16-14) Design Code integrated into SkyCiv Beam.
• Fixed a messaging alert issue where a beam that could not be solved kept saying the server was down.
• Fixed a bug where extremely small spanning distributed loads would not solve.

v2.2.0 - 5 December 2017

• NEW: Deflection of completely asymmetric sections (like angles) can now be accurately calculated as the deflection in both axes (y and z) are now found. Use the dropdown to select vertical or horizontal deflection.
• NEW: Added new sections to the database library of standard shapes.
• Fixed an issue with 3D renderer showing the reversed section shape about the y-axis.

v2.1.1 - 1 November 2017

• NEW: SkyCiv Australian Steel (AS4100) Design Code integrated into SkyCiv Beam.

v2.1.0 - 11 September 2017

• NEW: SkyCiv Eurocode 3 Design Code integrated into SkyCiv Beam.

v2.1.0 - 12 August 2017

• NEW: SkyCiv Design (AISC 360-10 and AISC 360-16) codes have been integrated with SkyCiv Beam.
• NEW: Solve button and UI layout has changed to accommodate the design codes.
• NEW: Material Strength data can now be added/edited within the section builder for the purpose of design.
• Fixed bugs related to PDF report. Also slightly improved the PDF report.

v2.0.5 - 6 July 2017

• NEW: Materials Library added to assist with Modulus of Elasticity Values when not using the Section Builder.
• NEW: Shape Library added so it's easier to enter Moment of Inertia without using the Section Builder.
• NEW: Deflection can now be calculated without a paid account (i.e. for FREE)

v2.0.3 - 19 February 2017

• NEW: Hand Calculations can now be added to the PDF Report.
• A few fixes to the hand calculations and a slightly neater layout. The hand calculations are also less 'glitchy' and 'flashy' and appear on screen only once they are fully ready.

v2.0.2 - 14 February 2017

• Fixed an issue with the rounding of certain results. The software should now report results up to 5 significant figures whilst dropping trailing zeros to make the output easier on the eyes.

v2.0.1 - 19 January 2017

• NEW: Loads and supports can now be clicked to edit them when building the beam.
• NEW: Fixed supports can now be added anywhere along the beam (not just the ends).
• NEW: Hinges can now be added at pinned and roller supports.

v2.0.0 - 07 December 2016

• NEW: Hand Calculations Wizard. More detailed solutions reactions, SFD and BMD fully worked solutions than before.
• NEW: Section Builder. The new SkyCiv Section Builder (SB) has been integrated into SkyCiv Beam.
• Improved adding a 'custom' section without specifying a shape. It is now much easier to enter a custom material (E) and moment of inertia (I) without using the section builder.

v1.3.3 - 26 July 2016

• NEW: PDF Report.
• Fixed bug related to unknown sections when saving files.
• Further Improvements to Retrieval of Section Info on Solution Page.

v1.3.2 - 14 July 2016

• Fixed bugs related to the new v1.3.0.
• Improved Retrieval of Section Info on Solution Page.

v1.3.0 - 06 July 2016

• NEW: Cleaner Output, Better Layout and Improved Appearance.
• NEW: Improved File Management including Thumbnails.
• Faster Solve and Loading Time (One Page).
• Improved Overall Reporting.
• Improved 3D Renderer Controls.

v1.2.4 - 16 February 2016

• NEW: "Settings" can be changed on the solution page which changes various graphing/diagram settings for easier readability.

v1.2.3 - 17 December 2015

• NEW: Files can now be saved with "Job Details" attached.
• NEW: File Manager for saving and opening files.

v1.2.1 - 28 October 2015

• NEW: Section Database. Section builder now can import standard sections from America, Australia, Europe and Britain.
• NEW: Channel Sections.
• NEW: Ability to save sections.
• Height of section is now displayed in the section summary on the results page.

v1.2.0 - 28 September 2015

• NEW: Full working solution added for statically determinate problems (great feature for students).
• NEW: Full working solution for SFD and BMD by method of sections/cuts.
• NEW: Inclined point loads can now be added and solved.
• NEW: The free body diagram on the solution page now has the ability to show equivalent loads of distributed loads and inclined point loads.

01 September 2015

• Fixed issues with "Save to Image" function.

v1.1.1 - 15 July 2015

• NEW: 3D Renderer which displays results with color contours.
• Maximum limit of loads/supports increased from 10 to 20.
• NEW: Stress values displayed on the section.
• NEW: Rotational displacement results now available!
• NEW: Section dimensions now get saved with your file.

v1.1.0 - 28 May 2015

• NEW: Dynamic section builder available.

v5.8.0 - 23 June 2022

• NEW: Improved accuracy of bending stress, shear stress and combined stress for members with unsymmetric sections and non-template sections. These stress results will now be with respect to the member's local principal axis.

v5.7.7 - 1 June 2022

• Copy-Paste function now allows copy of distributed loads and point loads as well as the ability to paste onto to multiple nodes at once.
• Fix issue with member-line passing through geometric centroid rather than TSM centroid for composite material sections.

v5.7.6 - 19 May 2022

• Show faint guide lines for offset positions via Settings > Modelling > Show offset guide links.
• Improved quality of meshes from plate mesher.

v5.7.5 - 12 May 2022

• NEW: Simple Euler-Buckling calculations for each member added as an alternative to the regular buckling analysis.
• NEW: New settings for reversing the direction of the selection box tool. Also can be changed in user account software settings.

v5.7.4 - 27 April 2022

• NEW: Copy-Paste Functionality. Use CTRL + C and CTRL + V on parts of your model. It works between different windows as well as within the same model.
• Ensure the camera view stays consistent between the wireframe and 3D renderer when switching between them.
• View nodal masses that were converted from static loads in the UI after solving or in the analysis report.

v5.7.3 - 11 April 2022

• NEW: Non-prismatic members can now also be set to Continuous.
• NEW: Non-linear Distributed Loads: Enter in an equation or formula to apply non-linear distributed loads to members.
• NEW: Import model API JSON without clearing original model so that two models can be merged.
• When unmeshing, don't remove nodes if they are connected to supports or loads.
• Fix issue with projected area loads.
• Fix issue with directional supports when offsets involved.

v5.7.2 - 31 March 2022

• NEW: Global Projected Loads for distributed loads, plate pressures and area loads.
• Improve variance check for area loads.

v5.7.1 - 24 March 2022

• Improve processing speed of inner-members for two-way area loads.
• Fix issues with groups table.
• Fix more issues with area loads.

v5.7.0 - 16 March 2022

• NEW: Non Rectangular Area Loads. Users can now add area loads to irregular shaped planes, by assigning a pressure to a number of members with a closed space.
• NEW: Maximum Combined Stress result.
• NEW: Custom image and title name can now be used for PDF report title page.
• NEW: Loads can now be displayed in the 3D renderer.
• NEW: Coloring option for Load Groups in Visibility Menu > Colour Load Groups.
• Added a helper button to orient a members local y-axis to the global vertical axis.
• Improved combined stress result options.
• Re-organised settings menus.
• Added a setting Building Slenderness Limit for the Results Summary in Settings > Solver > Summary Result Settings.
• Fix more issues with area loads.

v5.6.0 - 01 March 2022

• NEW: Semi-rigid connections. Change the member-end fixities to use "S" in the fixity code for the y and z-rotations and you'll be able to enter a rotoational spring stiffness for each end rotation.
• Solver will now remove disconnected nodes and throw a warning instead of stopping and throwing an error.
• Result Summary Deflection Check will only use Serviceability Load Combinations if they exist.
• Improve buckling analysis accuracy.
• Fix issues with area loads.

v5.5.5 - 07 February 2022

• Improvements to shear stress calculations.
• If shear area is manually specified for a timoshenko beam then it will be used to calculate shear stress instead of the automatically calculated shear area from the section builder.

v5.5.4 - 01 February 2022

• Improved repeat/copy operation as original structure can now be removed so it acts like a move function. Improved rotation operation.
• Fix occasional reactions issue when offsets or rigid links are used with non-linear finite displacement theory.
• Fix occasional convergence issue when prestress loads are used with non-linear finite displacement theory.
• Other bug fixes.

v5.5.3 - 21 January 2022

• NEW: IS 875 Load Combinations in the auto load combination generator.

v5.5.2 - 12 January 2022

• NEW: You can turn off extrapolation of plate results from gauss points to nodal points via Settings > Solver > Extrapolate Plate Results. Previously this was always on.
• Fix an issue with validation of continuous members when the member uses offsets.
• Fix an issue with linear pressure validation.

v5.5.1 - 2 January 2022

• Improvements to Timoshenko beams and non-uniform distributed loads.

v5.5.0 - 9 December 2021

• NEW: Thermal Loads can now be added via Advanced > Thermal Loads.
• NEW: Insertion Points functionality added under member end offsets. Use "top", "bottom", "right", "left", "center" or "shear" in the Member Offsets input to control the insertion point location.
• NEW: Visual Only member offsets. These offsets do not affect the analysis and are used for visualization only. Simply add "visual" as the 4th comma seperated value in the offset property of the member.
• NEW: Shear Modulus property for materials to assist with non-isotropic members.
• NEW: Right click to quickly connect node(s) to a member. Highlight node(s) and a single member, then right click to connect the node along that member (it will take the shortest distance).
• Improvements to finite displacement non-linear analysis (implemented 7 December 2021).
• Scale slider now scales moment loads and moment reactions.

v5.4.4 - 30 November 2021

• Improve how the local axes of elements are computed when they are slightly-off the global Y-axis. User will be prompted if this afected the orientations of elements in older files.

v5.4.3 - 1 November 2021

• Vastly improved the mirror operation so it can correctly handle offsets and sections that are not fully symmetric.
• Fix for node labels via API.

v5.4.2 - 03 November 2021

• NEW: Gridlines and Elevations helper which can be accessed via Advanced > Gridlines & Elevations.
• Area Loads - Column wind elevation loads can now be applied perpendicular to span beams.

v5.4.1 - 27 October 2021

• NEW: Datasheet table filters to easily manage larger datasets.
• Datasheet speed improvements.

v5.4.0 - 21 October 2021

• NEW: RC Plate Design module for slabs.
• NEW: Added Elevation Direction field for column wind loads.
• You can now add more than one notional loads case and then factor it within the load combinations.
• Improve the Non-Prismatic UI within the section builder as you can now choose as end-shape rather than defining the variation manually.
• Bug fixes for area loads.

v5.3.2 - 28 September 2021

• Added option to consider offsets of prismatic member segments for non-prismatic member sections.
• Added setting to turn off smoothed plate nodal results in Settings > Solver > Smooth Plate Nodal Results.

v5.3.1 - 20 September 2021

• NEW: Temporarily hide offsets graphically by toggling Settings > Other > Show offsets visually.

v5.3.0 - 06 September 2021

• NEW: Graph multiple load combination results simultaneously and choose different colors for their result sets.
• NEW: Project Report Manager saves your latest project reports to your cloud file storage for easy future access. See File > Report Manager.
• Hidden members will be retained when undo/redo is used.

