Highlights

• Support Label Assignment Distillation
• Support persistent_workers for Pytorch >= 1.7
• Align accuracy to the updated official YOLOX

New Features

• Support Label Assignment Distillation (#6342)
• Support persistent_workers for Pytorch >= 1.7 (#6435)

Bug Fixes

• Fix repeatedly output warning message (#6584)
• Avoid infinite GPU waiting in dist training (#6501)
• Fix SSD512 config error (#6574)
• Fix MMDetection model to ONNX command (#6558)

Improvements

• Refactor configs of FP16 models (#6592)
• Align accuracy to the updated official YOLOX (#6443)
• Speed up training and reduce memory cost when using PhotoMetricDistortion. (#6442)
• Make OHEM work with seesaw loss (#6514)

Documents

• Update README.md (#6567)

Contributors

A total of 11 developers contributed to this release. Thanks @FloydHsiu, @RangiLyu, @ZwwWayne, @AndreaPi, @st9007a, @hachreak, @BIGWangYuDong, @hhaAndroid, @AronLin, @chhluo, @vealocia, @HarborYuan, @st9007a, @jshilong

New Contributors

• @FloydHsiu made their first contribution in https://github.com/open-mmlab/mmdetection/pull/6546