Autodesk Revit 2018.1.1 Update

This list represents the reported issues resolved in Autodesk Revit 2018 within build: 20170907_2315. The resolved issues are listed based upon discipline and feature. Additionally for the Revit 2018.1.1 Hot Fix, a list of smaller improvements which may not be explicitly mentioned within the Revit 2018 Online Help are included. More information on improvements can be found within the What's New section of the Revit 2018 online Help.

Platform
- File Open/Save/Upgrade
Fixed an issue that could cause unresolved pointer references errors when opening files.
- Materials
. Fixed an issue that could cause instability in Revit when creating a new category in an external material library.
. Improved stability when clicking twice quickly on the OK button in the Material Browser.
. Fixed an issue that could cause instability when editing materials.
- Sign In/Sign Out
Improved stability when signing out of an Autodesk account, then exiting and restarting Revit.
- Startup/Save
Implemented better error handling to improve stability related to the Revit UI state.
- User Interface
Fixed an issue that could cause menus to disappear from the ribbon after performing a print preview.
- Worksharing
Improved stability in workshared files that contain sun and shadow settings saved in view templates.
Architecture
- Stair
Fixed an issue that could cause instability while upgrading projects that include Multistory Stairs.
MEP
- Duct
Fixed an issue that could cause instability in Revit when modifying the size of a set of pipe or duct elements.
Structure
- Rebar
Fixed an issue where the value of the rebar partition parameter was deleted when upgrading projects from Revit 2017 and earlier to Revit 2018.
API
Fixed an issue so that the extents of a crop box are correctly set using the API.