v5.2.3 - 05 August 2021

• NEW: Option for Analysis Report PDF font size.
• Improve detection of nodes along continuous members.
• Improve caching of results of saved models.

v5.2.2 - 26 July 2021

• Fix issue with duplicate/unwanted modes shapes being returned in dynamic frequency analysis results in some cases.
• Fix minor issue with Response Spectrum Analysis when springs supports used.

v5.2.1 - 20 July 2021

• NEW: IFC Export via File > Export > IFC.
• Improved area loads speed and performance.

v5.2.0 - 01 July 2021

• NEW: 3D Renderer (v2) which has more display features included like labels, shadows etc and a new appearance.
• NEW: Control which nodes connect to a rigid diaphragm by right-clicking the diaphragm plate > Plate Diaphragm Nodes.
• NEW: Lock the current view by clicking the padlock icon next to the global axis or using CTRL + L. This is useful in results mode when you need to drag move labels without accidentally rotating the model.
• Improved the iterative analysis for tension/compression members.

v5.1.1 - 23 June 2021

• NEW: Export model and results to XLSX spreadsheet via File > Export > Spreadsheet.

v5.1.0 - 17 June 2021

• NEW: Notional Loads can be added via Advanced > Notional Loads.
• Envelope Cases can now be used for the Analysis Report.

v5.0.2 - 08 June 2021

• Datasheet right-click menu options are now more easily accessible and noticeable in the options menu above the datasheet table.
• Improve DXF importer so that it does not always replace members if they already exist.

v5.0.1 - 03 June 2021

• Fixed some issues with moving conected nodes and shifting nodes operation.
• Solver now ensures that all internal members used for a continuous member use the same local axis system. Previously this might not have been the case with members slightly misaligned with the vertical global Y-axis.
• When creating a plate via the mouse, you can now finish the creation by using the ENTER key.
• When creating a plate via the mouse, clicking other elements will not lose the selection until the plate creation is finished.

v5.0.0 - 17 May 2021

• NEW: Suppress parts of the model. You can temporarily suppress elements in the model via the left-menu, right-click menu, datasheet or Advanced > Suppressed Elements.
• NEW: Filter load-combinations. Temporarily exclude load combinations before solving to save on solve time.
• NEW: Repair Model function will now locate the position of the changes when hovering over the information icon of a repairable task.
• NEW: Speed and performance improvements to the solver.
• Tabular and CSV Reaction results are now more easily accessible from under the red Reactions result button. Sum of reactions in each axis is also calculated.
• Nodes will no longer be deleted when they're not the only type of element selected in the graphics.
• Improved mouse-click accuracy for lines/members.
• Improved appearance of left-menu button sets.
• Added LC name label to top-left graphical legend which will now also appear in screenshots.

v4.10.2 - 20 April 2021

• Improved Drag Select Box. The drag select box won't cause previous selections to be de-selected. It will also invert the selection rather than just always selecting but if the old behaviour of always selecting can be toggled via Settings > Other > Invert selection on drag select.
• Various bug fixes.

v4.10.1 - 17 March 2021

• Improved plate graphics colour.
• Fixed issue with applying linear pressures via datasheet.

v4.10.0 - 05 March 2021

• NEW: Rigid-Diaphragm plates. A plate can be used as a rigid diaphragm by changing the diaphragm property of the plate to "Rigid".
• NEW: Dynamic Frequency Analysis of structures that include plates.
• NEW: Plates now have a membrane thickness, bending thickness and shear thickness property to control the stiffness of each action.
• NEW: Orthotropic Plates. This is done by creating orthotropic material properties (Ex, Ey, Gxy, Gxz, Gyz) and then assigning this material to the plate.
• NEW: Non-Linear Analysis with Tension/Compression Members. Previously this was unavailable/disabled if a non-linear analysis was run when the structure included these types of members.
• NEW: View full buckling results table in the UI rather than just the output report.
• NEW: Ignore parts of the structure under a specific vertical level for dynamic frequency analysis via Settings > Solver > Dynamic Frequency Vertical Cutoff.
• Improved Section Legend to use better icons.
• Graphical change with the way member prestress load inputs are represented. Positive magnitudes will cause an axial compression so the icon will be red. Negative magnitudes will cause an axial tension so the icon will be blue.

v4.9.1 - 03 February 2021

• NEW: Control the visibility of rigid members in Visibility Settings > Rigid Link Members.
• NEW: SkyCiv Optimizer auto-running in background after solving to suggest a more optimized model. This can be controller via Settings > Solve > Auto-run SkyCiv Optimizer.
• NEW: Remove unused sections and materials via Repair Model.
• Zoom in closer with orthographic camera in the main renderer.

v4.9.0 - 18 January 2021

• NEW: Add tapers and haunches (non-prismatic members) via Section Builder > Taper (Right-Menu).
• NEW: Bottom Status Bar. Control the visiblity of items in the status bar via Settings > Status Bar.

v4.8.2 - 13 January 2021

• NEW: Evaluate a member's result value at any point along the member via the Single Member Result function.
• NEW: Choose whether to include rigid links as part of the member's for Area Loads in Settings > Other.

v4.8.1 - 25 November 2020

• NEW: Re-number and re-order IDs of nodes, members and plates via Edit > Re-number IDs.
• NEW: Hide load labels in visibility settings.
• NEW: Hide member design result labels in result visibility settings.

v4.8.0 - 18 November 2020

• NEW: Automatically move connected nodes. When a member is moved, any nodes along the member will be moved with it.
• NEW: Add Bracing through Right-Click Menu: Select/highlight 4 nodes and then Right-click > Add Bracing.
• NEW: Add Plates through Right-Click Menu: Select/highlight 3 or more nodes and then Right-click > Add Plates.
• NEW: Add Rigid Diaphragm through Right-Click Menu: Select/highlight nodes and then Right-click > Add Rigid Diaphragm.
• NEW: Use Global Axis for Member Offsets in Settings > Other > Member Offsets Axis.
• NEW: Wood-Armer Moment Plate Results.
• NEW: Upon re-opening the software, the data from the last session can be restored if it was lost or unsaved for whatever reason. A popup will appear to prompt the user that unsaved data from the last session exists.

v4.7.4 - 14 November 2020

• Some fixes for area loads update speed and frequency.

v4.7.3 - 12 November 2020

• Evaluation Points in settings is now a number field rather than a dropdown and can be manually set by the user to any number they wish between 3 and 50.
• Bug fixes for API results object evaluation points.

v4.7.2 - 09 November 2020

• NEW: Plate Alignment Tool. Align the local axis of a plate to other plates, vectors, nodes or members.
• NEW: Envelope results will now be calculated on a point-by-point basis rather than finding the min/max/abs of a member and using that member's results from the single load combination. The older method will still be available in Settings > Solver.
• Added setting to control whether smoothed diagrams are drawn.

v4.7.1 - 16 October 2020

• NEW: Export Single Member Graph to an Image file.
• NEW: Export Single Member Data to a CSV file.

v4.7.0 - 13 October 2020

• NEW: Improved Rigid Links and Offsets. This includes faster solving and processing of models with a large number of offsets or rigid links.
• NEW: General overall speed improvement for solver (approximately +50% faster solve times).
• NEW: Optionally enable an audio alert to trigger when the solve is finished.
• NEW: Added Vertical Axis setting to SkyCiv Account User Settings so it can be saved for new files if desired.
• View up to 1000 rows in the datasheet at a given time. Use a smaller number of rows if your device cannot handle this amount of data.

v4.6.5 - 23 September 2020

• NEW: Method of Sections for Truss Hand Calculations.

v4.6.4 - 11 September 2020

• NEW: Added kip-in units for moment.

v4.6.3 - 26 August 2020

• NEW: Directional Supports. Define a support so that it acts only in a positive or negative axis direction via the "Direction Code" property of the support.
• NEW: Check all area load variances via Advanced > Check Area Loads Variances.

v4.6.2 - 24 August 2020

• NEW: Displacement Span Limit check method. An alternative calculation method is now available for continuous methods.

v4.6.1 - 18 August 2020

• NEW: Settings > Solver > Only solve user-defined LCs can now be used to completely skip solving individual load groups and load cases. Previously it was only possible to ignore them for the results summary and envelope results.
• Speed improvement with Tension/Compression Member analysis.

v4.6.0 - 09 August 2020

• NEW: Linear Pressures can now be used for loading plate/shell elements. Set the "Load Distribution" to "Linear" when adding a pressure.
• Minor speed improvement when preparing for the analysis of larger models.
• Fixed issue with plate mesh precision.

v4.5.10 - 02 July 2020

• NEW: Groups can be used for filtering analysis results.
• Fixed an issue with load combinations datasheet where some values would be missing from the table.

v4.5.9 - 12 June 2020

• NEW: Space GASS Import and Export method for TXT files.
• NEW: Import STAAD PRO files.

v4.5.8 - 27 May 2020

• NEW: ASCE 7-16 load combinations.
• Improved intersecting members function.

v4.5.7 - 20 May 2020

• NEW: S3D Voice Command. Control S3D using your voice. This can be enabled in Account > Software Settings > Addons.

v4.5.6 - 12 May 2020

• Make Section Designer (GSD) tool more accessible through right-click of member and "Design" top-menu.

v4.5.5 - 28 April 2020

• NEW: Ability to add holes (via a polygon list of nodes) to a plate.
• NEW: Hover over plate results to see their values.
• More improvements to plate solver and plate meshing since v4.5.0.

v4.5.4 - 24 March 2020

• NEW: Ability to toggle visibility of nodes used in plate mesh.
• NEW: Use a physical size for the mesh.
• NEW: Auto-detect or manually select nodes and members within the boundary of the plate so that they are used in the plate mesh.
• Changed mesh options to a draggable container rather than a box blocking the etnire screen.

v4.5.3 - 17 March 2020

• NEW: Ability to preview mesh and adjust it more easily, including switching of b & h values for structured meshes.
• More improvements to area loads sensitivity and tolerance issues.

v4.5.2 - 12 March 2020

• NEW: Span members function that will create equally spaced members over a spanned distance.
• NEW: Work from a local file via File > Import > Link Local File. This will constantly scan for changes in a local SkyCiv JSON file and update the model when changes are found.
• NEW: NBCC 2015 load combinations added to load combination importer.

v4.5.1 - 03 March 2020

• Some improvements to area loads internal members detection and reliability.

v4.5.0 - 28 February 2020

• NEW: Improved Plate/Shell Element now implemented resulting in more accurate plate results when unstructured meshes are used.
• NEW: It's now possible top toggle top and bottom plate stress results.
• NEW: Improved mesh algorithms which lead to better quality unstructured meshes.
• NEW: Align plate function which ensures the meshed plate elements are aligned to the local axis of the parent plate (Advanced > Plate Alignment Tool).
• Stay tuned for more improvements in the usability of plates which will come in the next few releases.
• NEW: After selecting graphical elements they can now be filtered using Right-Click > Filter Selection.

v4.4.0 - 13 January 2020

• NEW: Add-ons released for "Detailed Comments", "Bill of Materials" and "Slack Integration". These can be enabled in Account > Software Settings > Addons.
• NEW: Center of Gravity and Total Mass Calculation via UI in Advanced > Center of Gravity.
• NEW: The visibility of the units of result values can now be toggled in the results settings via the "Result Units" checkbox option.

