GHC 8.10.6 Backports
Backports for:
- !5941 (closed)
- !6052 (closed)
- !5910 (closed) (#19948 (closed))
- !6041 (closed)
- !6015 (closed) (#19958 (closed))
- !6003 (closed) (#20004 (closed))
- !5994 (closed) (#19973 (closed), #19829 (closed), #19959 (closed))
- !5992 (closed) (#19968 (closed), #19950 (closed))
- !5976 (closed)
- !4134 (closed) (#19962 (closed))
- !5594 (closed) (#19953 (closed))