Merged Community PRs ( Jan-Feb 2023 )

[dipeshmsft]

Hello folks,

Here is the list of PRs that have been merged ( or will be merged ) on the basis Jan and Feb Community Test Pass results :

1. Remove expressions that have always been known in PropertyChangedEventManager #4317
2. Remove Source Generator workaround #7396
3. Improve LookupContentTypeForImageUri performance in XpsFixedPageReaderWriter.cs #5393
4. avoid boxing for xxxAnimationUsingKeyFrames #1963
5. Update DatePicker.FirstDayOfWeek on Language change #7408
6. Replace resource constants with properties in ReachFramework. #7463
7. Use project ChecksumAlgorithm in code-behind. #7556
8. Replace resource constants with properties in PresentationCore #7519
9. Replace String.CompareOrdinal to string.Equals in KnownTypes #7500
10. Replace Dictionary with HashSet #7486
11. Generated the AssemblyRecord code in AssemblyHelper to improve startup performance #7033
12. In ClrObjectRuntime, move the object definition next to the code used #4044
13. Fixing validation adorner for not yet visible controls #1167

Thanks a lot to our community contributors for their contributions to WPF.
@ThomasGoulet73 @lindexi @batzen @NaBian @aubiyko