3D Shapes
Corrected a problem that occasionally led to openings producing incorrect geometry in walls, floors, roofs, etc.

API
Fixed an issue in ReferenceIntersector.FindNearest that had caused a 40% degradation in performance when using this API function.
Improved API stability when calling CreateReferenceInLink with a reference obtained from StableRepresentation.
Fixed an issue where Revit API Opening BoundaryCurves returned unexpected symbolic lines.
Improved the API function GeometryElement.IsElementGeometry to properly return false on geometry created as a copy of element geometry.

Align
Fixed the issue in which preferred wall reference cannot be preserved when using the align tool.

Alignments
Fixed the issue where bridge alignment cannot be generated after importing the bridge model from InfraWorks to Revit when the alignment started with a large station value.

Analytical Duct/Pipe Connections
Fixed an issue that allowed analytical pipe connections outside of a section box to display in the section view.

Annotation
Corrected an issue that would cause the displacement of a column to be still present although the column would be deleted when top and bottom would coincide.

Assembly
Resolved the issue that the floor cannot be deleted since there is a corrupted assembly element in the Revit model.
Fixed the issue that assembly views are incorrectly flipped upside down when the assembly's Z-axis is set at 180 degrees.
Fixed the issue that material area or volume calculation would be improperly changed when adding curtain panels into a current assembly.

Background Processes
Fixed an issue where background process information would appear transparent and difficult to read.
Prevented an unnecessary error from displaying when exiting Revit too quickly after startup.
Improved color fill calculation performance when calculating multiple views.
Improved the background process panel by making error messages opaque.

Beam System
Fixed an issue in which the tag was not updated properly when placed over a beam system element.

Beams and Braces
Fixed an issue in which a group that contained an angle section beam couldn't be copied/pasted to another model.

Color Fill
Fixed an issue that the Apply button in the Edit Color Scheme dialog is in an incorrect default state.

Content
Corrected the revision schedule used in the title block family of US imperial structural template.
Corrected Ø as prefix for pipe size, round duct size and conduit size for templates in French library.
Reversed the front and back view name in two Generic Model Adaptive .rft files.
Updated the parameter name "Max #1 Pole Breakers" to "Max Number of Single Pole Breakers" in some Chinese family text files.

Content Browser
Refined appearance of highlighted list elements in Load Autodesk Family. Fixed issue that could prevent tooltip from appearing.
Improved text legibility of tooltip in Load Autodesk Family for families with long names.
Fixed issue in Load Autodesk Family that could prevent keyboard shortcuts from working.
Eliminated temporary folder created by Load Autodesk Family.

Copy/Monitor
Improved stability when using Copy/Monitor and copying floors into a model that does not contain any appropriate levels to use as a host.
Provided an error message when using Copy/Monitor for a lighting fixture which was created from a line based generic model family because it is not supported.

Curtain System
Fixed an issue where nested shared families within curtain walls did not respond properly to phase filtering.
Added 'Empty System Panel' type for rac_basic_sample_project.rvt and Commercial_Sample_Project.rvt.
Improved the horizontal spacing of grid lines on newly created slanted curtain walls.
Improved the stability of Revit API Wall.Create() when the previous wall is a curtain wall created from the ribbon.
Improved stability when working with curtain grid.

Dependent Views
Fixed an issue where a dependent section could have a different view type than its primary section.
Fixed an issue that could occur when copying detail elements between dependent views.
Fixed the issue that the Filled or Masking Region tool does not work in the view with a dependent view after temporarily applying and then restoring the view properties.
Fixed an issue where dependent sections and elevations could differ in appearance from their primary view due to scope boxes being assigned to the dependent.

Design Option
Improved stability while changing active design option.
Fixed an issue where Design Options commands were not available in the Keyboard Shortcuts dialog in Revit LT.
Fixed an error which prevented adding a group to design options.
Fixed an issue when a detail group created in a design option could not be edited.

Dimensions
Improved stability when toggling the dimension lock.
Resolved the issue that the spot elevation shows ??? using top and bottom elevation in floor plane.
Fixed an issue that API-created angular dimensions may not work with parameters.

DirectShape Elements
Fixed a "Serious error" involving a Family containing an Extrusion and a DirectShape.
Updated the conditions under which geometry imported with ShapeImporter and DirectShape APIs is considered invalid, thereby allowing more geometry to be imported.

Duct/Pipe Display
Improved pipe single line rise drop symbol display when line type is not continuous.

Dynamo for Revit
Fixed an issue that 2 Dynamo nodes are set to wrong category if Revit language changed.
Fixed an issue that some shared parameters might be missing when they are pushed from Dynamo into Revit model.
Fixed an issue in Dynamo for Revit in which the Views category cannot be obtained by node “CategoryByName” in the non-English version.

