Major plugin developers (Astute Graphics, CValley, HotDoor) built their final "perpetual-compatible" versions around CC 2019. Specifically, version 23.0.2 works seamlessly with:
: Enhanced support for high-resolution displays to ensure that icons and menus remained crisp regardless of monitor size. Adobe Illustrator CC 2019 23.0.2
The 23.0.2 patch specifically addressed: Major plugin developers (Astute Graphics
Adobe Illustrator CC 2019 (version 23.0.2) was a pivotal update that introduced major workflow enhancements through Adobe Sensei (AI) and improved user customization Key Features and Enhancements Freeform Gradients Adobe Illustrator CC 2019 23.0.2