There was some back and forth as to whether we should have EWS rebase pull requests on the tip of their target branch before building or testing (like we do For SVN). Discussion have indicated that this behavior is generally desirable.
<rdar://problem/88705147>
Pull request: https://github.com/WebKit/WebKit/pull/135
Landed 247164@main (r289676)
Pull request: https://github.com/WebKit/WebKit/pull/140