v4.3.4 - 08 January 2020

• NEW: Rotation operation to rotate elements about an axis. Access via Edit > Operation > Rotate.
• NEW: Keyboard shortcut (J) for joining co-linear connected members.
• Fix issue with legend in Shear Force Single Member Diagrams.
• Fix issue with splitting/intersecting members removing loads on those members.
• Adjusted displacement span ratios to be more accurate for members with free-ends and continuous members.

v4.3.3 - 28 November 2019

• NEW: Repeat function can now repeat in the direction along and normal to a member's axis rather than just the global axes.
• NEW: Pen tool now detects vectors of adjacent members to allow members to be extended.
• NEW: Bulk-edit multiple cells in the datasheet via the right-click menu. Replace, add, subtract, multiply and divide all selected cells with a value.
• Click-drag selection box will now detect plates.
• Improvements to multi-edit system including filling common values if they exist, rather than filling blank values for all fields.

v4.3.2 - 14 November 2019

• NEW: Files can now be saved with a comment at the time of saving which can be used for the version history of the file/model.
• NEW: Improvements to Version History including more details about changes to the model, comments and ability to remove revisions.
• NEW: Added shortcut for split member (Use "X" key when any members are selected).
• NEW: Long tap graphical elements on touch-devices to open right-click context menu.
• Fixed some issues with the newer area loads introduced in v4.3.0.
• Default value of load combination factors is now 0 rather than 1.

v4.3.1 - 28 October 2019

• NEW: Ability to search materials database.
• NEW: Automatically design and pick joists from SJI catalogue by setting member type property to "Joist".
• NEW: Ability to import wind loads from the load generator (Area Loads > Load Generator).

v4.3.0 - 18 October 2019

• NEW: Open Structure Area Load which uses the face of the member's shape that is facing the load direction to calculate the loads.
• NEW: Two Way Area loads can now detect inner members and are more reliable.
• NEW: Former One Way (Open and Close) area loads have been deprecated. One Way loads will now calculate loading based on tributary widths.
• NEW: Reminder to save the file after 10 minutes of unsaved changes.
• NEW: Add button to quickly add sections from database within Section menu rather than needing to go into the section builder.
• Column Wind Load type in Area Loads no longer follow absolute vertical distance. Instead the absolute member distance will be used for the loading calculation.

v4.2.2 - 16 September 2019

• NEW: Modal Mass Participation results added to dynamic frequency results.
• NEW: Added ABS, CQC, SRSS load combination types to spectral load groups.
• NEW: Repeat Operation (Edit > Operations > Repeat) can now also duplicate loads.
• NEW: Import DWG (2D Plans) and interact with them easily create structures based on the DWG plan drawing.

v4.2.1 - 10 September 2019

• NEW: Added function for creating a new member from an existing node in any direction. Right-click a node then select Add Relative Member.
• CSV Exporter can now export results from all load combinations in a single export.
• Improve some annoyances with smaller screens.

v4.2.0 - 20 August 2019

• NEW: Welcome screen when starting the software with three options: Open File, Add Template, Upload File.
• NEW: Template Assemblies. Add template assemblies from the library to help speed-up modelling. Click "Assemblies" button in left-menu.
• NEW: Allow math expressions in datasheet cells (e.g. entering "=1+2" in a datasheet cell will evaluate to 3).
• Reaction result arrows will now scale with the scale slider.

v4.1.0 - 06 August 2019

• NEW: Dynamic Frequency Analysis. Use new "Nodal Masses" to create masses at nodes in the model.
• NEW: Response Spectrum (RS) Analysis. Use new "Spectral Loads" to create loads needed for RS analysis.
• NEW: Displacement Span Check in Analysis report.
• NEW: Added settings to ignore individual load cases and load groups when compiling envelope results and the results summary data.
• Removed annoying "Load Previously Saved Results?" alert on file load. Now if results exist then the solve will be bypassed and the previous or existing results will be auto-loaded.
• Fixed issue where " character would be replaced with ' character in job details fields when saving a file.
• Fixed issue with 3D renderer plate results caused by Chrome 75.

v4.0.0 - 24 June 2019

• NEW: Import/Export Revit Models (.rvt files) using File > Import/Export.
• NEW: Improved support symbols for fixed, pinned, roller and spring supports.
• NEW: Hide/Show functionality now available on post-processing results UI and design UI.
• NEW: Added user-editable tolerance inside Repair Model's merge nodes function.

v3.4.4 - 30 May 2019

• NEW: Prestressed Loads for members can now be added in Advanced > Member Prestress Loads.
• NEW: Added an element locator pulse to identify elements in wireframe graphics.
• NEW: Added new loading spinner that includes helpful tips for using the software.
• Added more shape symbols for section legend.

v3.4.3 - 15 May 2019

• NEW: Added "Merge Overlapping Members" to Repair Model function.
• Made some improvements to the vertical Z-axis view setting.
• Fixed issue with ASCE-LRFD and ACI-318 auto-import load combinations omitting "Snow: Roof live" load case factors in some load combinations.

v3.4.2 - 11 May 2019

• NEW: It's now possible for enterprise users to import/export SkyCiv JSON files to their device to act as local file storage using File > Import/Export > SkyCiv File.
• Fixed some issues with Column Wind Load.
• Fixed some issues with Multi-Edit form validation.
• Improved some warnings and checks in the UI relating to duplicate nodes and zero-length members.
• More bug fixes with the last release.

v3.4.1 - 07 May 2019

• NEW: Grouping functionality (Edit > Groups) which allows you to group similar structural elements into a family. This also features "auto-grouping" which automatically detects and groups similar elements for you.
• NEW: Results Summary can be viewed after solving the analysis model. This summarizes results from all load combinations.
• NEW: You can now change the font-size for the graphics in Settings > View > Graphics Font Size.
• Minor bug fixes.

v3.4.0 - 23 April 2019

• NEW: The "Split Members" function in the right-click menu can now split by "intersecting members". Similarly you can right-click a member and intersect it with other members using "Intersect Members".
• NEW: Multiple Self-Weight cases are now available. Each self-weight case will have its own load group (e.g. SW2).
• Improvements to datasheet speed and data processing.
• Fixed graphical issues where plates and members did not deflect with the same scale.
• Fixed issue with removing copied (mirror/repeat) plates. The meshed plates of these plates would not get removed with the parent plate.
• Minor fixes for issues with plate solver.
• Minor bug fixes.

v3.3.9 - 10 April 2019

• Collapsed model view and rotation buttons into "Views" and "Rotate" buttons in the right-bar.
• Added "Do not show this message again" checkbox to Multi-edit confirmation popup.
• Minor bug fixes.

v3.3.8 - 02 April 2019

• NEW: Added a "Join Members" function to right-click menu when several co-linear and connected members are selected.
• Improved mouse center zoom accuracy.
• Improved data validation issues with area loads inputs. Fixed issue with changing nodes/members associated with area loads that would cause the model to not update correctly.
• Fixed issue where "Additional Data" of materials would be removed if materials datasheet was used. Editing of Materials is now disabled through the datasheet.
• Fixed issue with zero magnitude label for "Column Wind Load" area loads.
• Minor bug fixes.

v3.3.7 - 18 March 2019

• NEW: Added AS1720 (Australian Timber) to the member design module in beta-stage development.
• NEW: Added ability to reset design data inside the member design module rather than always using saved data when the module loads.
• NEW: Added Canadian code (CSA A23.3-14) for RC Design.
• Fixed issue introduced in v3.3.5 which caused the model to disappear in the 3D renderer occasionally.

v3.3.6 - 11 March 2019

• NEW: DXF Import will now assign section IDs to imported members via the DXF layer.
• NEW: Added checkbox option ("Clear previous data on import") which provides an option to clear entire structure upon importing DXF or CSV files.
• NEW: Added "Mouse" options to "Settings" to control for mouse sensitivity of rotating, panning and zooming.
• Fixed issue with bottom error info bar that could flash red for a very long time if repair model failed.
• Fixed orientation issue when importing a DXF file while using vertical Z-axis in SkyCiv modeling.
• Increased number of search results of Section IDs when using left-menu for members.
• Improved clicking accuracy when selecting members that are close together.
• Improved "Repair Model" function to prevent it repeating tasks multiple times. Also tightened the tolerance on the function which splits members by intersecting nodes.

v3.3.5 - 04 March 2019

• NEW: Share your model with the world using the public viewer: File > Share > Public Viewer Link
• NEW: Give a material a class like "Steel", "Aluminium" etc.
• 3D Renderer now opens much quicker than previously. It will open instantly after it has been opened once.
• Decreased the "Initializing" time when solving by around 30-40%. It is more noticeable on larger models.
• Fixed issue with 3D renderer getting stuck when looking at results of structures with removed tension/compression only members.
• Fixed node coordinates rounding/precision issue when using some operations.

v3.3.4 - 15 February 2019

• NEW: "Scale Nodes" operation to increase or decrease node coordinates about a center point. Use it via Edit > Operations > Move Nodes.
• Fixed major units conversion issue with area loads magnitudes and unit selections that were not default units within Metric or Imperial system.

v3.3.3 - 08 February 2019

• NEW: "Version History" now replaces the old "Manage Previous Versions". Preview your previous versions to see how your model has changed over time and choose whether to restore it to a previous version. Access it via File > Version History.

v3.3.2 - 04 February 2019

• NEW: Global Z-axis can now be selected as the vertical axis in Settings > View > Vertical Axis. Toggle between Y-axis and Z-axis as the vertical axis.

v3.3.1 - 24 January 2019

• NEW: Change the colors associated with sections in wireframe and 3D renderer via the "Renderer Color" section property.
• NEW: "Shift Nodes" operation added. Select multiple nodes and move them along an axis in Edit > Operations > Shift Nodes.
• NEW: "Measure Tool" added to measure distances between nodes in Advanced > Measure Tool.
• NEW: Shear Area properties of sections for the use of Timoshenko beams can now be auto-filled from the section builder if the values exist. This saves the user from manually entering the shear area fields when using Timoshenko members.
• NEW: Hovering over nodes displays coordinates in bottom bar. Hovering over members displays length in bottom bar.
• Fixed issue with "Repair Model" function repairing all issues rather than the issues only selected by the user.
• Notify user that tapping ESC key will hide the loading screen overlay if it happens to get stuck for more than 10 seconds.
• Moved Advanced > Operations to the Edit top menu.

v3.3.0 - 11 January 2019

• NEW: 3D shapes of members can be viewed in wireframe graphics via Visibility Settings ( icon) > 3D Members. This makes it easier to view the orientation of the members in 3D space and the direction that loads are applied to the member.
• NEW: Zooming the wireframe model now zooms into the position of the mouse rather than the center of the screen.
• Fixed issue where column area loads in the model would cause the Analysis Report PDF to have blank images.

v3.2.2 - 05 December 2018

• NEW: Mirror Operation (Advanced → Operations). This is a true mirror/reflection operation rather than a simple repeat as done previously.
• NEW: Clicking a table row in the Member Design results table will now isolate that member's results in the graphics.

