v0.2.6
[DTensor] refactor CommSpec (#3034)
[Gemini] ParamOpHook -> ColoParamOpHook (#2080)
[polish] polish ColoTensor and its submodules (#2537)
[hotfix]: Remove math.prod dependency (#2837)
[hotfix] add shard dim to aviod backward communication error (#2954)
[Tensor] init ColoParameter (#914)
[autoparallel] fix bugs caused by negative dim key (#1808)
[doc] update rst and docstring (#1351)
[hotfix] fix implement error in diffusers
[autoparallel] fix runtime apply memory estimation (#2281)
[autoparallel] mix gather (#1977)