**Highlights**
1. Support more human pose estimation methods.
- [MSPN](https://arxiv.org/abs/1901.00148)
- [RSN](https://arxiv.org/abs/2003.04030)
2. Support video pose estimation datasets.
- [sub-JHMDB](http://jhmdb.is.tue.mpg.de/dataset)
3. Support Onnx model conversion.
**New Features**
- Support MSPN ([278](https://github.com/open-mmlab/mmpose/pull/278))
- Support RSN ([221](https://github.com/open-mmlab/mmpose/pull/221), [#318](https://github.com/open-mmlab/mmpose/pull/318))
- Support new post-processing method for MSPN & RSN ([288](https://github.com/open-mmlab/mmpose/pull/288))
- Support sub-JHMDB dataset ([292](https://github.com/open-mmlab/mmpose/pull/292))
- Support urls for pre-trained models in config files ([232](https://github.com/open-mmlab/mmpose/pull/232))
- Support Onnx ([305](https://github.com/open-mmlab/mmpose/pull/305))
**Bug Fixes**
- Fix model download links in README ([255](https://github.com/open-mmlab/mmpose/pull/255), [#315](https://github.com/open-mmlab/mmpose/pull/315))
**Breaking Changes**
- `post_process=True|False` and `unbiased_decoding=True|False` are deprecated, use `post_process=None|default|unbiased` etc. instead ([288](https://github.com/open-mmlab/mmpose/pull/288))
**Improvements**
- Enrich the model zoo ([256](https://github.com/open-mmlab/mmpose/pull/256), [#320](https://github.com/open-mmlab/mmpose/pull/320))
- Set the default map_location as 'cpu' to reduce gpu memory cost ([227](https://github.com/open-mmlab/mmpose/pull/227))
- Support return heatmaps and backbone features for bottom-up models ([229](https://github.com/open-mmlab/mmpose/pull/229))
- Upgrade mmcv maximum & minimum version ([269](https://github.com/open-mmlab/mmpose/pull/269), [#313](https://github.com/open-mmlab/mmpose/pull/313))
- Automatically add modelzoo statistics to readthedocs ([252](https://github.com/open-mmlab/mmpose/pull/252))
- Fix Pylint issues ([258](https://github.com/open-mmlab/mmpose/pull/258), [#259](https://github.com/open-mmlab/mmpose/pull/259), [#260](https://github.com/open-mmlab/mmpose/pull/260), [#262](https://github.com/open-mmlab/mmpose/pull/262), [#265](https://github.com/open-mmlab/mmpose/pull/265), [#267](https://github.com/open-mmlab/mmpose/pull/267), [#268](https://github.com/open-mmlab/mmpose/pull/268), [#270](https://github.com/open-mmlab/mmpose/pull/270), [#271](https://github.com/open-mmlab/mmpose/pull/271), [#272](https://github.com/open-mmlab/mmpose/pull/272), [#273](https://github.com/open-mmlab/mmpose/pull/273), [#275](https://github.com/open-mmlab/mmpose/pull/275), [#276](https://github.com/open-mmlab/mmpose/pull/276), [#283](https://github.com/open-mmlab/mmpose/pull/283), [#285](https://github.com/open-mmlab/mmpose/pull/285), [#293](https://github.com/open-mmlab/mmpose/pull/293), [#294](https://github.com/open-mmlab/mmpose/pull/294), [#295](https://github.com/open-mmlab/mmpose/pull/295))
- Improve README ([226](https://github.com/open-mmlab/mmpose/pull/226), [#257](https://github.com/open-mmlab/mmpose/pull/257), [#264](https://github.com/open-mmlab/mmpose/pull/264), [#280](https://github.com/open-mmlab/mmpose/pull/280), [#296](https://github.com/open-mmlab/mmpose/pull/296))
- Support PyTorch 1.7 in CI ([274](https://github.com/open-mmlab/mmpose/pull/274))
- Add docs/tutorials for running demos ([263](https://github.com/open-mmlab/mmpose/pull/263))