Edit
Fixed the issue in which the incorrect icon displays when hovering on the Mirror-Draw Axis command.

Electrical Cable Tray and Conduit
Fixed an issue that conduit and cable tray are not cropped by section box in coarse and medium view scale.

Electrical Circuits
Fixed an issue that caused a circuit's voltage to become 0V.

Electrical Panel Schedule
Fixed an issue that the Distribution System Naming properties on a panel schedule did not update dynamically after renaming it.

Electrical Settings
Fixed an issue with updating values in the Building/Space Type Settings dialog.

Energy Model
Fixed an issue that incorrectly created a wall analytical surface for an empty curtain panel.
Fixed an issue that prevented the creation of an analytical space where a door is added to a curtain panel that is set as a wall element.
Fixed an issue that caused small analytical surfaces to lose corner points.
Fixed an issue where the API EnergyAnalysisSpace.Area returns 0 value for spaces generated from building elements.
Improved the text in the undo history when the energy analytical model is created or deleted.
Fixed an issue that caused openings to be classified as underground when exported to gbXML.
Fixed a problem that led to missing windows in the energy model of a building with stacked walls.
Fixed an issue of missing energy space when the door is attached to the embedded curtain wall.
Fixed an issue that caused perimeter zoning to fail for models containing mostly curtain walls.
Fixed an issue that caused incorrect Analytical Spaces when using masses that are stacked together.
Fixed an issue that created an air surface in the same location as a window surface when a curtain wall is modeled in a wall opening.
Fixed an issue that prevented the creation of an analytical space where a window is modeled adjacent to a curtain wall.

Export DWG/DXF
Fixed an internal memory management issue that would produce empty an empty file when exporting from large data sets.
Fixed an issue where some lines would be missing from the resulting DWG, when exporting arcs projected to a section view.
Fixed an issue where a hatch pattern with background was not exported, unless the foreground pattern was visible.
Fixed an issue where exporting a view with vertical view breaks and shared coordinates to DWG would shift elements from their expected positions.
Fixed an issue where exporting a dimension with a different pattern set for the centerline would produce a continuous extension line in the resulting DWG.
Fixed an issue where a DWG file linked in a Revit model and placed on a sheet would get clipped incorrectly when exporting the sheet to DWG.
Fixed an issue where mapping a Revit pattern to a custom DWG pattern would produce an incorrectly rotated hatch when exporting to DWG.

Export ODBC
Ensured the proper error is thrown when using an unsupported ODBC driver.

Export PDF
Fixed the issue where an unexpected error message displays when switching sets in the View Sheet Set dialog.
Fix the bug that non-visible column schedule sector are exported when using PDF export.
Improved the error message when transferring PDF export setting to a model where there's an existing setting with a duplicate name.
Fixed a style issue in publish setting UI button.
Fixed an issue in which the view name is lost in the preview panel of the View Sheet Set dialog after switching sets and reopening the preview dialog.
Improved stability when trying to hide/unhide a view sheet set in a model containing thousands of sheets.
Fixed an issue where the default file name is missing after deleting export setup in the PDF Export dialog.
Resolved an issue in which an incorrect file name is displayed in the PDF Export dialog.

Family
Improved stability of Revit on file save.
Improved the stability of the pick new host command.
Improved stability when aborting placement of elements.
Fixed issue that could occur when Load Autodesk Family is opened under certain circumstances.
Fixed an issue that could occur when editing or placing a window.
Fixed an issue that caused pinned host elements to move when a nested element such as rebar was copied.
Improved portability of families with IES data set using the API property Autodesk.Revit.DB.Lighting.PhotometricWebLightDistribution. When these families are moved, the IES data is now retained.
Fixed an issue that could occur when exiting Load Autodesk Family while a family was loading.
Fixed an issue with the Purge Unused command to delete more elements that were previously not able to be deleted.
Fixed an issue that prevented the display of the preview of a family type.
Fixed an issue where nested shared families within curtain walls did not respond properly to phase filtering.
Fixed an issue where, under certain conditions, a shared parameter is reset to zero when a family is reloaded into a model.
Fixed an issue where an in-place void complicated the wall joins of a curved wall.
Fixed an issue that caused parameter names to be merged when they differed by capitalization.

Family Editor
Fixed an issue that could occur when finishing a blend sketch in the family editor.

File Open/Save
Improved the stability when saving a cloud model which contains embedded macros if Revit Macro IDE is opened.
Fixed transparent display issue in the file navigation dropdown list in Revit with Windows 11.

