v0.4.2
[Feature] qlora support (#5586)
[Feature] Support LLaMA-3 CPT and ST (#5619)
[doc] add GPU cloud playground (#5851)
[FIX BUG] UnboundLocalError: cannot access local variable 'default_conversation' where it is not associated with a value (#5931)
[Feature] Add a switch to control whether the model checkpoint needs to be saved after each epoch ends (#5941)