Update 22.02.04
Individual commits from this PR are not cherry-pickable in a vacuum; these were manually re-committed from a staging repo in order to group together changes for general public viewing. There were over 250 commits on the private development repo for this update.
Big thanks to @SciresM @sora10pls @Lusamine @architdate @ReignOfComputer for testing and contributing code / test cases. Can't add co-authors from the PR menu :(
Builds will fail because azure pipelines not yet updated with net6.