Bump to v0.12 (#455)

README.md

@@ -48,7 +48,7 @@ This project is released under the [Apache 2.0 license](LICENSE).
 
 ## Changelog
 
-v0.11.0 was released in 02/02/2021.
+v0.12.0 was released in 04/03/2021.
 Please refer to [changelog.md](docs/changelog.md) for details and release history.
 
 ## Benchmark and model zoo

docs/changelog.md

 ## Changelog
 
+### V0.12 (04/03/2021)
+
+**Highlights**
+
+- Support FCN-Dilate 6 model.
+- Support Dice Loss.
+
+**Bug Fixes**
+
+- Fixed PhotoMetricDistortion Doc ([#388](https://github.com/open-mmlab/mmsegmentation/pull/388))
+- Fixed install scripts ([#399](https://github.com/open-mmlab/mmsegmentation/pull/399))
+- Fixed Dice Loss multi-class ([#417](https://github.com/open-mmlab/mmsegmentation/pull/417))
+
+**New Features**
+
+- Support Dice Loss ([#396](https://github.com/open-mmlab/mmsegmentation/pull/396))
+- Add plot logs tool ([#426](https://github.com/open-mmlab/mmsegmentation/pull/426))
+- Add opacity option to show_result ([#425](https://github.com/open-mmlab/mmsegmentation/pull/425))
+- Speed up mIoU metric ([#430](https://github.com/open-mmlab/mmsegmentation/pull/430))
+
+**Improvements**
+
+- Refactor unittest file structure ([#440](https://github.com/open-mmlab/mmsegmentation/pull/440))
+- Fix typos in the repo ([#449](https://github.com/open-mmlab/mmsegmentation/pull/449))
+- Include class-level metrics in the log ([#445](https://github.com/open-mmlab/mmsegmentation/pull/445))
+
 ### V0.11 (02/02/2021)
 
 **Highlights**

mmseg/version.py

 # Copyright (c) Open-MMLab. All rights reserved.
 
-__version__ = '0.11.0'
+__version__ = '0.12.0'
 
 
 def parse_version_info(version_str):