v3.2.1 - 23 November 2018

• Fixed issue where you would have to sometimes use 'Undo' twice to undo the meshing of a plate. This could sometimes lead to a double meshed plate if undo was only run once and then the plate was re-meshed.
• Fixed issue where member would sometimes not rotate correctly in the 3D renderer when the member was rotated from within the section builder.

v3.2.0 - 13 November 2018

• NEW: Tension and Compression Members are now available. Change the "Type" field in the member properties. A tension/compression limit can also be attributed to the member.
• NEW: Left-menu can be resized by click-dragging its border.
• NEW: Graphical elements will glow on hover making it more responsive to click/select them.
• NEW: Column wind load is now available as a new type of area load via Area Loads > Type: Column Wind Load. It allows you to select a plane (by nodes) and then generate stepped distributed loads from stepped pressures that vary with elevation onto your columns in the plane.
• NEW: Material ID and Section ID fields in the left-menu are now searchable, displaying a text description rather than just an ID number.
• NEW: Add new materials directly from the Section Builder.
• NEW: Most database sections added from the Section Builder now load a default material (e.g. A992 material will automatically load with an AISC W-Shape).
• NEW: Quickly add sections above the Section ID field in the left-menu for a member by clicking the '+' icon.
• NEW: Access information about the solution after solving via Advanced > Solution Info.
• NEW: Summary of keyboard shortcuts and general tips in Help > S3D Shortcuts & Tips.
• NEW: Create simulated inclined roller supports. Right-click a node then select Add Inclined Support.

v3.1.3 - 02 November 2018

• NEW: Added a new option for the buckling solver which allows the use of the Parabolic Johnson Formula.
• NEW: Critical Buckling Stress is now automatically calculated and can be viewed in the UI post-solving or the Analysis Report.
• NEW: It's also now possible to view the Critical Buckling Load in the UI after solving.
• Fixed issue created in v3.1.0 due to to new unit options where buckling loads and effective lengths were incorrect if default metric or imperial units were not used.
• Fixed issue with trying to enter RC design module when invalid members/sections found that aren't compatible with the RC module.
• Fixed issue with 3D renderer not working in some unsupported browsers like Internet Explorer.

v3.1.2 - 24 October 2018

• NEW: Integrated NDS 2018 ASD/LRFD Member Design code into the software.
• NEW: Math expressions can now be entered into the left menu input fields.
• NEW: The data of the integrated member design modules will now be saved along with the structural model file.
• NEW: Tapping ESC key will hide the loading screen overlay if it happens to get stuck.
• NEW: Export directly to the SkyCiv API from S3D using File > Export > Direct to SkyCiv API.
• NEW: Beta release of API Scripts. Use JavaScript to build your structure in Advanced > API Scripts.
• Splitting a member will now correctly split any member loads that belong to the original member and assign them to newly created members.
• Fixed some issues when exporting CSV data of results that do not exist.

v3.1.1 - 09 October 2018

• NEW: Integrated Reinforced Concrete (RC) Beam/Column Design (ACI 318, Eurocode 2 and AS3600) into the software.
• NEW: Integrated Connection Design (AISC 360-10) into the software.
• The integrated member design modules can now handle any combination of units the user has selected, rather than only the default metric/imperial selections.
• Fixed issue where fillet dimension of sections was not getting converted when the units changed for the structural model.
• Fixed issue where only changing load cases after already solving would not trigger a new solve.

v3.1.0 - 24 September 2018

• NEW: More units are now available rather than simple choosing 'Metric' and 'Imperial'. For example, 'mm' or 'in' can now be used for node coordinates rather than being locked to 'm' or 'ft'.
• NEW: Analysis results for each load group are now available when solving (along with previously added load cases and envelope cases).
• NEW: New functions for splitting members. Right click a member and click "Split Members" for multiple options including: splitting by number of divisions, split by intersecting nodes, and split by percentage.
• NEW: Draw tool can now be used to snap directly to a member.
• NEW: New function that pulls in selected elements into input fields. For instance, when applying supports to nodes, you can highlight the nodes you want to add a support to, then click into the input box for "Node IDs" and they will be added.
• NEW: Integrated the new Materials Database. It can be accessed from Materials > Database button.
• NEW: 3D Pin Support icon (FFFRRR).
• NEW: Moving the graphical select box (CTRL + drag) in the reverse direction only selects elements that are entirely within the selection area.
• NEW: All "Continuous" members can be converted to split "Normal" members with one click within the "Advanced > Repair Model" toolbox.
• Fixed issue with the mass figure quoted in the Analysis Report Bill of Materials (BOM) of imperial plates.
• Default sign convention of bending moment diagrams has been reversed as it seems more conventional and common in this new way: For a horizontal member taking a UDL, the moment is a "U" shape with moment values below the horizontal as positive and values above the horizontal as negative.
• Increase default solver timeout to 10 minutes. Added more options for solver timeouts.
• Fix issue with where graphical select box (CTRL + drag) would select anything within itself even after being made smaller.
• Fixed issue with pen tool when drawing with reference nodes not on major axis.
• Changed the default number of evaluation points to 9 (an odd number) so that the middle point of each member is evaluated by default.
• Fixed issue with difficult datasheet scrollbars. Made the scrollbars easier to use by making them wider and lighter.

v3.0.2 - 06 August 2018

• NEW: Guided walkthrough to help first-time users. It can be accessed from Help > S3D Tour.
• Fixed issue with 3D Renderer screenshots printing the word "normal" all over the screen in Google Chrome.

v3.0.1 - 29 June 2018

• NEW: Improved progress bar when solving.
• NEW: Tapping ESC key unselects all.
• Fixed issues with default tool and snap getting stuck on.
• Fixed issue where plates could not be hidden.
• Fixed issue with right-clicking while holding the CTRL key.
• Fixed issue with clicking/selecting multiple plates.
• Fixed issue with not being able to unselect items that are highlighted.
• Fixed issue where mis-clicking an item loses current highlight selection.
• Fixed issues where it was not possibly to unselect items that were already selected.
• Fixed issue with some operations not working due to v3.0.0 release.

v3.0.0 - 20 June 2018

• NEW: Envelope cases (min, max and absolute) added to load combination results.
• NEW: Assign load cases from a design code to load groups. These are solved as primary load cases in the load combination results.
• NEW: Drawing tools, including Pen tool to draw members, Grab tool to move elements and additional features added to the default mouse tool.
• NEW: Snapping features that allow the user to track mouse along a global axis from a reference node. Can snap to member midpoint and connect members or add nodes while using pen tool.
• NEW: Grid function allows users to define a grid plane and add nodes to the intersections of the grid. Grids can be added to XZ, XY and YZ, by user defined dimensions.
• NEW: Smart functions: Intersect members, merge close nodes and repair overlapping members by highlighting and right clicking.
• NEW: Keyboard shortcuts for selection: Select All (Ctrl + A), Inverse selection (Ctrl + I)
• NEW: Hide function can be used to hide elements for larger structures. Simply highlight and right click the elements to hide them.
• Fixed a bug where spring supports would not be considered in the linear buckling analysis.
• Graphic upgrades: Highlight color changed to light blue, bug fixed with distribute load selection, member thickness reduced, text labels font reduced.

v2.3.1 - 17 May 2018

• NEW: Results Settings can be controlled to show limit states against a custom value or the strength of the material (yield or ultimate).
• NEW: The deflection limit can be toggled in the Displacement results. Click Displacement > Span to toggle this result.
• NEW: Minimum and Maximum Results are now displayed in the top-left corner for member results in wireframe mode.
• NEW: It is now possible to change the background color of the graphics to white in Settings > View.
• Adjusted the size of the local axes drawn on the members in wireframe mode. They should now be easier to view when zooming in.
• Fixed issue with DXF importer always detecting metric units of the structure.

v2.3.0 - February 2018

• NEW: Moved software to a new platform (platform.skyciv.com). Appearance of software UI may be slightly changed.
• NEW: Ability to control the of highlighting minimum/maximum values in the Analysis Report.
• Fixed a bug where BMD values would show the incorrect sign despite the graph direction being correct.

v2.2.6 - 15 November 2017

• NEW: Rigid Members. Select "Rigid Link" as the "Type" in the member properties.
• Fixed a plate stiffness issue when the model contained only plates and no members.
• Fixed a validation issue with the dropdown values of datasheets.

v2.2.5 - 03 November 2017

• Fixed issue where normal members would sometimes not be split by "Repair Model" function due to the introduction of Continuous Members.
• Fixed some plate orientation issues where local axes of the plate could not be found and hence the plate would not appear in the 3D renderer.
• Fixed an issue where toggling the visibility settings would take an extremely long time on large models.
• Fixed a positioning issue where the right-click context menu would not be visible around the edges of the screen.

v2.2.4 - 25 October 2017

• Fixed issue where plate results would overlap member results when toggled at the same time.
• You can now split a member within the right-click menu.
• Fixed some issues with the new Area Loads.

v2.2.3 - 12 October 2017

• Improved the importing of nodes and members from CSV. It will now automatically remove duplicate members and merge any duplicate nodes imported.
• Improved the importing of DXF Files. You can now specify a scaling factor so that the units of the DXF file can be accounted for during the import. It will now automatically remove duplicate members and merge any duplicate nodes imported.
• Fixed issue with right-click menu on Chrome.

v2.2.2 - 3 October 2017

• NEW: Area Loads (One-Way and Two-Way)
• NEW: Context (Right-Click) Menu. Right-Click items graphically to do operations to them.
• NEW: "Proportional Load Scale" visibility option. Enable/disable this option from the visibility settings to control whether you want to draw load magnitudes in proportion to each other.
• Improved the speed of Datasheet Entry (especially the members datasheet).
• Added Torsion and Torsion Stress member result toggle to 3D Renderer.
• Creating members with the mouse will not automatically use the most recent section ID used to create a member (rather than always using Section ID 1).
• Fixed various bugs with "Multi Edit" feature.

v2.2.1 - 11 September 2017

• NEW: SkyCiv Eurocode 3 Design Code integrated into S3D.
• NEW: K_y and K_z factors will automatically be set by the software in the design interface. Previously these factors were set at 1.0 by default.

v2.2.1 - 30 August 2017

• Fixed a bug in the Integrated Design UI where the members design table would not fit in the container on Internet Explorer.
• Fixed a bug where jumping from Model to Design UI would not show the "grey" loading overlay when solving before design was entered.
• Fixed a bug where the model data would sometimes fail to update after the design UI was opened.
• Fixed a bug in the Integrated Design UI where a change in the model would not alert the user that the design needed to be re-checked.
• Fixed bugs introduced in v2.2.0.

