**Full Changelog**: https://github.com/asreview/asreview/compare/v1.2...v1.2.1
- [Bump minimal Python version to 3.8](https://github.com/asreview/asreview/commit/847d56c391b0156236693f49a52fb2e0ef9e8d35)
- [Restrict tensorflow versions to prevent Keras error](https://github.com/asreview/asreview/commit/9d77a378f3ac724af4481ec35b82557cb2ac6c6b)
Thanks to acmdorio for reporting and proposing a fix.