A recap of the WordPress core performance team's Slack chat covers a performance regression discovered in WordPress 7.1, tracked as Trac ticket #65929, related to a new Block State feature. The regression is slated to be addressed in a 7.1.1 milestone update, and contributors are invited to help investigate.
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WordPress Performance Trac ticketsPerformance Lab Plugin (and other performance plugins)Open FloorQuestions this post answers
What causes the performance regression in WordPress 7.1 related to Block State?
A performance regression tied to the new Block State feature introduced in WordPress 7.1 was identified and reported as Trac ticket #65929. Since Block State is new in 7.1, the fix is being targeted for a 7.1.1 patch release rather than the next major version, and core contributors were asked to help investigate the issue. Track WordPress core performance fixes like this one as they land by following updates on daily.dev.