WordPress 6.5 compatibility

[jeherve]

WordPress 6.5 is set to release on 26 March 2024.

• Planning: make.wordpress.org/core/6-5

Let's use this issue to keep track of anything that may come up until then.

Tasks

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1. WordPress Compatibility: update our "tested up to" version to 6.5 #35622
   General [Pri] Normal [Type] Janitorial +3
   
2. WP 6.5 compat: unification of the site and post editors #36186
   [Focus] Blocks [Plugin] Jetpack [Type] Janitorial +3
   
3. Updates to the HTML API
4. Introducing Plugin Dependencies
5. Miscellaneous developer changes
6. Miscellaneous Editor changes in WordPress 6.5
7. Issue with Google Fonts persistence after Jetpack deactivation in WordPress 6.5 (RC2) #36371
   Triaged [Feature] Google Fonts [Focus] Compatibility [Plugin] Jetpack [Pri] Normal [Status] Priority Review Triggered [Type] Bug +7
   

And in a follow-up plugin release (most likely the May release, 13.4), to give folks time to update:

Tasks

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1. General: update WP version requirements to WordPress 6.4 #37047
   Actions General [Package] Compat [Plugin] Automattic For Agencies Client [Plugin] Backup [Plugin] Inspect [Plugin] Jetpack [Plugin] Migration [Plugin] Protect [Plugin] Search [Plugin] Social [Plugin] Starter Plugin [Plugin] Super Cache [Plugin] VideoPress [Pri] Normal [Status] Needs Team Review [Tools] Development CLI [Type] Janitorial +18
   
2. General: remove backwards-compatible code for versions < 6.4 #37049
   [Feature] SSO [Package] Connection [Plugin] Jetpack [Pri] Normal [Type] Janitorial +5
   
3. Janitorial: use wp_admin_notice function introduced in WP 6.4 #37051
   Docs [Feature] Ad [Feature] Contact Form [Feature] Masterbar [Feature] VideoPress [Focus] Compatibility [Package] Connection [Package] Forms [Package] Jetpack mu wpcom [Plugin] Automattic For Agencies Client [Plugin] Backup [Plugin] Beta [Plugin] Boost [Plugin] CRM [Plugin] Debug Helper [Plugin] Jetpack [Plugin] Migration [Plugin] Protect [Plugin] Search [Plugin] Social [Plugin] Starter Plugin [Plugin] Super Cache [Plugin] VaultPress [Plugin] VideoPress [Pri] