1) Fix bug in updating state db for cache and link during `dvc add`;
0.28.0
1) Add md5 entries for cache and link to state db during `dvc add` so that sequential commands don't have to recompute checksums for it; 2) Improve `dvc status` output; 3) Introduce `dvc commit` command along with `--no-commit` flags for `run/add/repro`;
0.27.1
1) Fix metrics handling for directories; 2) Fix url parsing for ssh remote; 3) Fix `dvc repro --ignore-build-cache` logic; 4) Optimize imports in dvc;
0.27.0
1) Fix metrics show all braches/tags behavior when target is not specified;
0.26.1
1) Fix updater bug on python2;
0.26.0
1) Add support for cached metrics `-m` to `dvc run`;