311575 2026-04-06 11:27:16 -0700 REGRESSION(310575@main): Unclear if elements in shadow DOM should fire LCP based on specs 2026-04-06 11:30:13 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 310264 1 commit-queue commit-queue simon.fraser webkit-bug-importer oldest_to_newest 2197294 0 commit-queue 2026-04-06 11:27:16 -0700 https://commits.webkit.org/310575@main introduced a regression: Unclear if elements in shadow DOM should fire LCP based on specs This is an automatic bug report generated by webkitbot. If this bug report was created because of a flaky test, please file a bug for the flaky test (if we don't already have one on file) and dup this bug against that bug so that we can track how often these flaky tests fail. 2197296 1 478935 commit-queue 2026-04-06 11:27:23 -0700 Created attachment 478935 REVERT of 310575@main Any committer can land this patch automatically by marking it commit-queue+. The commit-queue will build and test the patch before landing to ensure that the revert will be successful. This process takes approximately 15 minutes. If you would like to land the revert faster, you can use the following command: webkit-patch land-attachment ATTACHMENT_ID where ATTACHMENT_ID is the ID of this attachment. 2197298 2 ews-feeder 2026-04-06 11:29:27 -0700 Committed 310655@main (419a2d514070): <https://commits.webkit.org/310655@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 478935. 2197299 3 webkit-bug-importer 2026-04-06 11:30:13 -0700 <rdar://problem/174176027> 478935 2026-04-06 11:27:23 -0700 2026-04-06 11:29:28 -0700 REVERT of 310575@main bug-311575-20260406182722.patch text/plain 5474 commit-queue RnJvbSBjNzUxYjg4ZTA5NTdhZjQzOTE3NWY0Yzk5ZWM5NDY1NjhmMjRjYzczIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBDb21taXQgUXVldWUgPGNvbW1pdC1xdWV1ZUB3ZWJraXQub3Jn PgpEYXRlOiBNb24sIDYgQXByIDIwMjYgMTg6Mjc6MjEgKzAwMDAKU3ViamVjdDogW1BBVENIXSBV bnJldmlld2VkLCByZXZlcnRpbmcgMzEwNTc1QG1haW4uCiBodHRwczovL2J1Z3Mud2Via2l0Lm9y Zy9zaG93X2J1Zy5jZ2k/aWQ9MzExNTc1CgpVbmNsZWFyIGlmIGVsZW1lbnRzIGluIHNoYWRvdyBE T00gc2hvdWxkIGZpcmUgTENQIGJhc2VkIG9uIHNwZWNzCgpSZXZlcnRlZCBjaGFuZ2VzZXQ6Cgoi TENQIGluIHNoYWRvdyBET00gaXMgbm90IHJlcG9ydGVkIgpodHRwczovL2J1Z3Mud2Via2l0Lm9y Zy9zaG93X2J1Zy5jZ2k/aWQ9MzEwMjY0Cmh0dHBzOi8vY29tbWl0cy53ZWJraXQub3JnLzMxMDU3 NUBtYWluCi0tLQogLi4uL3BhZ2UvTGFyZ2VzdENvbnRlbnRmdWxQYWludERhdGEuY3BwICAgICAg 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