(Originally and mistakenly reported as ohmyzsh issue)

"git rerere forg"<Tab> completes to "git rerere forget=" (should be just "git rerere forget " with a trailing space)
Add a file path, hit Return and it fails (prints the usage hint)

This occurs with zsh 5.8 on Ubuntu 20.04 with xfce.

Thanks for taking care!
ronso0