Given the ticket number, search sage-release: https://groups.google.com/forum/#!searchin/sage-release/21006%7Csort:date
And we find it was merged in Sage 7.4.beta0 0a80508 Updated SageMath version to 7.4.beta0 ... 9831d4b Trac #21006: Upgrade to IPython 5.0 ... b630b41 Updated SageMath version to 7.3 Given the commit number, use $ git tag --contains <commit_number> In this case: $ git tag --contains d55cb7744b also shows 7.4.beta0 is the earliest tag containing that commit. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/2fcb8ba5-3c56-4ce6-9938-e83e437efca9o%40googlegroups.com.