Introduced new manufacturer content, including Siemens (PLC) and Eaton components. The Symbol Library was expanded to improve schematic design efficiency.
Note: For macOS users, basic requirements include 4GB of RAM and 3GB of free disk space. Why Upgrade to AutoCAD 2021? AutoCAD 2021
When working with files saved to supported cloud storage providers (such as Autodesk Docs, OneDrive, Box, or Dropbox), AutoCAD automatically tracks file modifications. Why Upgrade to AutoCAD 2021
, Dropbox, and Box, users can now view the evolution of their drawings over time. This feature allows for side-by-side comparisons of previous versions directly within the current drawing canvas. Xref Compare This feature allows for side-by-side comparisons of previous
订阅用户只需将图形文件保存至上述云存储账户，软件便会自动记录并生成一份可视化时间轴。设计师可以在不离开当前AutoCAD界面的情况下，直接对比当前图纸与过往任意版本的差异，甚至可以快速查看整个设计方案的演变过程。这一功能在远程办公背景下显得尤为关键，解决了异地团队异地协同设计中的版本同步难题，让图纸修订变得透明且可控。
While AutoCAD 2021 was a major leap, it is important to note that performance has continued to improve in later versions. For instance, studies comparing AutoCAD 2025 to 2021 showed faster performance in tasks like hatching along paths, block replacement, and counting block instances. However, for users required to work within the 2021 environment, the features highlighted above offer robust capabilities for 2D and 3D modeling. Summary of Benefits