v2.2.0 - 23 August 2017

• NEW: Continuous Members. When creating a member you can specify it to be "Continuous" which means that it automatically connects to any nodes it passes through.
• NEW: Multi Edit function. Graphically select multiple things and then click the left menu to bulk-edit them. This allows you to edit multiple things in bulk.
• NEW: Repeat Operation (Advanced → Operations).
• NEW: Curved Members (Advanced → Operations).
• NEW: Spiral Members (Advanced → Operations).
• NEW: Unit Conversion Function between Metric and Imperial. Tick on "Convert Structure Data" in Settings when changing units and your model values will be converted.
• NEW: Models with spring supports can now be solved with non-linear analysis (previously only linear analysis allowed).
• NEW: "Auto Stabilize Model" setting (in Solver Settings) can be enabled to help models solve and converge (especially for non-linear analysis).
• NEW: "Auto Repair Model" setting (in Solver Settings) can be disabled to avoid automatically running "Repair Model" function before solving.
• NEW: Truss Hand Calculations available for 2D (XY-plane) structures made entirely of truss members. Click the red "Truss Hand Calcs" button after solving to get access.
• "Repair Model" tool has been overhauled. You can now choose which type of repairs to check and fix. More repairs have been added.
• Fixed bug where 3D Renderer screenshot would not work.

v2.1.1 - 6 July 2017

• NEW: Catenary Cable Analysis is now available. Select "Cable" when creating a member (Advanced UI) to use a cable.
• NEW: Hand calculations available for section calculations on a number of shapes.
• NEW: Changing the section can now be performed from within Section Builder.
• Fixed an issue in 3D Renderer where asymmetric sections may have been mirrored about its local y-axis. This was a visualization error rather than a solving error.
• Improvements and bug fixes for the Analysis Reports introduced in v2.1.0.
• Fixed issue where point loads and distributed loads tables were not being shown in the "Job Setup" section of the Analysis Reports.
• Non-linear convergence setting can now be set as low as 0.1%.

v2.1.0 - 1 June 2017

• NEW: Multiple Load Combinations can now be solved.
• NEW: Load Combinations for American, European, Canadian and Australian Design Codes can be auto-generated using the "Import" button within "Load Combos".
• NEW: Integrated Design Modules (AISC ASD and DNV are the first codes implemented).
• NEW: Advanced Non-Linear and P-Delta Analysis. You can now choose either Small or Finite Displacement Theory.
• NEW: Analysis Report. The reports have been overhauled. Report contents are much more customizable and there is now control for the precision of numbers/results. There is also control for selecting which load combinations to include in the report. Reports are also generated server-side rather than client side meaning that any device can now generate reports. You can also preview reports before downloading them.
• NEW: Plate results added to the analysis reports.
• NEW: Structures with plates can now be exported as STL files.
• NEW: The results of your most recent solves are stored with your files so that if you open a file, you have access to the results without having to solve again.
• NEW: If you solve your structure and then re-visit your model without making any changes then you do not need to re-solve the model to view the results again.
• NEW: Restore and manage previous versions of your files. Access this in "File" → "Manage Previous Versions".
• NEW: Timoshenko Beam Elements can now be solved by specifying shear areas for the section properties (found in Advanced fields).
• NEW: User Interface has changed to better suit the modelling, analysis and design phases. Buttons to perform actions such as solving are now in the top-right of screen.
• Improved solve time on large structures as reporting data is now only generated when requested rather than through every solve.
• Improved Non-Linear and P-Delta Analysis, including a different convergence specification (in Settings). Now based on relative error rather than absolute convergence error.
• Fixed a bug where the "Accurate Buckling Shape" setting which would sometimes fail in a buckling analysis.
• Fixed a bug involving Buckling Analysis and Plates.
• Fixed issue with the number precision on the single member graphs which may have caused strange looking graphs.
• Fixed an issue with spring supports that was introduced in v2.0.2.
• Fixed issue with the 3D renderer where the sky would randomly disappear.
• More improvements to the CSV Result Exporter.
• Various minor bug fixes.

v2.0.3 - 15 February 2017

• NEW: Integrated the new Documentation into the user interface for easy access.
• NEW: Added Plates to Bill of Materials in the analysis report.
• Various improvements to the CSV Result Exporter from v2.0.2.
• Fixed an issue with plates where erroneous results would be solved when adjacent plates were not aligned properly. The solver now attempts to automatically align plate normals if the user hasn't done so themselves.
• Fixed some issues with plate self-weights and pressures. If working in 'Imperial' units, plate pressures are now expected in 'ksf' units as it is a much more user-friendly unit than 'ksi'.
• Changed the TENSION/COMPRESSION color convention in the simplified axial diagram as many users were getting confused. Now RED (inward arrows) means the member is in compression while GREEN (outward arrows) is when the member is in tension.

v2.0.2 - 12 January 2017

• NEW: View table(s) of results and export to CSV (access in "Output" → "CSV Results") after solving.
• Various improvements to the datasheet including a bug fix where large sets of data (more than 1000 rows) could not be viewed. The datasheet will now have pages when the list becomes too large.
• You can now solve unmeshed plates if they have only 3 or 4 nodes.
• Section names now show up in S3D. Sections made up of database shapes only will use the database name. Others will use the height x width to name the section.
• Fixed various bugs after the 2.0.0 release.

v2.0.1 - 21 November 2016

• NEW: Added more mesh parameters to control structured quad plate meshes.
• Fixed issue with plates results scale.
• Fixed issues with some plate results and result units.
• Changed plate pressure unit for metric system to kPa (previously MPa). Old files created after v2.0.0 should automatically be adjusted for these changes.
• Fixed various bugs after the 2.0.0 release.

v2.0.0 - 18 November 2016

• NEW: Plates added. Model slabs, walls, tanks etc. Create plates by clicking between nodes or simply list nodes and then mesh them before solving. The plate solver uses shell elements which means there is both membrane (shell) and bending (plate) components.
• NEW: Pressures can be added to load plates either in local plate axes or the global axes.
• NEW: Member and Plate Offsets have been added. This allows you to create rigid connections and connect members/plates that do not meet at their centrelines. These offsets are local to the member/plate.
• NEW: Interactive and fully integrated 3D Renderer. The new 3D Renderer is more integrated in the software and can even be used to build and edit the model. Visibility settings have also been improved for the 3D Renderer (e.g. you can now make members/plates transparent and view nodes).
• NEW: Advanced User Interface (UI) switch has been added to many of the left menus to hide the complex fields that only get used by advanced users.
• NEW: Applying loads and supports to multiple nodes/members/plates can easily be achieved by listing them as comma separated or as ranges (e.g. 1-3 or 1,2,3 or all).
• NEW: Visibility Settings moved to the right view controller for easier and quicker access.
• NEW: Add distributed loads in the local member axes instead of just the global axes.
• NEW: Integrated the new SkyCiv Section Builder (SB) which supersedes the old section builder.
• NEW: Solver speed improved by around 600%.
• NEW: Faster buckling analysis, however this leads to a poorer buckling shape. Click 'Settings' → 'Accurate Buckling Shape' to solve a more accurate shape which will solve in the same time as previous versions.
• NEW: Graphical speed and responsiveness improved for larger structures.
• NEW: Improvements to the 'Repair Model' tool including a warning if a large structure has been detected due to entering incorrect units (e.g. entering node coordinates in millimetres when the software is expecting metres). Additionally a default section will be added if the user forgets to add one (useful for students who do not know the sections of their structure but just want reactions, shear, bending and axial results).
• NEW: 'Materials' have been separated from 'Sections' and must be defined outside of the section builder. However, these materials can be used within the section builder. This suits the new plates and composite sections. Old files created before v2.0.0 should automatically be adjusted for these changes.
• NEW: Files can now be auto-saved (activate this from your 'Account Settings' → 'User Settings' → 'File Manager Settings' → 'Autosave Files'.
• NEW: Warnings are now shown if you attempt to exit the software without saving your work first. Also a '*' symbol will be displayed next to your filename while you're working if you have unsaved changes.
• NEW: 'Clear All' button for datasheet can be used to fully clear a datasheet.
• Fixed bug in PDF and TXT reports where the min/max stresses were not being highlighted.
• Improvements to torsion stress and shear stress calculations (now based on shear area), as well as stress of asymmetric sections courtesy of the new SB.
• 'Settlements' moved from the left-menu to the top-menu under the 'Advanced' menu. The can also be accessed from with the 'Supports' left-menu.

v1.2.5 - 11 August 2016

• NEW: Customizable PDF Reporting with easy-to-use interface. Get the perfect layout for your reports! Click "Analysis Report" after solving your model.
• NEW: "Repair Model" function added to "Edit" menu. This replaces the old "Job Cleanup" function. It will automatically run on solve to check the model for any problems.
• The "Auto-zoom" tickbox in "Settings" has been removed. Models will only auto-zoom when something out-of-view changes.

v1.2.4 - 27 May 2016

• NEW: Perspective View Projection added (in Settings).
• Improved view controls (zoom, pan and rotate).
• Improved graphics speed.
• Improved scale for viewing loads/diagrams.
• Minor bug fixes.

v1.2.3 - 16 May 2016

• NEW: Spring Supports have been added.
• NEW: Support Settlements (Prescribed Nodal Displacements) are now possible.
• NEW: Section Legend.
• NEW: Section Names can now be attributed to sections for easy identification.
• NEW: Analyse the structure with Timoshenko or Euler-Bernoulli Elements.
• PDF Text Analysis Report has been improved with more section information added.
• Entity IDs now start at 1 rather than 0 by default.
• Fixed bug where the units of the material properties were not showing in the section builder.
• Minor bug fixes.

v1.2.2 - 02 May 2016

• NEW: Import DXF Files.
• NEW: Export Model to DXF as 2D Plans or 3D Lines.
• NEW: Export 3D Models (CAD) to STP.
• 3D Renderer opens within the UI rather than in a new window/tab.
• NEW: "Job Cleanup" Function in the top Edit menu.
• Minor bug fixes.

v1.2.1 - 22 April 2016

• NEW: P-Delta Non-Linear Analysis can now be performed.
• Improved buckling analysis including more accurate buckling shapes.
• NEW: Smoother results diagrams.
• Ability to move labels via click and drag.
• Minor bug fixes.

v1.2.0 - 01 April 2016

• NEW: New and Upgraded Graphics - more optimised and responsive especially for larger structures.
• NEW: Faster solving times.
• NEW: Mouse interaction with graphics for adding/editing.
• NEW: Keyboard shortcuts added.
• NEW: New analysis report with screenshots - now can save to PDF report.
• Fixed 3D renderer for Internet Explorer.
• Added screenshot function to 3D Renderer.
• NEW: Camera Roll which stores screenshots in your account.
• NEW: Files now have thumbnails.
• NEW: Combined Axial + Bending Stress computation for stress analysis.
• NEW: Stress calculations for rotated members, including angle and channel sections.
• Minor bug fixes.

v1.1.4 - 13 February 2016

• NEW: Now possible to 'Save' rather than just 'Save As'.
• Minor bug fixes.

v1.1.3 - 02 February 2016

• Fixed various datasheet bugs - using datasheet for sections would remove all section dimensions.
• NEW: Datasheet sorting function can now sort rows.
• Fixed "Auto Zoom" setting.
• Fixed 3D Renderer view button bugs.
• Minor bug fixes.

v1.1.2 - 17 December 2015

• Fixed Single Member function bug where some members would fail to show diagrams/results.
• Minor bug fixes.
• NEW: File Manager for saving and opening files.

v1.1.1 - 28 October 2015

• NEW: Linear buckling analysis can now be performed!
• NEW: Section Database. Section builder now can import standard sections from America, Australia, Europe and Britain.
• NEW: Channel Sections added.
• NEW: Ability to save sections.
• NEW: Files can be saved with "Job Details".
• Minor bug fixes.

v1.1.0 - 03 October 2015

• Datasheet entry for inputs is now off beta mode.
• NEW: Now possible to add loads along a member rather than only at a node.
• NEW: Self Weight, Load Groups and Load Combinations have been added.
• Fixed 3D render default section when imperial units selected.
• Fixed 3D render occasional rotation bug of members when a result selected.
• Bug fixes relating to incorrect node displacements shown for complex member end fixities/connections.
• All settings now save with files.

v1.0.3 - 24 June 2015

• NEW: Stress analysis has been added.
• NEW: 3D Render displays results with color scaling contours.
• Improved solving speeds.
• NEW: Datasheet entry now available for inputs (BETA).

v1.0.2 - 28 May 2015

• Upgraded user interface. All users have new navigation bars and side menu.
• Improved solve and processing speeds.
• Improved drawing and user interface speeds.

v1.0.1 - 15 May 2015

• NEW: Dynamic section builder is now available. Section Radii/Fillets also available.
• NEW: Import from CSV. Nodes and Members can now be imported from a CSV or text file.
• Structural 3D users may have had issues accessing SkyCiv Beam, Truss and Frame. This has now been fixed.
• Non "FFFFFF" Member End Fixities may not have been working properly in some cases. This has been rectified.

v1.0.0 - 12 May 2015

• Released.

