Dvc

1) [Fix bugs in dynamic dvc version generation;](https://github.com/iterative/dvc/issues/1866)
2) [Fix improper exception logging bug;](https://github.com/iterative/dvc/issues/1869)
3) [Deprecated `dvc run --remove-outs`;](https://github.com/iterative/dvc/issues/1853)

1) [Fix bug in error handling on failed `dvc repro`;](https://github.com/iterative/dvc/issues/1858)

1) Add a temporary fix for osx binary packages;
2) [Support defining remotes through other remotes;](https://github.com/iterative/dvc/issues/1614)

1) [Fix bug where `dvc checkout/remove` were not able to handle broken symlinks;](https://github.com/iterative/dvc/issues/1856)

1) [Introduced `dvc diff` command. Kudos django-kz :medal_sports: !](https://github.com/iterative/dvc/pull/1778)
2) [Fixed bug in stage file generation for external ouputs;](https://github.com/iterative/dvc/pull/1837)
3) [Fixed bug in dynamic version generation for our pip packages;](https://github.com/iterative/dvc/issues/1824)
4) [Refactored dvc logging to be more pythonic;](https://github.com/iterative/dvc/issues/1753)
5) [Refactored log capturing in our tests to use pytest's caplog;](https://github.com/iterative/dvc/issues/1797)
6) [Added `python_requires` and version classifiers to our pip package; Kudos hugovk :medal_sports: !](https://github.com/iterative/dvc/pull/1845)
7) [Dropped support for Python 3.4 due to it reaching EOL; Kudos hugovk :medal_sports: !](https://github.com/iterative/dvc/pull/1847)
8) [Fixed bug in our daemon worker that was spawning processes recursively;](https://github.com/iterative/dvc/issues/1803)

Welcome new contributors django-kz and hugovk ! :tada: :tada: :tada:

1) [Fix the bug with improper stage md5 calculation caused by not excluded `persist` field](https://github.com/iterative/dvc/issues/1828);