Byl uveden Hotfix 1 pro Revit 2018.1 (nový build: 20170907_2315). Ke stažení jej najdete na Autodesk Account nebo automaticky v Desktop App.Přehled oprav: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.