6 June 2022

• NEW: SkyCiv Section Builder Analysis - Calculate cross-sectional stress results from combinations of applied forces and bending moments.
• NEW: View rendered cross-sectional stress results for any section.
• NEW: Customize and download a PDF report of the stress results.

1 June 2022

• Show the centroid in the position as determined by the transformed section method rather than the geometric centroid for composite material sections.

09 May 2022

• Improved snapping system to be able to snap to other points rather than just the grid. Also now previewing the coordinates and position of the snap point before releasing the mouse.
• Improved appearance of centroid point and principal axes.
• Added static axis reference system (z-y axis) in bottom-left of screen.
• Standalone version now has access to material database.

26 April 2022

• NEW: Export shapes to DXF file.
• NEW: Scaling factor when importing DXF files to account for different units systems.

17 November 2021

• NEW: Hat Sections added to Lysaght database for AS4600.

15 November 2021

• NEW: Calculate Monosymmetry constants.
• NEW: Upload your own custom section library via CSV.
• Improved appearance and usability of Database Shapes catalog.
• Improved appearance and usability of My Sections.

21 October 2021

• NEW: Calculate Shear Center and plot its point.

28 September 2021

• Use a more central and unified location for the checkbox that removes other shapes before adding new shapes.
• Added option to consider offsets of prismatic member segments for non-prismatic member sections.
• Bug fixes for using the transformed section method of composite material sections when cutouts involved.

22 September 2021

• NEW: Double Lipped Channel template shape.
• NEW: Difference Operation between two shapes.

15 September 2021

• NEW: Snap size to assist with translating/dragging shapes.
• NEW: Helper buttons in graphical window.
• NEW: Operations between two shapes (Union and Intersection).
• NEW: Australian FrameCAD Cold Formed Steel Sections.
• NEW: Tapers can taper to a larger size rather than just a smaller size.
• NEW: DXF importer can now handle polyline bulges.
• NEW: If a solid shape is enclosed by another solid (i.e. the parent of the original solid) then it will automatically cutout and fill the parent solid's material. This is useful in creating composite shapes quickly.
• Several other improvements to DXF importer.
• Improve the way overlapping shapes are detected for warning and error purposes.
• Improved styling of results/properties tables.
• Using the Enter key on dimension fields will update graphics.
• Added manufacture process dropdown to assist with design codes.

06 May 2021

• DXF importer can now import circle shapes.

21 April 2021

• NEW: Tee Rail section profile.
• Fixed issues with the guiding line of custom points and line shapes.

12 March 2021

• Point coordinates that show when hovering over a point are now clearer and easier to read.

02 February 2021

• Fix issue with AS4600 Lysaught Cold-Formed Lipped Z-shapes having an angled lip instead of a vertical lip.
• Lipped Z-shapes template now have a "Lip Angle" field that can be controlled by the user.
• Lipped Z-shapes are now adding a radius at the lip.

05 November 2020

• Lipped Channels have been modified to include the fillet/radius on the 4 outer-corners of the shape.

03 June 2020

• NEW: Plastic neutral axis result is now available.

07 April 2020

• NEW: Faster submission of database sections.

12 March 2020

• NEW: Added undo/redo buttons to top-menu via Edit menu which can also be accessed via keyboard shortcuts.

16 December 2019

• NEW: British Cold Formed Steel Database now available.

29 November 2019

• Solver timeout time is now indefinite but after 30 seconds the user will have the option to cancel the solve with a button if it is taking too much time.

12 September 2019

• NEW: Add new option for simplifying small arcs with straight lines when importing DXF files.
• Increase solver timeout to 2 minutes as some complex shapes may take longer to solve.

31 July 2019

• NEW: Add options when importing DXF files like point merging tolerance.
• Fixed annoying issue with custom shapes data tables cells not responding sometimes.
• Fixed issue where shape wouldn't be centered in reporting images.

25 July 2019

• NEW: Added Virtual Joists from Steel Joist Institute to the database.

02 July 2019

• NEW: Added Heavy Truss Eurotruss to the database.

12 June 2019

• NEW: Plastic Section Modulus results will be used from the database if they exist.
• Added Elastic Section modulus to top and bottom of section for both axes (Syt, Syb, Szt, Szb).
• Improved accuracy of elastic section modulus values when database values are in use.

29 May 2019

• NEW: Convert a "Points Shape" to a "Template Shape" in the points shape's "Operations" tab.
• NEW: Convert a "Template Shape" to a "Database Shape" in the template shape's "Operations" tab.

13 May 2019

• NEW: Shapes Selector in the bottom-left of screen. It's now possible to move shapes up/down the list which affects the way holes are operated. It's also now possible to clone and delete shapes using this box too.

10 April 2019

• NEW: Added Chinese Steel Database.
• Split Australian Steel database into 250 and 300 Grade whilst adding more 300 Grade sections since 250 grade is basically obsolete now.

02 April 2019

• Made improvements with importing DXF files. Now it will better support line and arc entities.

23 March 2019

• NEW: Added searchable field for database sections. This makes it quicker to find the database section you're looking for.

12 March 2019

• NEW: General Section Design (GSD) tool added in BETA stage development. Only concrete is available at the moment. Access it from the top menu: Design > Concrete.
• NEW: Plastic Section Modulus property is now calculated.
• NEW: Ability to change mesh size.
• NEW: Ability to show mesh after solving. Click "Show Mesh" button in results table.

04 March 2019

• Fixed issue with clicking and accessing dimension labels that were above shapes.

21 February 2019

• NEW: Added "Bulb Flat" template shape.
• NEW: Added British Bulb Flats to database (Database > British > Steel > Bulb Flats).
• NEW: Centroid results will be taken from database if results exist.

06 February 2019

• NEW: Translate entire shapes via the mouse (click + drag).
• NEW: Move points associated with "Points Shapes" and "Line Shapes" via the mouse (click + drag).
• NEW: Convert any shape to a "Points Shape" in the shape's "Operations" tab.
• Improve mirror switches in Operations tab.

09 January 2019

• NEW: The results table will now indicate which section properties came directly from the database when database shapes are added.

24 December 2018

• Improvement: DXF Import will now automatically move shapes to the origin for easier viewing.

10 December 2018

• NEW: Canadian CSSBI Database now available.
• NEW: Australian Cold Formed Steel (AS4600) Database now available.

v1.1.7 - 01 June 2018

• Improvement: Circular and Hollow Circular sections now use exact calculation methods instead of polygon approximations for area, Iz, Iy, and Izy.

v1.1.6 - 27 April 2018

• NEW: DXF files with holes can now be imported as a custom shape.

v1.1.5 - 6 December 2017

• Bug Fix: If materials did not start at id 1, the templates/catalogs would produce an error because they could not find the default material to initiate the shape. The default material is now the first defined material in your materials.

v1.1.4 - 4 December 2017

• NEW: National Design Specification(NDS) for Wood Construction catalog now available as a database.

v1.1.3 - 22 November 2017

• NEW: AISI Sections available! Tables I-1 to I-8 now available as a database.
• NEW: Channels with lips now available as a new template!
• NEW: Angles with lips now available as a new template!
• NEW: Z-Sections now available as a new template!
• NEW: Z-Sections with lips now available as a new template!
• NEW: Hat Sections now available as a new template!

v1.1.2 - 12 October 2017

• NEW: Added double channel section template.
• NEW: Added double channel sections (2C and 2MC Shapes) in the AISC Steel Database.

v1.1.1 - 23 August 2017

• NEW: Added HSS sections in the Eurocode Steel Database.
• Improved the appearance of dimension lines.

v1.1.0 - June 2017

• NEW: Hand Calculations: Available for Rectangular, Hollow Rectangular, Circular, Hollow Circular, I-Beam, T-Beam, Angle, Channel, and Triangular.
• Custom Shape "Clear" button to clear the datasheet.
• New default sections for Points Shape and Line Shape
• More feedback given to the user if they are not able to submit their points / line shape.
• The integrated version of Section Builder now allows the switching and editing of sections within Section Builder.
• General bug fixes

v1.0.3 - 13 February 2017

• NEW:Added the Canadian CISC database of shapes.

v1.0.2 - 13 January 2017

• NEW: Added new template shape - the Double Angle!
• NEW: Added the AISC database for Double Angles! Simply go to Database -> American -> AISC -> Double Angle
• Quick section property calculations for single circles and hollow circles.
• Section names now show up in S3D. Sections made up of database shapes only will use the database name. Others will use the height x width to name the section.
• Points shapes and Line shapes now check for duplicate points and remove them upon clicking submit.
• Renamed True/False to Yes/No in mirroring.
• Bug fix with section summary not showing in the single member report. Corrected and now shows.
• Bug fix with rendering of clockwise shapes. This is now checked for and reordered before being rendered.

v1.0.1 - 07 December 2016

• NEW: Added new template shape - the Triangular Hollow Section (THS)!
• NEW: Multi-Trusses (EuroTruss) have been added to the Database Library. Model deflection values for Ladder Trusses, Triangular Trusses, and Square Trusses.
• Rectangular Hollow Sections (RHS) are now parameterised by two thickness values. Easily model RHS's with unequal vertical and horizontal thicknesses. Backwards support for previously saved RHS's.
• The section property results are now displayed in a more readable format. Trailing zeros are removed, and scientific notation is used when results get too long.

v1.0.0 - 17 November 2016

• NEW: First release of SkyCiv Section Builder (SB) which now supersedes the Moment of Inertia (MoI) Calculator.
• NEW: Built up sections can be modeled by adding multiple shapes onto the design area.
• NEW: Custom shapes can be defined via points of a shape (points shape) or the path and thickness of a line (line shape).
• NEW: Supports DXF imports to define custom shapes created through CAD packages.
• NEW: Holes and cutouts can be specified.
• NEW: Operations including rotation, translation, and mirroring can be used to specify relative positioning.
• NEW: Individual shapes can be assigned individual materials creating composite sections.
• NEW: Dimension lines are drawn on the shape and can be edited directly.
• NEW: Added a screenshot function.
• NEW: More section properties are calculated like the torsion constant, warping constant, shear areas and section moduli.

