They where deleted on purpose. 2.2 is about to be released, which means there won't be any more 2.1 or 2.0 releases so these branches are no longer needed.

On 9 September 2016 at 10:55, Thomas Darimont <thomas.darimont@googlemail.com> wrote:

Hello,

just found out that some of the maintenance branches: 2.1.x, 2.0.x are no longer available in in the the keycloak github repository.

Only the 1.9.x & master branches are left :(

Did someone accidentally remove those branches?

Cheers,
Thomas

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