The Sandbox team suggested a number of improvements to our sandbox: 1. Minimize regex usage Better to use enumerate individual names than grouping similar names into regexes. This is a performance improvement. 2. Remove duplicate rules 3. Remove 'defined?' checks for the many things that are supported in all WebKit target OSes. These will simplify the rules, and should provide some launch time improvement.
<rdar://problem/47565664>
Created attachment 440083 [details] Patch
Tested on macOS and iOS on device (including streaming video).
Comment on attachment 440083 [details] Patch R=me.
Comment on attachment 440083 [details] Patch Should we also start collecting telemetry for the properties seldom seen? There might be many obsolete properties by now. That falls outside the scope of this patch, however.
Tools/Scripts/svn-apply failed to apply attachment 440083 [details] to trunk. Please resolve the conflicts and upload a new patch.
Created attachment 440956 [details] Patch for landing
Committed r283998 (242842@main): <https://commits.webkit.org/242842@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 440956 [details].