AutoCAD Plant 3D 2027.1 Update

Collaboration Workflow

• Fixed occasional crashes when refreshing from project.

Piping

• Fixed occasional crashes when opening a drawing in certain projects.
• Fixed occasional crashes when closing certain drawings.
• Fixed occasional crashes when autosaving certain drawings.
• Fixed occasional crashes caused by GDI object leaks when working in the Project Manager.

Isometrics

• Fixed occasional crashes when creating Iso drawings multiple times in certain projects.

Collaboration Workflow

• Forge Data Management project folder structure now displays when sharing a project with a user account that has modified permissions.
• Font display issues in the Share Project dialog box are now resolved for the Chinese version.

Project Management

• Saving drawing files now works correctly after erasing AutoCAD objects from the Validation Summary dialog while it remains open.
• The Validation Summary now retains all errors after cached files are cleared and a project is revalidated with only 3D Model to P&ID checks or Duplicated Tags enabled in collaboration projects.
• Flow direction conflict validation errors no longer occur on reducers.
• Calculated properties now work as expected when the original value is not an integer.
• The ROUND function now returns correct values for calculated properties.
• Removing a drawing now works correctly when it contains calculated properties with empty source property values.
• Data Manager no longer resets filter results when rotating a 3D model.
• The Data Manager tree view now sorts correctly based on the application language.
• Dragging P&ID annotations from Data Manager now works as expected.
• The application no longer freezes after Project Setup is closed in certain projects with a large number of tags.
• Test Connection to SQL Server now works in Project Maintenance.

P&ID

• TO and FROM properties now update correctly when pipeline segments are connected by an OPC.
• Drawing Checker now correctly handles P&ID annotation mismatches with the database.
• Slines no longer distort when placing Inline Instruments in specific projects.
• The Properties palette no longer unexpectedly refreshes and scrolls to the top when inherited P&ID components are overwritten.
• Substituting the valve body of a custom control valve now requires only a single operation for certain projects.
• Hide empty values and trailing delimiter settings now work correctly for Tag annotations.
• Errors no longer occur when editing P&ID Painter style settings in non-English versions of the application.

3D Modeling

• The mouse cursor no longer freezes when hovering over a valve with an actuator when content is stored on a network location.
• Line to Pipe now works for cutback elbows with different angles.
• Line to Pipe now works for skewed polylines.
• Some structural member shape sizes no longer disappear in the Member Settings dialog box for specific structure catalogs.

Orthographics

• Valve graphics now display correctly in certain Ortho drawings.

Isometrics

• Excel files can now be exported successfully during Iso creation when line numbers contain more than 28 characters.

Spec Editor

• Actuator height and width now update correctly after a spec is updated from catalogs.
• Switching sizes is now allowed without an unexpected prompt when creating a new component.
• Font display issues in Spec Editor are now resolved for the Chinese version.
• The Spec Editor application no longer crashes when opening a specification that contains custom block components.