v2.1.1
WEB/DOC: Fix typo in OVH name (#49137)
DOC: update cheatsheet (#39806)
DOC: Move ecosystem.rst to getting started section (#52944)
Update eval_performance.py (#50679)
Backport PR #55207 on branch 2.1.x (DOC: Add whatsnew for 2.1.2) (#55221)
DOC update contributors (#52138)
DOC: Add scaling to large datasets section (#28577)
STYLE: specify encodings when opening files (#52999)
DEPR: lookup, append (#49481)