https://developer.blender.org/rB159806140fd33e6ddab951c0f6f1... Showing 876 changed files with 228 additions and 193,524 deletions.
Another large cleanup was done on the "internal and legacy viewport" (I'm not familiar with the lingo, sorry), also so satisfying:
https://github.com/sobotka/blender/commit/51b796ff1528c52cc8... (only have the git mirror link, sorry) Showing 309 changed files with 1,687 additions and 84,075 deletions.