Version 13.1 of Wolfram Mathematica and System Modeler were released last week.
A lot of improvements and new functions have been added again. Get an overview of all new features.
Wolfram U offers a free webinar series "New in Wolfram Language 13.1", from July, 19 - 21
Participation is free! Registration is possible here.
Mathematica Version 13.1:
System Modeler Version 13.1:
Here you can read Stephen Wolfram's release blog entry.
Would you like to try Wolfram Applications? Request your free trial license (the trial license ends automatically).