MMCV Releases v2.0.0rc4

Features

• Support LayerScale in FFN (#2451)
• Add BezierAlign CUDA op (#2393)
• Pick Ascend ops from the master branch (#2501)

Improvements

• Support value_proj_ratio in MultiScaleDeformableAttention (#2452)
• Use the new interface of fileio from mmengine (#2468, #2539)

Bug fixes

• Fix optimizer 'ValueError' when using PReLU activation (#2444)
• Fix _flip_keypoint of RandomFlip returns a wrong result (#2527)

Documentations

• Update the supported PyTorch and CUDA versions (#2456)
• Add convention for the order of data transforms (#2442)
• Update qq group link (#2454)

Others

• Fix the version of Windows OS to 2019 in CI (#2503)
• Deprecate the support for python3.6 (#2525)
• Fix CI failed due to the version of protobuf (#2529)

Contributors

A total of 9 developers contributed to this release.
@zhouzaida @KeiChiTse @Harold-lkk @vansin @okotaku @grimoire @HAOCHENYE @CokeDong @ckirchhoff2021

New Contributors

• @KeiChiTse made their first contribution in #2444

Full Changelog: v2.0.0rc3...v2.0.0rc4