As you can read in the official announcement blog post at https://blogs.embarcadero.com/announcing-the-availability-of-rad-studio-13-florence-update-1/, Embarcadero has released a new version of RAD Studio, Delphi and C++Builder. The top new feature is the addition of a Delphi native Windows on Arm compiler, based on the LLVM toolchain.
You can read more at the Embarcadero Web Site page for RAD Studio 13.1, https://www.embarcadero.com/products/rad-studio/whats-new-in-13-florence and in the detailed What’s New in 13.1 page in DocWiki at https://docwiki.embarcadero.com/RADStudio/Florence/en/13_Florence_-_Release_1.
The doc wiki also includes a list of the publicly reported bugs fixed in DocWiki at
https://docwiki.embarcadero.com/RADStudio/Florence/en/New_features_and_customer_reported_issues_fixed_in_RAD_Studio_13.1
That's all for now. I'm very excited for this release and very happy to have one more target platform and one more Delphi compiler in the box. Hope you'll like it.