v0.2.8
fix ckpt
[diffusers] fix ci and docker (#3085)
polish code (#3194)
[example] add diffusion to example (#1805)
Fix the version of lightning and colossalai in Stable Diffusion environment requirement (#3073)
[examples] Solving the diffusion issue of incompatibility issue#3169 (#3170)
[example] add stable diffuser (#1825)
[example] Change some training settings for diffusion (#2195)