Filled or Masking Region
Fixed an issue where 'Not Masking' filled regions, overridden to solid fill, would mask.

Flex Duct
Fixed an issue that prevented a rectangular flex duct from displaying in a 3D view using Coarse display level.

Floor
Fixed an issue so that a Revit API user would be notified when deleting curve loops from an opening.
Fixed an issue so that a floor with variable thickness will show hatching when cut in the floor plan.

FormIt Converter
Improved the error message when failing to import a FormIt model which only had Line Meshes.

Foundation
Fixed an issue where the appearance of a wall foundation would not update when changing the properties of the material assigned to it.
Fixed an issue where the actual width of a wall foundation did not match the value of the width parameter for a given type.

Graphics
Fixed a Performance issue where there was a 3 second wait drawing each segment of Detail Line in a very large dataset.
Improved stability in views with complex geometry overridden by view filters.
Eliminated a significant slowdown in view operations for in-place walls based on spline curves (and similar elements).
Fixed an issue with sort order of nested detail items so the display remains correct when the host detail family instance is mirrored or copied.
Fixed an issue where placed raster images with transparency in the source file did not display correctly when rotated.
Fixed an issue where nested masking region did not mask hidden lines on screen and did not match print.
Fixed a performance issue where the view would hang when zooming in on a beam with many 3D rebar elements with a transparent by object override.
Improved stability when selecting large numbers of elements in a 3D view.
Fixed an issue where hidden lines are not respecting visibility/graphics detail level override in structural discipline.
Eliminated spurious silhouette curves that occurred in certain cases for complex surfaces.
Fixed an issue where text would display as solid filled boxes in pinned DWG links and imports when selected.

Grids
Fixed grid head graphics in 3D views so that text is now correctly drawn behind model geometry.

Groups
Fixed an issue where new elements drawn during group edit mode would incorrectly be assigned to the active workset for that group instance only, instead of being properly aligned to the group instance workset.
Improved stability when copying a group to the clipboard which contains a room or area and attempting to paste the group into a new model.
Fixed issue that resulted in annotation tags not re-sizing when view scale was changed.

Help
Improved API documentation covering types of worksharing.

