The new feed contains full information about all artifacts and all versions. The multiversion download script pulls equivalent information out of the dl.mongodb.org, which is slower, more likely to be unavailable, and more difficult to parse.
SERVER-28403setup_multiversion_mongodb.py script should attempt to download <branchname>-latest when major.minor version specified
SERVER-28401Use Python's requests package in setup_multiversion_mongodb.py instead of curl
SERVER-27627Use requests library to manage HTTP posts in resmoke.py buildlogger support