Illustrator 25.1 includes the following features and enhancements:
Repeat Artwork – The popular Repeat artwork feature, which was initially launched with Illustrator on iPad, is now available on the desktop version as well. Repeat Artwork helps you create seamless repeats and patterns using a simple click.
You can now also edit the Repeats created on the iPad version on the desktop.
Performance and Stability – In addition to these amazing new features, we’ve also worked on improving the overall performance of Illustrator by fixing the top reported issues. Here’s a list of improvements and fixed issues in the latest version.