IFC
Fixed units of Temperature properties exported to IFC.
Added support for fillets in IfcRoundedRectanguleProfileDef, including when the filleting creates a circular profile.
Exported valid IFC files when the Revit model contained family types with invalid characters in their name.
Allowed setting the IFC GUID parameter correctly when an element in a group is copied.
Improved export of common property sets when creating IFC4 Reference View files.
Improved export of walls that are cut by floors to IFC.
Fixed export of thermal transmittance parameters to IFC.
Corrected the export of some proxy elements to IFC 2x3 with a user defined type. Corrected the export of some elements split into parts to IFC.
Improved export of openings in slanted floors to IFC.
Fixed export of door operation information to IFC4.
Improved localization of some IFC export dialog options.
Corrected export of Revit walls with openings and connections to IFC when the wall is set to export as an IfcSite (or other non-IfcElement subtype).
Corrected the export of some roofs modified by sub-elements to IFC4 using metric units.
Restored Exchange Requirements drop down in IFC Export modify config for IFC2x3.
Improved the export of openings in some floors to IFC.
Improved export of walls with connected openings to IFC.
Improved support for IFC4 Reference View geometries with IfcIndexedPolygonalFaces with arc segments.
Improved localization of the current selected setup dropdown in the IFC export dialog box.
Improved export of some walls that have different join conditions at the top and bottom of the wall.
Improved IFC2x3 export of some structural columns.
Improved export of some clipped structural beams to IFC.
Corrected units for some properties of rooms and spaces in schedules exported to IFC as property sets.
Fixed material export in cases when body exported as Brep.
Improved linking of IFC files that contain entities with tiny axes.
Fixed the center line location of beams with trimmed ends exported to IFC 2x3.
Added support for Sound power units on IFC export.
Improved the display of parts in linked IFC files where the top-level component had openings.
Improved linking of IFC files that contained swept disk solids far from the origin.
Improved export of some fabrications elements to IFC4 Reference View.
Improved localization of certain IFC dialogs.
Removed truncated strings from some localized IFC dialogs.
Corrected the export of several MEP properties to IFC.
Improved linking in IFC files with geometry created by cutting the geometry with slightly misaligned voids.
Improved export of some walls to IFC that have different geometric representations in different phases.
Improved support for some revolved area solids when opening some IFC files.
Improved linking of IFC files very far from the origin.
Supported the export of some time based units to IFC.
Improved reloading of IFC links when mapped items were updated.
Improved export of some walls to IFC whose end is cut by an in-place void.
Improved exporting of color for some MEP elements to IFC whose color is defined by their containing system.
Improved support for linking some IFC files with syntax errors.
Allowed linking of some IFC files with footprint representations.
Improved the ability to create holes in some linked IFC data when the base solid had some gaps in its boundary and improved visibility control for some linked IFC spaces defined by meshes.
Fixed the classification of structural columns converted into in-place families when opening IFC files.
Improved performance when exporting elements with complex geometries to IFC4 Reference View.
Improved the location of IFC content when linking in files with multiple sites or sites far from the origin.
Fixed an issue that could cause unexpected hiding of some imported elements.
Fixed rotation of linked IFC files brought into Revit host files with a rotated project north.
Significantly improved performance linking in IFC files containing many type entities with duplicate names.
Corrected placement of rebars exported to IFC as proxy elements (IfcBuildingElementProxy).
Improved IFC export of some slanted walls.
Improved linking of IFC files with incorrectly closed profiles curves for extruded data.
Corrected GUIDs when exporting to IFC if an invalid value was set by the user.
Stabilized GUID on IFC export of some doors hosted in in-place walls.
Improved linking of IFC files containing faceted geometric data that is slightly non-planar according to Revit.
Fixed the IFC export of some files containing zone classification codes as shared parameters in rooms.
Allowed the creation of custom property sets for some topological surfaces exported to IFC.
Improved export of slanted walls to IFC.
Improved linking of some IFC files created by Rhinoceros 3D.
Fixed the ability to export IFC files when Revit is installed to a path that includes special characters.
Improved the creation of openings for some walls export to IFC with the option to split walls by level selected.
Improved the positioning of nested openings inside of door and window families when exporting to IFC.
Improved support for opening some IFC files that contain geometry with non-uniform scaling.
Allowed linking of IFC files where the site's local placement is relative to the building, instead of the reverse, which is standard.
Included wall in linking of IFC walls when they contained excluded doors and windows.
Fixed the export to IFC of some slanted extruded geometry.
Fixed an issue where floors with split faces didn't include material information when exporting to IFC.
Corrected the value of some element-based parameters on export to IFC to reflect the value seen in the Properties palette for the element.
Improved the export of walls with extensions cut by wall sweeps to IFC.
Improved relative positioning of exported IFC files when using the "Export Linked Files as Separate IFCs" option.
Improved the export of some structural foundation slabs with sketch openings to IFC.
Improved export of walls containing adjacent openings to IFC.

Import from Inventor
Fixed an issue where some objects created by Inventor are misplaced.

Import/Export Image
Fixed an issue where the API no longer allowed the creation of image views based on linked images so both linked and imported images can be used, as in past releases.
Fixed an issue where the API would demand exclusive read access to an image file while importing.

Import/Export gbXML
Fixed an issue that caused a gbXML error leading to a failure when generating an Insight analysis if the Windows OS Region Format uses a comma as the decimal symbol.
Improved the gbXML export of some models with linked files when true north is rotated.
Fixed an issue where the GUID in the CADModelId element in gbXML was incorrect, which prevented an import of the gbXML with results.

Import/Export/Link DWF
Fixed an issue in which an unexpected object shows in the model tree for exported 3D dwfx.

Import/Export/Link SAT/SKP
Improved the ability to import SAT files into Revit families.
Prevented a crash when importing 3D geometry into an annotation family by disallowing the operation.
Fixed an issue where linking Rhino or SAT files with user-chosen units would come in at the wrong scale unless the original model unit was feet.
Improved stability of solid imports to allow SAT models with elliptical edges to import more reliably as solids rather than as meshes.
Improved meshing behavior during import of ill-defined geometries.

Import/Link DWG/DXF/DGN
Fixed an issue in which the file path in the error dialog was missing when Revit could not link or import a CAD file.
Fixed an issue that Preserve Graphic Overrides didn't work for some types of CAD formats during reloading.
Corrected the thickness of lines inside imported or linked CAD files inside of annotation families.
Improved performance of Import/Link DWG/DGN by up to 90,000% for the case when there is a large number of Line Patterns present in both the target model and the imported CAD file.

Import/Link Rhino
Improved the importing of some Rhino files.

In Place Families
Fixed issue that could occur when pasting lines from floor sketch into in-place component sweep sketch.
Fixed issue where the Finish/Cancel button was missing after editing a component inside an in-place family.

Install
Corrected the display of the Metric-Systems Template in the New Project dialog.

Join Geometry
Fixed an issue that floor color would disappear when joined with another floor at its bottom.

