v4.2.2
Code Quality: Enable TreatWarningsAsErrors in some projects & enable "strict" feature flag globally (#18116)
Code Quality: Remove Shared dependencies from Controls and Server (#18781)
Code Quality: Replace raw ABI pointers with ComObject instances for safer disposal (#18684)
Bump Microsoft.WindowsAppSDK from 2.0.1 to 2.1.3 (#18507)
Code Quality: Updated headers
Code Quality: Update the CI and CDs to use the VS2026-installed runner image (#18295)
Code Quality: Update SupportUsUrl to new sponsorship link
Feature: Added support for customizing the toolbar (#18276)