Delay reading manifest chunks from bundle files
Implement missing branchmap for bundle files
Avoid creating an 'extra' field in git metadata on push when unnecessary
Avoid creating a 'files' field in git metadata on push when unnecessary
Don't error out in store.close when there is no mercurial metadata yet
Change refspec for the remote-helper
Detect useless committer metadata in hgdebug fsck
Avoid useless local committer metadata when pushing
Update heads when pushing any kinds of changesets, including those not created during the given push