Keyboard Shortcuts
Fixed an issue when invoking a Revit add-in command through the keyboard shortcut.

Keynoting
Fixed an issue where a keynote legend set to filter by sheet could fail to include all expected elements after the view crop region is adjusted.

Levels
Fixed an API issue where the creation of a level could occur prior to the element ID being assigned, which could trigger an invalidElementId error.

Link RVT Files
Fixed an issue when a deleted link is reloaded, the name of the link keeps the same case.
Fixed the issue that the stair path won't be rotated when rotating the stair in the linked file.
Fixed an issue when linking a Revit cloud model, where selecting a folder and clicking the Open button could cause an unsupported characters message.

Location
Fixed an issue that caused the Project Address in the Location dialog to display incorrectly in a localized version of Revit.

MEP Analytical Systems
Fixed some rare instances where some systems analyses failed due to an incorrect orientation of analytical openings with relation to the parent analytical surface.
Fixed an issue that allowed a systems analysis to continue to run after receiving a worksharing error due to an element being borrowed by another user and cancelling the command.
Improved the analytical space naming for better readability in systems analysis reports.
Fixed an issue that caused a systems analysis report view to open when the report is missing, and the user was previously alerted.
Fixed an issue that caused the report for a failed systems analysis to display as a missing report.
Fixed an issue where some analytical surfaces for floors were mis-categorized as roofs, resulting in loads assigned by unit floor area to not be assigned and underestimates of systems load calculations.
Improved the systems analysis run-rate success, by removing potentially malformed surfaces before processing for system sizing or annual simulations.

MEP Connectors
Fixed connector APIs related to flow properties when the "Enable analysis for closed loop hydronic piping networks" setting is selected in Mechanical Settings.

MEP Fabrication
Improved stability when connecting fabrication parts.
Fixed an issue preventing parts from resizing after they have been demolished.
Fixed an issue when editing parts containing a single connector which could result in poor stability.
Fixed an issue that caused instability when changing a hanger using the type selector.
Fixed an issue when creating similar on fabrication parts which sometimes activated the wrong service palette.
Fixed an issue where the thumbnail images in the part browser were not appearing on stacked buttons.
Fixed an issue when altering the properties of some parts that are connected to family elements which could lead to poor stability.
Fixed an issue with periods in ITM file name causing the incorrect thumbnail to appear in the part browser.
Fixed an issue with coupling that would fail to insert where required as a result of the reducing sizes being ordered higher up in the product list.
Fixed an issue with adjusting sloped branches to steep slope values which resulted in failures when attempting to set them back to the previous values.
Fixed an issue with auto length straights that used a specification which has a 0 standard length.
Fixed an issue that was preventing pipework supports from changing size when the support had no material assigned.
Fixed an issue when processing some parts with invalid geometry which was resulting in poor stability.
Fixed an issue where welds could not be placed in pipes due to tolerance checks being too restrictive.
Fixed an issue where rods for Pattern 1241 were disconnecting when moving the hosted element.
Fixed an issue with thumbnails not appearing in the fabrication part browser when the images had long file paths.
Improved the SU/SD offset tags which now display information on rolled and/or reducing parts.
Fixed an issue when placing parts with severe slope angles which caused the symbol to jump around with cursor movement.
Fixed an issue that would result in slope settings resetting when placing parts on reference lines.
Fixed an issue that caused rise and fall graphics not to display when connected in a run of multiple straights.
Fixed an issue with connector geometry vanishing when multiple color lines are specified in the fabrication database.
Improved the results of the Change Size command when used on back-to-back fittings.
Fixed an issue where importing a MAJ file caused instability if the services were already loaded.
Fixed an issue with the rectangular tap (pattern 7) which was been disconnected when changing the bottom extension value to auto.
Fixed an issue where the incorrect value was returned while using the API to get ancillary data.

MEP Miscellaneous
Fixed an issue that some error messages for P&ID Modeler are not translated.
Fixed an issue with generic annotations nested in family with maintain annotation orientation displaying improperly when family instance rotated on vertical host.

Macros
Improved stability when a macro module is edited by multiple users.
Fixed an issue in which macro module has a duplicated name in a worksharing model.

Materials
Fixed an issue with a long network path in materials.
Fixed an issue that the location of the ceiling-based family might be changed when using paint tool on the ceiling.

Mechanical Systems
Fixed an issue that could cause instability when copying a piping network.
Fixed an issue that caused a mechanical system to be borrowed by a user who made modifications to the network, but not the system itself.

Object Styles
Fixed the issue in which the New Subcategory dialog would appear twice when creating a new reference plane by setting a new sub-category.

