Highlights
1. Support [YOLOv5/YOLOv6/YOLOX/RTMDet deployments](https://github.com/open-mmlab/mmyolo/blob/main/configs/deploy) for ONNXRuntime and TensorRT
2. Support [YOLOv6](https://github.com/open-mmlab/mmyolo/blob/main/configs/yolov6) s/t/n model training
3. YOLOv5 supports [P6 model training which can input 1280-scale images](https://github.com/open-mmlab/mmyolo/blob/main/configs/yolov5)
4. YOLOv5 supports [VOC dataset training](https://github.com/open-mmlab/mmyolo/blob/main/configs/yolov5/voc)
5. Support [PPYOLOE](https://github.com/open-mmlab/mmyolo/blob/main/configs/ppyoloe) and [YOLOv7](https://github.com/open-mmlab/mmyolo/blob/main/configs/yolov7) model inference and official weight conversion
6. Add YOLOv5 replacement [backbone tutorial](https://github.com/open-mmlab/mmyolo/blob/dev/docs/en/advanced_guides/how_to.md#use-backbone-network-implemented-in-other-openmmlab-repositories) in How-to documentation
New Features
1. Add `optimize_anchors` script (175)
2. Add `extract_subcoco` script (186)
3. Add `yolo2coco` conversion script (161)
4. Add `dataset_analysis` script (172)
5. Remove Albu version restrictions (187)
Bug Fixes
1. Fix the problem that `cfg.resume` does not work when set (221)
2. Fix the problem of not showing bbox in feature map visualization script (204)
3. uUpdate the metafile of RTMDet (188)
4. Fix a visualization error in `test_pipeline` (166)
5. Update badges (140)
Improvements
1. Optimize Readthedoc display page (209)
2. Add docstring for module structure diagram for base model (196)
3. Support for not including any instance logic in LoadAnnotations (161)
4. Update `image_demo` script to support folder and url paths (128)
5. Update pre-commit hook (129)
Documentation
1. Translate `yolov5_description.md`, `yolov5_tutorial.md` and `visualization.md` into English (138, 198, 206)
2. Add deployment-related Chinese documentation (220)
3. Update `config.md`, `faq.md` and `pull_request_template.md` (190, 191, 200)
4. Update the `article` page (133)
Contributors
A total of 14 developers contributed to this release.
Thank imAzhou, triple-Mu, RangeKing, PeterH0323, xin-li-67, Nioolek, kitecats, Bin-ze, JiayuXu0, cydiachen, zhiqwang, Zheng-LinXiao, hhaAndroid, wanghonglie