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+3
Use git flow commands in group
Allow to start/finish features/hotfix/release in all repositories in one group at the same time. Do some kind of synchronization between projects that allow to change branch in all repos inside a group at the same time.
Customer support service by UserEcho
I'm asking the same thing, and have idea how it should looks in current design.
https://smartgit.userecho.com/en/communities/1/topics/1374-mass-checkout