Opening
Fixed an issue so that a vertical opening will not be copied at the original location when copying the host element without selecting the vertical opening.
Fixed an issue that a wall opening would change position when the wall level changes.

Parameters
Improved stability in the Shared Parameters dialog when the shared parameter definition is corrupted.
Improved stability when loading certain families into a specific model.
Improved stability when accessing files in data sharing folders.
Improved default name of duplicated parameters - white space in original name is preserved.
Fixed an issue in which the Edit Tooltip button would erroneously display when adding a shared parameter a second time.
Improved behavior when associating parameters to arrays in the Family Editor.
Improved the accuracy of Top/Bottom parameter values for sloped MEP Fabrication Pipework, MEP Fabrication Ductwork, and MEP Fabrication Containment segments.
Fixed an issue where the Start/End Elevation parameters do not automatically update when users drag and move one end of a conduit or cable tray segment on canvas.
Fixed issue that could cause family parameter "Type Image" to be lost when the family is reloaded.

Phasing
Fixed an issue that wall type and wall thickness cannot be edited when the wall has a hosted element of a later phase.

Pipe
Fixed an issue that caused assemblies to double-count some elements.
Fixed an issue that incorrectly filtered out family elements from displaying due to associated rise/drop graphics.

Plan Regions
Fixed the issue that some elements, such as Rebar, would wrongly display when applying a plan region.
Fixed the issue that railing balusters did not display correctly when the plan region was applied.

Precast
Improved the behavior when the precast content folder is missing from the library.
Fixed layout issues in some of the warning dialogs of Precast, which caused the text to not fit the width when translated into certain languages.
Corrected an issue that would delete lifters when the element would be updated due to geometry changes.

Pressure Loss Calculations
Fixed an issue that caused instability during pipe fitting pressure drop calculation.
Improved the equipment pressure loss calculation by separating supply and return values, so that the full loop pressure loss is consistent with partial loop (such as, only supply or return system) values.

Print
Fixed an issue where patterns on transparent underlay elements displayed on screen but did not print vector.
Improved stability when opening or printing a file containing invalid imported geometry.
Fixed an issue where text in CAD imports placed perpendicular the current view would incorrectly print and export from wireframe views.
Fixed an issue where print of transparent filled regions did not match the screen.

Project Information
Fixed an issue where Transfer Project Standards would copy over Project Info parameters, but not include the default parameter value.

Properties Dialog
Fixed the issue where the tooltip for Edit Type would appear empty.
Fixed an issue where the size of the Type Selector was affected by the last used Type Selector.

RPC
Fixed an issue that licensed RPCs downloaded from ArchVision Avail dashboard and placed in Revit realistic view display incorrectly with watermark.

Railing
Fixed an issue that would occur while attempting to delete a railing.

Reinforcement
Added the ability to show bend custom fabric sheets as solid in 3D views.
Fixed an issue where a bar copied inside a part would shift to an unexpected position.
Corrected an issue that would not update the 'Estimated reinforcement volume' when added to a new host.
Improved stability when resetting the removed bars in a free form rebar set.
Fixed an issue where a tag would be placed incorrectly on rebar in a model group when attaching the detail group to which it belonged.
Fixed an issue where dimension references for rebar would be incorrect in reflected ceiling plans.
Fixed an issue where an element would not show concrete cover for a face after deleting the element that was cutting it.
Improved the stability when removing a single bar connected by coupler to another bar.
Fixed an issue where the rebar shape handles would be incorrectly positioned when changing the orientation of the 3D view using the view cube.
Improved the performance when moving elements containing several Standard and Stirrup style rebar.
Improved stability when a rebar containing an incorrect sub-category parameter was displayed in a view.
Fixed an issue where the length of hooks added to arc shaped rebar could not be overridden.
Fixed an issue where parts of rebar would be displayed using the default color instead of the override color in some views parallel to the bar plane.
Fixed an issue where selecting an arc part of a bar using Pick Lines during line creation would produce an invisible arc.
Fixed an API issue where the cover could not be set for faces of elements cut or joined to other elements.
Corrected an issue related to dimensioning the clear distance between bars in area reinforcement with hooks outside the section range.

Revisions
Fixed an issue where pressing Space bar would not flip the rectangular revision cloud during sketching.

Revit Cloud Model (workshared)
Fixed an issue where the Synchronize with Central dialog fails to close properly if its progress dialog is doubled clicked.
Fixed the string truncation issue in "Sync With Central" dialog for some localized versions.
Improved stability for workshared cloud model initiation when the Revit configure file is not available.
Fixed a bug where renaming a Revit Cloud Model in BIM 360 in a way that would exceed the number of characters allowed by Revit would not allow that model to be synchronized with central anymore.

