According to Autodesk Support , this hotfix resolves several critical performance and stability issues:

: Compare past and present versions of a drawing to see the evolution of your work, specifically for files stored on OneDrive, Dropbox, or Box .

: Automatically identify changes between an external reference (Xref) and the current drawing without leaving the workspace.

: Fixes an issue where renaming layers from the right-click menu failed when the layer palette was set to auto-hide.

: Access blocks more efficiently through the Libraries tab, with the ability to sync recent blocks across desktop and web apps.

: Better gesture support for multi-touch devices, such as pinch-to-zoom and panning. Toolset Updates (Version 2021.0.1)

: Corrects a bug where the canvas would display as solid black or red when the "sky status" was enabled.

Users running version 2021.0.1 have access to the core innovations of the 2021 cycle: