 Corrects the behavior of placing families in a project when the family type selector is expanded.

 Improves stability when loading families that contain data created by add-ins.

 Improves stability when ungroup a group.

 Improved stability when filter a schedule.

 Improved stability when opening projects with bad dimensions.

 Improves stability when making edits in the Sun Settings dialog.

 Improves stability when deleting parts while modifying division.

 Improves stability when canceling new label creation in family environment.

 Improves stability when editing materials in families in a workshared environment.

 Improves stability when clicking the Macro Manager tool in the Family Editor.

 Improves stability when multiple users load families and undo their actions in a workshared file.

 Improves stability when two users loaded families of the same name.

 Corrects an issue with ceiling-hosted lights that caused the lights to be deleted when the ceiling was moved or copied.*

 Corrected an issue related to placement of face-based families on certain part elements.*

 Corrects an issue with incorrect warning and error messages for groups in design options with a group containing structural framing elements or columns.*

 Fixed an issue with the generation of the analytical surface for a vertical floor and slab.