1. Support for LOCAL/S3/GS/SSH/HDFS external dependencies, outputs and cache.
2. Misc bug fixes and performance improvements.
3. Added -c|--cwd option for dvc repro to change directory before reproduction. Similar to make -C.
4. Added -p|--purge option for dvc remove to remove the dvc file.
5. Introduced dvc import to import external files and track them as dependencies.
6. Added -m|--metrics option for dvc repro to output metrics after reproduction.
7. Added -d|--default option for dvc remote add to set remote as a default one.
8. Data cloud is now included into Remote class. All remote drivers for local/s3/gs/hdfs/ssh are now located under dvc/remote/. New remote types are easy to add.
9. Added --all-branches option for push/pull/fetch/gc to operate on cache for all present branches.
10. Introduced dvc move to allow renaming data files added with dvc add.
11. Introduced dvc lock/unlock to lock/unlock dvc files from reproduction.
12. Added support for a list of cache types. E.g. dvc config cache.type reflink,copy.