<div style="text-align:center"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==" fifu-lazy="1" fifu-data-sizes="auto" fifu-data-srcset="https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=75&resize=75&ssl=1 75w, https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=100&resize=100&ssl=1 100w, https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=150&resize=150&ssl=1 150w, https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=240&resize=240&ssl=1 240w, https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=320&resize=320&ssl=1 320w, https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=500&resize=500&ssl=1 500w, https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=640&resize=640&ssl=1 640w, https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=800&resize=800&ssl=1 800w, https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=1024&resize=1024&ssl=1 1024w, https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=1280&resize=1280&ssl=1 1280w, https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1&w=1600&resize=1600&ssl=1 1600w" width="500" height="227" fifu-data-src="https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="Performance Chat Summary: 25 October 2022" title="Performance Chat Summary: 25 October 2022" srcset="https://i3.wp.com/www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022.jpg?ssl=1 500w, https://www.awordpresscommenter.com/wp-content/uploads/2022/10/performance-chat-summary-25-october-2022-300x136.jpg 300w" sizes="(max-width: 500px) 100vw, 500px" /></div><div>
<p><a href="https://make.wordpress.org/core/2022/10/24/performance-chat-agenda-25-october-2022/">Meeting agenda here</a> and the full chat log is available <a href="https://wordpress.slack.com/archives/C02KGN5K076/p1666710082936079">beginning here on Slack</a>.</p>
<h2>Announcements</h2>
<ul>
<li><a href="https://profiles.wordpress.org/mxbclang/" class="mention"><span class="mentions-prefix">@</span>mxbclang</a>: Upcoming time change
<ul>
<li>Europe changes w/c 30 October before US does – Nov 1 meeting will be <strong>one hour later</strong> at <a href="https://www.timeanddate.com/worldclock/fixedtime.html?iso=20221101T1600"><abbr title="2022-11-01T16:00:00+00:00">Tuesday, November 1, 2022 at 12:00 PM EDT</abbr></a></li>
<li>US changes w/c 6 November – meeting will shift ahead by <strong>one hour</strong> to stay at our regular time, so Nov 8 meeting will be at <a href="https://www.timeanddate.com/worldclock/fixedtime.html?iso=20221108T1500"><abbr title="2022-11-08T15:00:00+00:00">Tuesday, November 8, 2022 at 10:00 AM EST</abbr></a></li>
</ul>
</li>
</ul>
<h2 id="focus-group-updates">Focus area updates</h2>
<ul>
<li><a href="https://profiles.wordpress.org/mxbclang/" class="mention"><span class="mentions-prefix">@</span>mxbclang</a>: Results of <a href="https://github.com/WordPress/performance/issues/554">focus area updates vote</a>
<ul>
<li>Added new Database focus area – see <a href="https://github.com/WordPress/performance/labels/%5BFocus%5D%20Database">GH label</a> and <a href="https://github.com/WordPress/performance/projects/7">Project</a></li>
<li>Renamed JavaScript focus area to JS &#038; CSS – see <a href="https://github.com/WordPress/performance/labels/%5BFocus%5D%20JS%20%26%20CSS">GH label</a> and <a href="https://github.com/WordPress/performance/projects/3">Project</a></li>
<li>Removed Site Health focus area – added “LEGACY” to <a href="https://github.com/WordPress/performance/labels/%5BFocus%5D%20Site%20Health%20LEGACY">GH label</a> and <a href="https://github.com/WordPress/performance/projects/4">Project</a> and moved all active issues to an appropriate new focus area</li>
<li>Working on adding a list of focus areas to the Handbook</li>
<li>Call for leads for Database – <a href="https://profiles.wordpress.org/olliejones/" class="mention"><span class="mentions-prefix">@</span>olliejones</a> volunteered! Will update GH accordingly</li>
</ul>
</li>
</ul>
<h3 id="images">Images</h3>