Revit Home
Fixed an issue where the published status of a Revit Cloud Model would not update in real time in Revit Home.
Fixed an issue so that a cloud account could display all projects with a scroll bar from Revit Home.
Fixed a bug where the breadcrumb navigation would not display anymore in Revit Home if the user logs out and logs back in while in the Version History screen.
Fixed an issue that Revit Home still shows subfolders even if the parent folder was removed.

Room/Area/Space
Improved the export to IFC of some Revit rooms, areas, and MEP spaces.
Fixed an issue where rooms could incorrectly refer to previous bounding elements in an unloaded or non-bounding linked model.

Save/Insert Views
Resolved the issue that the Revit file cannot be overwritten in Windows File Explorer when specified in Insert from File until Revit session is closed and restarted.

Schedules
Disabled Delete when selecting all schedule columns.
Improved stability when copying schedules.
Improved the performance when placing a keynote legend with Filter by Sheet on sheets.
Fixed an issue that a schedule name may display incorrectly in the project browser after warning dialogs.
Fixed an issue so that users can drag a schedule parameter individually to Combined Parameter for the partially duplicated parameter name.
Improved stability when switching between views.
Fixed an issue so that Calculated Parameter Name will update after Heading rename.
Fixed an issue that a schedule may display a blank field if Itemize Every Instance is not enabled.
Fixed the description of Note Block to be "Can appear in schedules and tags".

Selection
Fixed the issue that "Select All Instance in the view" did not work in a displacement set.
Fixed a performance issue while selecting element by id.

Shared Coordinates
Fixed an issue that the GIS Coordinate System from the DWG file was cleared after saving the position change back to it.
Fixed an issue to avoid saving an unchanged location back to the linked DWG file when using Revit Shared Coordinates to align models.

Shared View
Fixed the shortcut key of Shared Views in German version of Revit.

Sheets
Fixed an issue with updating the Referencing Sheet and Referencing Detail parameters for viewports on a sheet which are converted from a dependent view to independent one.

Site
Improved the performance by an average of 60% when editing a building pad in a model that contains many pad families.
Improved stability when creating a graded region whose phase order was not valid.
Fixed an issue that building pads couldn't be placed or edited on a topography that hadn't been demolished in a future phase when a topography from another design option was overlapped with it.

Sketching
Fixed an issue where shared sketch planes could be owned by elements that should not own them.
Fixed the issue that the line style of the shaft opening symbolic lines does not change after editing.

Slab
Resolved the issue that unnecessary lines were shown in a section view when editing the roof with the Modify Sub Elements tool.

Stair
Fixed the issue that up text of the stair patch cannot be shown for the customer file.

Startup/Shutdown
Improved stability on startup when there are missing dependencies.

Steel Connections
Fixed an issue that prevented the Centerline symbol from being displayed for dimensions created for steel columns and steel framing with steel fabrication.
Fixed an issue in which the Loads from the model's Analysis Results were not populating the Steel Connection Code Checking module.
Improved stability when adding steel fabrication to a beam that had a typical Revit cope applied to an end.

Steel Connections for Dynamo
Fixed an issue with load cases duplication in steel connection automation sample scripts, in case of multiple attached analysis results packages.
Fixed a potential issue with three and four input element sample scripts trying to place connections where they shouldn't.

Steel Custom Connections
Fixed an issue in which a steel custom connection was not able to be edited using Edit Type/Modify parameters/Edit, when the connection commands in SteelConnectionsData.xml contained uppercase letters.

Steel Fabrication Beam
Fixed an issue in which structural beams were no longer visible in plan view, after placing a structural connection and creating the fabrication shape.
Fixed an issue in which a steel content family had the same two fill patterns (Crosshair) defined.

Structural Families
Fixed an issue in which Dimension Value was not saved to family type parameter when you choose for the Dimension Label a parameter provided by the Section Shape type of the family category of the framing family.
Fixed an issue where Display Filter did not apply to Structural Framing.
Fixed an issue in which the newly created structural beam was assigned the default structural material after the split command was used.

Sun Path
Fixed an issue with dragging the time interval along sun axis in sun/path editor.
Fixed an issue with dragging the sun axis from a frame point in sun/path editor

Sun and Shadow
Fixed an issue with date setting in solar study multi-day type.
Fixed an issue with start and end frames in solar study.

Sweeps
Fixed an issue so that wall sweep returns will be kept at wall ends after mirroring.

System Browser
Fixed a System Browser tooltip display issue when the content is too long.
Fixed a System Browser update issue when loading a family into a project after modifying its category.
Fixed an issue that kept Revit in delete mode when activating the System Browser.
Fixed an issue in which keyboard shortcuts would not invoke the context menu in the System Browser.
Improved the System Browser to allow for the same minimum width when floating or docked.

