v0.3.1
[chat] remove naive strategy and split colossalai strategy (#4094)
[chat] fix compute_approx_kl (#4338)
[chat]: fix chat evaluation possible bug (#4064)
support session-based training (#4313)
[NFC] polish applications/Chat/inference/server.py code style (#4274)
applications/Chat/.gitignore (#4279)
[Coati] first commit (#3283)
[chat] use official transformers and fix some issues (#4117)