Polling is expensive, especially when you're doing it for hundreds of branches. We should use hooks instead.
Landed https://commits.webkit.org/245242@main (r287045)
Created attachment 447166 [details]
Patch for landing
Committed r287054 (245250@main): <https://commits.webkit.org/245250@main>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 447166 [details].