Tags
Improved edit label dialog - recently added shared parameters persist when category filter is changed.
Fixed an issue where Tag All would create tags for elements already tagged by multi-leader tags.
Fixed an issue that would cause the angle parameter to not be maintained when placing another tag.
Fixed an issue so that tags for MEP segments containing spot-based elevation parameters now report correct values when leader is enabled and is a straight line.
Fixed an issue that would cause the angle parameter for rotating tags to appear for span direction.
Corrected an issue that would cause a tag to become orphaned when tagging sub-element from a model and a linked model.
Fixed the issue that text of the level tag is invisible after publishing to BIM 360 if it is outside of the view port boundary on the sheet.
Fixed the issue that vertical text in the tag family did not show correctly.

Text
Fixed the issue that view name containing mixed digital number and Right to Left text did not display correctly on sheet.
Addressed an issue when placing Model Text on certain work planes that would result in the text displaying upside down.

Truss
Fixed an issue that prevented an older model containing trusses with no bottom chords defined to be upgraded and opened correctly in Revit.

Units
Resolved upgrade behavior where new unit types would default to Imperial in Metric templates.
Fixed API function LabelUtils.GetLabelForSymbol(ForgeTypeId) to return the correct symbol for slope degrees.

Upgrade
Improved stability when closing Revit during a file upgrade.
Improved the ability to upgrade some older Revit files with invalid railings.

User Interface
Fixed a translation issue in the Color Correction dialog in French,  where the terms "Shadows" and "Saturation" were inverted.
Improved stability when dragging tabs/opening the Revit window.
Fixed an issue with API Selection.PickPoint() from a WPF DockablePane.
Fixed an issue where the "Additional numbers of Imported Categories to purge:" text in the Purge Unused dialog was not anchoring correctly when resizing the dialog.
Improved stability when opening files with broken dockable pane status.
Supported embedding WebView 2 into a dockable panel through API.
Fixed an issue where the isolate element keyboard shortcut did not work for assembly elements.
Improved stability when working with the project browser and interacting with error dialogs at the same time.
Addressed an issue where hyperlinks displayed in Help -> About did not work properly.
Fixed an issue where the desktop background may bleed through the Revit UI on startup.

View
Fixed an issue where Drafting Views, Legends, and Keynote Legends incorrectly allowed adding special characters, creating an unstable view until these characters were removed from the view name.
Fixed an issue where moving the view crop very quickly in some directions would change its size.
Resolved the issue that displacement would not be properly updated after adjusting the crop region.

View Filters
Fixed an issue with some level names disappearing in view filters when clicking the Apply button.

View Range
Resolved the issue that view range does not work on the linked Revit model when the host model's view direction is changed from "down" to "up".

View Templates
Resolved the issue that a project parameter or shared parameter controlled by a view template was not deactivated in the Property palette.
Fixed the issue that Far Clipping is not correctly restored after clicking Restore View Properties to disable the temporary view.

ViewCube Navigation
Fixed an issue in which zoom out caused the perspective view display to be abnormal when the focal length is too small.

Wall
Improved the stability when editing V/G setting in a door/window family file.
Fixed the issue so that Add/Remove Walls to a wall sweep/reveal can work for stacked walls with no error.
Fixed an issue that led to embedded curtain walls being left behind when the main curtain wall's slant angle was changed.
Fixed an issue where the Trim/Extend command does not work for a stacked wall when connected to another wall.
Improved the stability of Revit API Wall.Create when creating a face wall by the family instance face.
Fixed an issue with incorrect wall volume when attaching to a reference plane.
Fixed an issue that an instance parameter would disappear on a split element.
Fixed an issue that an arc stacked wall geometry would turn incorrectly when creating an opening on it.
Improved padlock control to be easier to click when editing a wall structure.

Wall and Roof Joins
Improved stability when selecting a chain of wall joins.
Fixed an issue that wall join options are greyed out on the options bar when worksets are activated.
Fixed an issue that wall joins display are incorrect in some specific models.

Workplane
Fixed an issue where using the Workplane Viewer command during Group edit mode would prevent the ability to finish editing the Group.

Worksharing
Removed the ability for a user to open a central model directly and provided a meaningful message when a user wants to create a new local by clicking the central file on the recent file page and another user is syncing with central at the same time.
Disabled the option to Make Workset Editable in the sketch mode.
Fixed the issue so that a new local file of file-based and sever-based worksharing can be created from the Recent File page after restoring a local model.