<p><a href="https://profiles.wordpress.org/adamsilverstein/" class="mention"><span class="mentions-prefix">@</span>adamsilverstein</a> <a href="https://profiles.wordpress.org/mikeschroder/" class="mention"><span class="mentions-prefix">@</span>mikeschroder</a></p>
<p><a href="https://github.com/WordPress/performance/projects/1">GitHub project</a></p>
<ul>
<li><a href="https://profiles.wordpress.org/mxbclang/" class="mention"><span class="mentions-prefix">@</span>mxbclang</a>: Working on changing the image quality for WebPs in Performance Lab from 86 to 82: <a rel="noreferrer noopener" href="https://github.com/WordPress/performance/issues/563" target="_blank">https://github.com/WordPress/performance/issues/563</a></li>
<li><a href="https://profiles.wordpress.org/pbearne/" class="mention"><span class="mentions-prefix">@</span>pbearne</a>: Will investigate <a href="https://github.com/WordPress/performance/issues/562">https://github.com/WordPress/performance/issues/562</a> this week</li>
</ul>
<h4 id="feedback-requested">Feedback requested</h4>
<ul>
<li>See above</li>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+project%3AWordPress%2Fperformance%2F1+label%3A%22Needs+Discussion%22">Needs Discussion</a> (10 issues)</li>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+project%3AWordPress%2Fperformance%2F1+label%3A%22Needs+Review%22+">Needs Review</a> (1 issue)</li>
</ul>
<h3 id="object-caching">Object Cache</h3>
<p><a href="https://profiles.wordpress.org/tillkruess/" class="mention"><span class="mentions-prefix">@</span>tillkruess</a> <a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a></p>
<p><a href="https://github.com/WordPress/performance/projects/6">GitHub project</a></p>
<ul>
<li>No updates</li>
</ul>
<h4 id="feedback-requested-2">Feedback requested</h4>
<ul>
<li>See above</li>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+label%3A%22Needs+Discussion%22+project%3AWordPress%2Fperformance%2F6+">Needs Discussion</a> (4 issues)</li>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+label%3A%22Needs+Review%22+project%3AWordPress%2Fperformance%2F6+">Needs Review</a> (1 issue)</li>
</ul>
<h3 id="measurement">Measurement</h3>
<p>N/A</p>
<p><a href="https://github.com/WordPress/performance/projects/5">GitHub project</a></p>
<ul>
<li><strong>We’re seeking 1-2 POCs for this group; if you’re interested, please comment here or ping in Slack</strong></li>
<li><a href="https://profiles.wordpress.org/mxbclang/" class="mention"><span class="mentions-prefix">@</span>mxbclang</a>: Work continuing on defining the Plugin Checker plugin and getting close to engineering; more updates soon</li>
</ul>
<h4 id="feedback-requested-1">Feedback requested</h4>
<ul>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+label%3A%22Needs+Discussion%22+project%3AWordPress%2Fperformance%2F5+">Needs Discussion</a> (5 issues)</li>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+label%3A%22Needs+Review%22+project%3AWordPress%2Fperformance%2F5+">Needs Review</a> (1 issue)</li>
</ul>
<h3 id="javascript">JS &#038; CSS</h3>
<p><a href="https://profiles.wordpress.org/aristath/" class="mention"><span class="mentions-prefix">@</span>aristath</a> <a href="https://profiles.wordpress.org/sergiomdgomes/" class="mention"><span class="mentions-prefix">@</span>sergiomdgomes</a></p>
<p><a href="https://github.com/WordPress/performance/projects/3">GitHub project</a></p>
<ul>
<li>No updates</li>
</ul>
<h4 id="feedback-requested-3">Feedback requested</h4>
<ul>
<li><a href="https://github.com/WordPress/gutenberg/pull/41020">Tree-shaking block styles on the frontend #41020</a></li>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+label%3A%22Needs+Discussion%22+project%3AWordPress%2Fperformance%2F3+">Needs Discussion</a> (4 issues)</li>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+label%3A%22Needs+Review%22+project%3AWordPress%2Fperformance%2F3+">Needs Review</a> (2 issues)</li>
</ul>
<h3>Database</h3>
<p><a href="https://profiles.wordpress.org/olliejones/" class="mention"><span class="mentions-prefix">@</span>olliejones</a></p>
<p><a href="https://github.com/WordPress/performance/projects/7">GitHub project</a></p>
<ul>
<li>No updates</li>
</ul>
<h4 id="feedback-requested-1">Feedback requested</h4>
<ul>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+label%3A%22Needs+Discussion%22+project%3AWordPress%2Fperformance%2F7">Needs Discussion</a> (2 issues)</li>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+project%3AWordPress%2Fperformance%2F2+label%3A%22Needs+Review%22+">Needs Review</a> (2 issues)</li>
</ul>
<h2 id="infrastructure">Infrastructure</h2>
<p><a href="https://profiles.wordpress.org/flixos90/" class="mention"><span class="mentions-prefix">@</span>flixos90</a></p>
<p><a href="https://github.com/WordPress/performance/projects/2">GitHub project</a></p>
<ul>
<li><a href="https://profiles.wordpress.org/flixos90/" class="mention"><span class="mentions-prefix">@</span>flixos90</a>: Planning to get back to the <code>Server-Timing</code> API work this week and reviewing focus area updates in <a href="https://github.com/WordPress/performance/pull/566">https://github.com/WordPress/performance/pull/566</a> today</li>
</ul>
<h4 id="feedback-requested-1">Feedback requested</h4>
<ul>
<li>See above</li>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+label%3A%22Needs+Discussion%22+project%3AWordPress%2Fperformance%2F2+">Needs Discussion</a> (6 issues)</li>
<li><a href="https://github.com/WordPress/performance/issues?q=is%3Aopen+project%3AWordPress%2Fperformance%2F2+label%3A%22Needs+Review%22+">Needs Review</a> (3 issues)</li>
</ul>
<h2>Open Floor</h2>
<ul>
<li><a href="https://profiles.wordpress.org/flixos90/" class="mention"><span class="mentions-prefix">@</span>flixos90</a>: Identified and validated the main cause of the regression with <a href="https://profiles.wordpress.org/spacedmonkey/" class="mention"><span class="mentions-prefix">@</span>spacedmonkey</a> and it has been fixed. Will run another iteration of the same analysis for 6.1-RC3 today or tomorrow to verify that results have improved.
<ul>
<li><a href="https://profiles.wordpress.org/olliejones/" class="mention"><span class="mentions-prefix">@</span>olliejones</a>: What was it?</li>
<li><a href="https://profiles.wordpress.org/flixos90/" class="mention"><span class="mentions-prefix">@</span>flixos90</a>: Was caused by a bug in https://core.trac.wordpress.org/ticket/39210. Research has not yet been published as wanted to see how the situation evolves, but fair to say that we got the perfect outcome and it shows how important performance analyses are. Will write a summary with concrete numbers up next week and publish after 6.1 launch.</li>
</ul>
</li>
</ul>
<p><strong>Our next chat will be held on <a href="https://www.timeanddate.com/worldclock/fixedtime.html?iso=20221101T1600"><abbr class="date" title="2022-11-01T16:00:00+00:00">Tuesday, November 1, 2022 at 12pm EDT</abbr></a> in the <a href="https://wordpress.slack.com/messages/core-performance/">#core-performance channel</a> in <a href="https://make.wordpress.org/chat/">Slack</a>.</strong></p>
<p><a href="https://make.wordpress.org/core/tag/core-js/" class="tag"><span class="tag-prefix">#</span>core-js</a>, <a href="https://make.wordpress.org/core/tag/core-media/" class="tag"><span class="tag-prefix">#</span>core-media</a>, <a href="https://make.wordpress.org/core/tag/performance/" class="tag"><span class="tag-prefix">#</span>performance</a>, <a href="https://make.wordpress.org/core/tag/performance-chat/" class="tag"><span class="tag-prefix">#</span>performance-chat</a>, <a href="https://make.wordpress.org/core/tag/summary/" class="tag"><span class="tag-prefix">#</span>summary</a>, <a href="https://make.wordpress.org/core/tag/hosting-community/" class="tag"><span class="tag-prefix">#</span>hosting-community</a></p>
<p class="o2-appended-tags"><a href="https://make.wordpress.org/core/tag/meta/" class="tag"><span class="tag-prefix">#</span>meta</a></p>
</div>

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