Marco's announcement on the new blogs site:  https://blogs.embarcadero.com/rad-studio-10-4-1-has-been-released/     Updated my wiki page with info on 10.4.1: https://github.com/ideasawakened/DelphiKB/wiki/D27.SYDNEY.10.4.1.0   RAD Studio 10.4.1 has a strong focus on quality improvements. Key quality focus areas include: IDE Delphi Code Insight (LSP) Parallel Library SOAP & XML C++ Toolchain FireMonkey VCL Delphi Compiler iOS Deployment New Features Packages can now have an automatic version suffix (instead of manually updating and specifying the right version suffix with each new release) New reader-write lock implementation via the new TLightweightMREW record Faster and more lightweight than the TMultiReadExclusiveWriteSynchronizer (TMREW) Works across all platforms (TMEW was a simple critical section on some) Much improved support for multi-monitor desktop layouts and 4k monitors The floating form designer has been removed The Broadcast to devices option is now off by default Platform Support Deployment to Windows Server 2019 now supported The LSP based Code Insight much improved from its initial 10.4 release