20472 set old_gen_heap_size to half of available memory on iOS (cla: yes, platform-ios, waiting for tree to go green)

20473 Limit heap growth on Android (cla: yes, platform-android)

20496 Migration to PlatformDispatcher and multi-window (cla: yes, platform-android, platform-ios)

20531 hasStrings Mac (cla: yes)

20629 Add Linux Wayland support (cla: yes)

20643 SKP based shader warmup (cla: yes, waiting for tree to go green)

20748 Git versioning flag (cla: yes)

20794 Implement browser history class for router widget (cla: yes, platform-web, waiting for tree to go green)