20 December 2021

• NEW: New Zealand code (NZS 3404-1997) now available in standalone, beam and S3D.

01 November 2021

• Interaction factors (kyy, kyz, kzy, kzz) can now be manually adjusted for each member in Eurocode.

21 December 2020

• NEW: Download all individual member design reports to a ZIP file.

10 December 2020

• NEW: Indian code (IS 800-2007 LSM and IS 800-1984 WSM) now available in standalone, beam and S3D.

30 September 2020

• NEW: New input data for dealing with member bracing and continuous members.

21 October 2019

• NEW: British code (BS 5950-1:2000) now available in standalone, beam and S3D (beta-stage development).

26 July 2019

• NEW: Cold-formed steel codes now available for USA (AISI S100-12 ASD/LRFD) in standalone, beam and S3D (beta-stage development).

15 July 2019

• NEW: Entry table system for "Design Members" table in "Members" tab. This datasheet behaves similar to MS Excel which should make data-entry a little easier. It is possible to copy/paste via MS Excel also.

24 June 2019

• NEW: T-shapes and Angles now available for design in Eurocode.
• NEW: Grouped elements of S3D are now integrated with the design results. This makes for easier viewing of results for similar members when Groups are used in S3D.

22 May 2019

• NEW: Filter for results table which makes viewing results a little easier.
• NEW: Added "Worst LC" to results so that it's known which load combination is used for the calculations of each member.

17 May 2019

• NEW: T-shapes and Angles now available for design in CSA S16-14.

02 April 2019

• Adjusted NDS UI to resolve lagging UI issues with large tables when many members are in the structure.

18 March 2019

• NEW: Added AS1720 (Australian Timber) design code in beta-stage development.

24 October 2018

• NEW: The design module now supports saving/opening files with the file manager. It can be accessed via the "File" menu in the top bar.

18 October 2018

• NEW: NDS 2018 ASD/LRFD now available in Standalone, S3D and Beam.

24 September 2018

• NEW: The new Material Database has been integrated.

17 April 2018

• NEW: The braced length (Lb) can now be manually set in Integrated (Beam and S3D) mode via the members table.

9 April 2018

• NEW: Full design reports with all related design calculations are now available for AISC 360.
• NEW: Sections do not need to be added from the database to be designed. General sections can now be designed provided that they are a supported shape.

18 December 2017

• NEW: CSA S16-14 now available in Standalone, S3D and Beam. I-shape, HSS and channels can be designed in this first release.

1 November 2017

• NEW: AS 4100-1998 now available in Standalone, S3D and Beam. I-shape, HSS and channels can be designed in this first release.

25 October 2017

• NEW: Eurocode 3 check for Combined Buckling (Bending + Compression).

12 September 2017

• NEW: Eurocode 3 now available in Standalone, S3D and Beam. I-shape, HSS and channels can be designed in this first release.

6 July 2017

• NEW: AISC 360-10 LRFD provision now available in Standalone and S3D Integrated. All shapes can be designed (I-Shapes, T-Shapes, Rectangular HSS, Round HSS, Channels and Angles).

22 June 2017

• NEW: T shapes now available for design in AISC 360-10.

14 June 2017

• NEW: Channels and Angles now available for design in AISC 360-10.

6 June 2017

• Fixed issue with DNV Imperial units.
• Fixed issue where multiple DNV Lifting Nodes could not be specified in S3D Integrated.

1 June 2017

• NEW: Released the first SkyCiv Design Codes which can be used in standalone or integrated with analysis (SkyCiv S3D).
• NEW: AISC 360-10 available (only I-Shapes, Rectangular HSS, Round HSS at this stage).
• NEW: DNV 2-7.1 available.

06 February 2022

• NEW: Version 2 of Connection Design UI. Renderer updates immediately when making changes. UI is more friendly and easier to use overall.

06 March 2019

• Fixed an issue with R1 dimension controlling opposite (RE) dimension in some cases.
• Fixed some styling issues when used in standalone mode.
• Added helpful prompt for user to click "Render" button to utilize the right side.

November 2018

• NEW: Initial release of SkyCiv Connection design can be used as a standalone software or within SkyCiv Structural 3D (S3D).
• NEW: AISC 360-10 ASD/LRFD available for "W-to-W" and "HSS-to-W" shear and moment connections.

16 July 2020

• NEW: Added ACI318 2019 code.

20 November 2019

• NEW: Added "Optimize" button that will automatically design and optimize RC beams and columns.

15 July 2019

• NEW: Added AS 3600-2018 which replaces AS 3600-2009.

13 May 2019

• NEW: Added BS 8110-1997 for Standalone, SkyCiv Beam and SkyCiv S3D.

v3.1.6 - 15 Jun 2022

• NEW: Added Comisón Federal de Electricidad (CFE Viento) wind load calculations for Mexico.
• Updated wind pressure results for solar panels - AS/NZS 1170.2 (2021) and ASCE 7-16. Now shows the conditions to be satisfied on using the wind load calcs.
• Updated translation of Spanish wind parameters.
• Updated wind pressure results for monoslope roof - AS/NZS 1170.2 (2021). Now shows the downwind pressure (180 degrees).
• Refactored some codes.

v3.1.5 - 25 Apr 2022

• Added plate ids on node entry table for option to apply the wind/snow pressures as pressure loads on plates.

v3.1.4 - 23 Mar 2022

• NEW: Added AS/NZS 1170.2 ground solar panel wind load calculation for tilt angle greater than 30 degrees - as freestanding wall

v3.1.3 - 08 Mar 2022

• BETA:Added calculation of initial parameters for all 8 directions in selecting worst direction for ASCE 7, NSCP 2015, and AS/NZS 1170.2

v3.1.2 - 08 Feb 2022

• Updated AS/NZS 1170.3 Ground Snow load calculation - now based on site elevation

v3.1.1 - 25 Jan 2022

• NEW: French Territories wind speeds for NF EN 1991-1-4.

v3.1.0 - 24 Jan 2022

• NEW: Dedicated ASCE 7-16 rooftop and ground solar panel wind/snow load calculations.
• NEW: AS/NZS 1170.2 (2021) Rooftop and Ground solar panel wind/snow load calculations.
• NEW: EN 1991-1-4 signboard wind load calculations.
• NEW: EN 1991-1-4 pole wind load calculations.
• Some bug fixes on column wind load, autodetection of walls/roofs and generating API files from UI.

v3.0.0 - 09 Nov 2021

• NEW: Interactive selection of points in topography chart
• Updated AS/NZS 1170.2 wind load calculations to 2021 edition.

v2.9.3 - 14 Sep 2021

• NEW: Lee Multiplier parameter for AS/NZS 1170 (for New Zealand areas)
• NEW: Importing of API file functionality.

v2.9.2 - 10 Sep 2021

• NEW: Version 2.0 of Mobile Load Generator: Added Spain (CTE DB SE-AE), Philippines (NSCP 2015), Mexico (CFE), Uruguay (UNIT 50), Colombia (NSR 10), Argentina (CIRSOC 102) and Brazil (ABNT NBR 6123) wind speeds to Mobile Load Generator.

v2.9.1 - 08 Sep 2021

• NEW: API function for signboards + pole for EN 1991-1-4.

v2.9 - 12 Aug 2021

• BETA: Beta release of CTE-DB-SE Wind Load Calculations for Spain.
• Updated flat roof figures for monoslope and hip roof profile - ASCE 7-16.
• Updated map clicking info display - IS 875 and CTE DB SE.

v2.8.3 - 31 Jul 2021

• NEW: Fixed interpolation of cpe values for monopitch, duopitch, flat, and hip roof - EN 1991.

v2.8.2 - 06 Jul 2021

• Updated terrain categories for AS/NZS 1170.2.
• Fixed interchanged cpe values of EN 1991 open roof for blocked and empty under

v2.8.1 - 15 Jun 2021

• Added roof overhang pressure results for ASCE 7 and NSCP 2015.

v2.8.0 - 07 Jun 2021

• NEW: Added NSCP 2015 Wind Load Calculations for Philippines.
• NEW: Added API file button to generate API input json from the parameters.
• Updated default value for elevation table on Structure Tab.
• Updated wind and snow data on maps - added labels.
• Refactored some codes for optimized performance.

v2.7.0 - 01 Jun 2021

• NEW: Added IS 875-3 Wind Load Calculations for India.
• Updated some figures on ASCE 7 wind results.

v2.6.6 - 04 May 2021

• Some bug fixes on API parameters.
• Some bug fixes on UI parameters.

v2.6.5 - 29 Mar 2021

• Some bug fixes on API parameters.
• Updated wall and roof cladding area input - can now allow to have multiple areas separated by comma.

v2.6.4 - 12 Mar 2021

• NEW: Added wind speed map data for India - IS 875 - on mobile app.
• NEW: Added wind speed map data for Spain CTE DB SE-AE on map server (mobile and web app).

v2.6.3 - 23 Feb 2021

• NEW: Added calculation of dynamic factor Cd for EN 1991-1-4 wind load calculation.

v2.6.2 - 18 Jan 2021

• NEW: Added parapets wind load calculation for ASCE 7.
• NEW: Added rooftop solar panel wind load calculation for ASCE 7-16.

v2.6.1 - 17 Nov 2020

• NEW: Added wind load detailed calculation for ASCE 7 Freestanding Wall.

v2.6.0 - 16 Nov 2020

• NEW: Added snow load detailed calculation for EN 1991-1-3.

v2.5.9 - 10 Nov 2020

• NEW: Added snow load detailed calculation for AS/NZS 1170.3

v2.5.8 - 30 Oct 2020

• NEW: Added snow load detailed calculation for NBCC 2015
• Some bug fixes on snow load calculations API.

v2.5.7 - 21 Oct 2020

• NEW: Released mobile app for wind and snow load, and topo factors by address input.

v2.5.6 - 12 Oct 2020

• Modified distance from shoreline and distance inside town for BS EN 1991-1-4.
• Fixed API bug on snow load calculations.

v2.5.5 - 09 Oct 2020

• Modified Wind Direction dropdown to Wind Source Direction to be consistent with the upwind direction for AS/NZS 1170.2 and EN 1991-1-4.
• Fixed some bugs on input for AS/NZS 1170.2 calcs.

