In practice, contributors very rarely prune remotes. I've encountered a few cases lately where this has been a problem. There are som root causes to address regarding the problems, but in general, tools should be pruning remotes when fetching.
<rdar://problem/102090699>
Pull request: https://github.com/WebKit/WebKit/pull/6252
Committed 257514@main (bdb212d5fe62): <https://commits.webkit.org/257514@main> Reviewed commits have been landed. Closing PR #6252 and removing active labels.
Committed 252432.946@safari-7614-branch (4e7fe00052a8): <https://commits.webkit.org/252432.946@safari-7614-branch> Reviewed commits have been landed. Closing PR #256 and removing active labels.