Dvc

1) [Added support for ACL for s3 remotes](https://github.com/iterative/dvc/issues/2414); Kudos AlJohri :tada:
2) [Added proper handling for unsupported `no_traverse false` option in HTTP(s) remotes](https://github.com/iterative/dvc/issues/2380);

1) [Added support for streaming data files from remotes through our Python API](https://github.com/iterative/dvc/issues/2311);
2) [Fixed git post-checkout hook to not run `dvc checkout` if the user is simply checking-out a specific file](https://github.com/iterative/dvc/issues/2400); Kudos gthb :tada:
3) [Fixed bug in signal handler for `dvc run/repro`](https://github.com/iterative/dvc/issues/2406);

1) [Fixed bug in `dvc diff` output](https://github.com/iterative/dvc/issues/1874);
2) [Added support for shared cache within a user group](https://github.com/iterative/dvc/pull/2298);
3) [Added support for file streaming from Azure remote through Python API](https://github.com/iterative/dvc/pull/2371);
4) [Added support for multiple targets for `dvc metrics show`](https://github.com/iterative/dvc/pull/2319);
5) [Added support for faster `status` for azure remote](https://github.com/iterative/dvc/pull/2319);

1) [Improved up-to-date message printed by `dvc status`](https://github.com/iterative/dvc/pull/2364); Kudos SRITANU :tada:
2) [Refactored scm/git classes](https://github.com/iterative/dvc/pull/2351); Kudos RahulR19 :tada:
3) [Updated azure requirements](https://github.com/iterative/dvc/pull/2370);

1) [Don't use `.dvc/lock` and `.dvc/state.lock` when running `dvc get` to workaround NFS and CIFS limitations](https://github.com/iterative/dvc/issues/2135);
2) [Run dvc in git hooks only if current branch is a dvc repository](https://github.com/iterative/dvc/issues/2208); Kudos gthb :tada:
3) [Speedup (up to x2) `dvc pull/push/fetch` with multiple targets specified](https://github.com/iterative/dvc/issues/2308);
4) [Remove `--show-checksums` option from `dvc status` command](https://github.com/iterative/dvc/issues/2085); Kudos kurianbenoy :tada:
5) [Fix bug in `dvc repro`, which threw an error when specifying `--single-item` through CLI](https://github.com/iterative/dvc/issues/2354);

1) [`-x|--xpath` specified in `dvc metrics show` command now overrides xpath defined in the dvc-file](https://github.com/iterative/dvc/issues/2285);
2) [Deduplicated files in a hint printed by in `dvc run` command](https://github.com/iterative/dvc/issues/1475);
3) [Temporarily fixed ruamel.yaml version range to avoid installation problems on alpine linux](https://github.com/iterative/dvc/issues/2334); Kudos AlexJoz :tada: