git rebase origin/development the following error message is shown from Git:
fatal: refusing to merge unrelated histories Error redoing merge 1234deadbeef1234deadbeef
My Git version is 2.9.0. It used to work fine in the previous version.
How can I continue this rebase allowing unrelated histories with the forced flag introduced in the new release?
The default behavior has changed since Git 2.9:
See the Git release changelog for more information.
You can use
--allow-unrelated-historiesto force the merge to happen.