v5.1.0
Fix typos (#40585)
🚨 Delete duplicate code in backbone utils (#43323)
[style] Rework ruff rules and update all files (#43144)
Remove research projects (#36645)
Use Python 3.9 syntax in examples (#37279)
🚨🚨 [saving] Default to 50GB shards, and remove non-safe serialization (#42734)
Remove TF/Flax examples (#40654)