The PURGE command received a significant UI upgrade.
The Blocks Palette, introduced in 2020, was refined in 2021. AutoCAD 2021
Even a stable release has quirks. Here are top user-reported issues and solutions: The PURGE command received a significant UI upgrade
Problem 1: Slow startup (1-2 minutes)
Fix: Clear the %temp% folder. Disable unused add-ins (APPLOAD → Contents → Uncheck non-essentials). Reset settings to default (Reset AutoCAD to Defaults from Start Menu). Even a stable release has quirks
Problem 2: Drawing History not working
Fix: Ensure you have a valid Autodesk ID logged in and that the drawing is saved to a supported cloud provider (OneDrive, Dropbox, or Autodesk Docs). Local network drives without cloud sync are not supported.
Problem 3: Quick Measure displays incorrect values
Fix: Run MEASUREGEOM → type DIST → manually measure the object. The hover function struggles with overlapping hatches. Use SELECTIONCYCLING (set to 2) to cycle through overlapping objects.
Problem 4: Crashes when using XREF Compare
Fix: Update to AutoCAD 2021.1.2 Update (released October 2021). This patch specifically addressed XREF memory leaks.