Info:
AutoCAD LT precision 2D CAD drafting software has a flexible subscription model, with new features available with each release and product update. If you have a perpetual license of AutoCAD LT 2016 or earlier, here?s what?s changed in AutoCAD LT 2017, AutoCAD LT 2018, AutoCAD LT 2019, AutoCAD LT 2020 and AutoCAD LT 2021.

Top new features added since 2016 include:
Drawing history: See changes made to your drawing over time.
Xref compare: Compare two versions of an external Xref and implement changes without leaving your current drawing.
Blocks palette: Insert blocks efficiently from the Libraries tab on desktop or in the AutoCAD web app.
Quick measure: Quickly display all nearby measurements including areas and perimeters in a drawing by hovering your mouse.
Trim and extend (enhanced): The default Quick mode now automatically selects all potential boundaries.
Purge (redesigned): Remove multiple unneeded objects with easy selection and object preview.
DWG? compare: Compare two versions of a drawing or Xref without leaving your current window.
PDF import: Import geometry (SHX font files, fills, raster images, and TrueType text) into a drawing from a PDF.
AutoCAD anytime, anywhere: Access AutoCAD from your desktop, web, and mobile devices.*
Shared views: Publish design views of your drawing in a web browser for viewing and commenting.*

Save to web and mobile: Save drawings and their associated Xrefs from your desktop to view and edit in the AutoCAD web and mobile apps.
New views and viewports: Easily add saved views to your layouts.
High-resolution monitor support: View your designs on 4K- and higher-resolution displays.
Off-screen selection: Selected objects stay in the selection set, even if you pan or zoom off screen.
New feature highlighting: Quickly see what?s new in each release.
Autodesk desktop app: Get alerts and install software updates without disrupting your workflow. View tutorials about new features.