: Stay connected to block content across devices. You can now sync recent blocks to cloud storage and access them via desktop or the AutoCAD web app .

: A new "Quick mode" preselects all potential boundaries by default, allowing for immediate trimming or extending of objects.

: The MEASUREGEOM command’s Quick option now allows you to calculate the area and perimeter of a closed 2D space with a single click.

: View and compare past versions of drawings stored in cloud services like OneDrive , Dropbox , or Box directly within the drawing.

: Similar to the DWG Compare feature, you can now track changes made to an external reference (Xref) file without leaving your current drawing.

introduced several productivity-focused features and performance enhancements, particularly for 2D drafting and cloud-based collaboration. Key Features of AutoCAD LT 2021

: Arc chord lengths are now automatically scaled based on the drawing view, and they are now recognized as a specific object type rather than just polylines. Performance Improvements