v2.5.4 - 07 Oct 2020

• NEW: Added automatic calculation of approximate distance from shoreline based on wind direction for BS EN 1991-1-4

v2.5.3 - 05 Oct 2020

• NEW: Added snow load detailed calculation for ASCE 7
• Updated wind load parameters for BS EN 1991-1-4
• Updated wind load detailed calculation for BS EN 1991-1-4

v2.5.2 - 25 Sep 2020

• NEW: Integrated wind load detailed calculation for EN 1991-1-4

v2.5.1 - 10 Sep 2020

• NEW: Integrated wind load detailed calculation for NBCC 2015

v2.5.0 - 07 Sep 2020

• NEW: Added Freestanding Wall wind calculations for ASCE 7
• NEW: Added Truss Tower wind calculations for ASCE 7
• NEW: Added 3D renderer to visualize structure model
• Some bug fixes on wind reporting and server calculations

v2.4.0 - 30 Jul 2020

• Some bug fixes on wind reporting.

v2.3.0 - 10 Jul 2020

• NEW: Integrated wind load detailed calculation for AS/NZS 1170.2
• Fixed wind load results for AS/NZS 1170.2

v2.2.0 - 26 Jun 2020

• NEW: Added metric results for ASCE 7-16
• NEW: Integrated wind load detailed calculation for ASCE 7-16
• Added monopitch and duopitch for sub-alpine AS/NZS 1170 snow result

v2.1.0 - 29 May 2020

• Fixed save/load function to include snow loads input
• Added visible map data for wind and snow
• Added restrictions for free and standalone tool

v2.0.0 - 20 May 2020

• NEW: Released Snow Load calculations
• Some bug fixes

v1.8.0 - 18 May 2020

• Redesigned building tab for better UI
• Updated wind speed calculation for faster loading. Wind speeds are now from server. Removed geojson files which are slowing the ui loading.
• Added snow load values on site tab.
• Some bug fixes on wind load calcs especially wind speed values for asce 7-10 and asce7-16.
• Bug fix info-window content displayed on map.
• Updated cladding results figure for asce7.
• Added snow load calculations for all reference codes but is disabled for now - QC testing ongoing.

v1.7.1 - 19 December 2019

• Enclosed building parameters for AS/NZS 1170.2 were hidden when structure type selected is for open building/free roof.
• Fixed validation function for AS/NZS 1170.2 open building/free roof building data for pitched, troughed, and monoslope roof.
• Renamed AS/NZS 1170.2 Open Building to AS/NZS 1170.2 Free Roof.
• Fixed bug on loading sls-uls parameters from load file for AS/NZS 1170.
• Fixed bug on validation of site-tab input parameters for EN 1991.

v1.7.0 - 12 November 2019

• Improved New Zealand geojson - compressed - for faster loading time.
• Added upgrade prompt for free standalone when save/load button is clicked.
• Fixed unit conversion in results and refactored some code.
• Updated results and figures for EN 1991.
• Some bug fixes for EN 1991 and ASCE 7 results.

v1.6.0 - 12 November 2019

• NEW: Added save/load functions for file management.

v1.5.0 - 07 November 2019

• Some bug fixes on UI and calculations - cladding pressures for ASCE 7 and NBCC 2015.
• Updated wind figures with better appearance.

v1.4.0 - 05 October 2019

• NEW: Added season and direction factor for France EN 1991-1-4.
• NEW: Added wind speed map for Finland SFS EN 1991-1-4.
• NEW: Added wind speed map for Czechia (Czech Republic) CSN EN 1991-1-4.
• NEW: Added auto-detection of nodes for windward, leeward, roof, sidewall surfaces in S3D.
• Some bug fixes on UI and calculations.
• Fixed Column Wind Load for S3D integration.

v1.3.0 - 06 August 2019

• NEW: Added ASCE 7-16 wind load calculations.
• NEW: Added Elevation chart for calculating topography factor for ASCE 7-10, ASCE 7-16, AS/NZS 1170.2, NBCC 2015 and orography factor for EN 1991-1-4.
• NEW: Added reporting functionality to generate PDF wind reports.
• Separated wind pressure calculation for main wind force resisting system and components and cladding for ASCE 7-10, ASCE 7-16, AS/NZS 1170.2, and NBCC 2015.
• Updated the AS/NZS 1170.2 wind map - adding distance of site location from coastline if location is on Australia main island to aid the user what wind region to adopt. Map regions can now be clicked to display the corresponding wind region. Geojson files downloaded on the front end were compressed for faster return of wind region/wind speed results.
• Improved the results tab - building image and table - for better visualization of design pressures.
• NEW: Added standard cladding pressure results for area values of 1, 10, and 100 sq.ft. (ASCE 7-10 and ASCE 7-16).
• Fixed input validation and added alert message to display error.
• Some bug fixes on UI and calculations.

v1.2.0 - 02 April 2019

• NEW: Added Canadian Wind Speed Map.
• NEW: Added NBCC 2015 Wind Pressure calculations
• NEW: Added new Ultimate Limit State (ULS) and Serviceability Limit State (SLS) wind speeds for AS1170.
• Separated result wind speeds in blue box for easier interpretation of results

v1.1.0 - 22 March 2019

• NEW: Added UK and Ireland Wind Speed Maps
• NEW: Added NZ Wind Speed Map
• NEW: Added Belgium, Poland, Slovakia, Slovenia, Luxembourg wind speed maps
• NEW: New functionality to move pin and recalculate wind speeds.

v1.0.0 - 15 January 2019

• First release of SkyCiv Wind Load software as calculator and standalone software
• Released wind speed map for United States, Australia, Italy, France, Germany, Netherlands, Greece
• Calculates design pressures based on ASCE 7-10, EN 1991 AS 1170 design standards

v1.2.0 - 17 August 2020

• NEW: Added AS3600-2018 for Isolated and Combined Foundations.
• NEW: Added AS3600-2009 for Pile Foundations.
• Lots of bug fixes.

v1.1.0 - 16 January 2020

• NEW: Added design module for combined foundation
• NEW: Added custom load feature
• NEW: Added filter graphics functionality
• NEW: Added shear and moment diagram for combined foundation
• Improved geometrical and analytical diagrams.
• Improved reinforcement tab for isolated foundation.
• More detailed calculation and improved reporting.

v1.0.0 - 22 August 2019

• First release of SkyCiv Foundation Design
• Released design modules for isolated and piles foundation
• Checks foundation design based on ACI 318-2014, AS 3600-2018, AS 2159-2009 design standards

07 June 2022

• NEW: Added shear key to improve sliding capacity.

12 May 2022

• NEW: Layered soil is now supported for active and passive soil.

13 April 2022

• NEW: Multiple loads and different types of loads (uniform, patch, and line) on the active soil side are now supported.

11 January 2022

• NEW: Tapered stem.
• NEW: Passive soil contribution.
• NEW: Inclined backfill.

November 2021

• First release of this standalone design module.

19 April 2022

• NEW: Australian code (AS3600) now supported.

December 2021

• First release of this design module which is integrated with S3D only. Eurocode and ACI supported.

23 February 2022

• NEW: S3D.export.model.stl function, to export .STL files.
• NEW: Added ability to get thumbnail image using S3D.model.getScreenshot.

20 December 2021

• NEW: S3D.SB.importDXF function, to import DXF shapes into SB.

09 December 2021

• NEW: S3D.model.getAreaLoads function which is useful for translating Area Loads to Distributed Loads.
• Improve error messaging when database section is added which does not exist in the SkyCiv Library.

v3.0.1 - 22 November 2020

• NEW: Load custom sections direct from your saved sections using `load_custom` key
• Added options key to take in global API settings, including `validate_input` and `response_data_only`
• Added more keys to S3D.model.solve to filter what results are returned. `filter` key now takes in "none" (default), "envelope", "summary", "load_case", "load_group", "load_combo", "envelope_abs_max"
• Member offsets can now be specified as either local or global using the s3d_model settings key: `member_offsets_axis`

v3.0 - 20 October 2020

Release of new SkyCiv API v3, with a new file format and additional analysis, design, rendering and reporting functionality. Features include:

• S3D.model.set - to build models
• S3D.file.save - save models to cloud storage
• S3D.model.solve - to perform FEM analysis
• S3D.member_design.check - to perform member design checks from US, AU, EN, BS, CSA design codes
• loads.getLoads - generate wind/snow loads, topography factors and more using a site location
• Click here for full list of API features

Other features

• Load sections directly from library
• Full 3D Renderer available to display your model (free to use)
• Mesh plates
• Get SkyCiv Section library list
• Take screenshot of model

v2.0.2.0 - 24 February 2022

• NEW: Added the ability to internally split the Distributed loads for sub members.

v2.0.1.9 - 01 February 2022

• NEW: Custom Timeout Control has been added in the Settings Dialog for Analysis and Design.
• FIXED: Issues related to Wall Opening for opening due to Sketches and Windows
• FIXED: Issue related to Material Density in the format with comma instead of dots coming from Revit
• Settings Dialog UI changes for Realignment

v2.0.1.8 - 19 November 2021

• FIXED: Issue related to Member Rotation due to different local axis between Revit and S3D
• FIXED: Issue related to Timeout due to Incorrect Number of nodes in the Plates

v2.0.1.7 - 13 November 2021

• FIXED: Issue related to Export not working due to mismatch in API DLL

17 November 2021

• NEW: Support for Revit to SkyCiv Import for Version 2022

v2.0.1.6 - 11 November 2021

• Issue related to the Section Dimensions not exporting correctly for Imperial

v2.0.1.4 - 06 August 2021

• NEW: Support for Revit 2022

v2.0.1.3 - 04 Jun 2021

• Issue related to the Family Name having inch symbol (double quote) in the name

v2.0.1.2 - 24 Jan 2021

• NEW: Visualization of the Skeleton Structures in Analysis
• NEW: Support for the Design of structures with Tabular and Visual Results
• NEW: Progress Bar for the long running processes
• NEW: Integration with the API module
• Display problem in case of Errors while Analysis

v2.0.1.1 - 22 Sept 2020

• NEW: UI Related Enhancements
• NEW: Integration with S3D for Analysis
• NEW: Display of the Analysis Results in the Tabular Form
• NEW: Ability to download the results of Tabular Analysis Results
• NEW: Display of the Analysis Results on the Analytical Model with Revit's Analysis Visualization Framework
• NEW: Display of the Node, Member and Plate Numbers after the analysis on the 3D View.
• Duplicates Nodes Coming in output json
• Plates not getting generated Properly
• Multiples holes not getting generated properly
• Support for the Multiple Floors was not present
• Plate Pressures not getting transformed properly
• Problem with Point Load and moment is fixed
• Problem with Material classes is fixed
• User Defined Load Cases were NOT getting declared in S3D.
• Distributed loads not getting generated in S3D.
• Moments in any directions at a NODE or ON MEMBER were not getting reflected in S3D even if we define it in REVIT
• Area loads defined in Revit but unable to identify them in S3D model for the respective elements
• Roller support and Pinned support were not reflected in S3D even if we declare them in REVIT.
• Load cases were NOT getting reflected under the LG in S3D.
• Self-weight not appearing for any of the model.
• Link to S3D is fixed for Get API key

v1.2.0 - 23 November 2020

• Fix issues with downloading reports and other files from S3D.
• Confirm whether to stay/leave S3D when trying to navigate elsewhere on the platform.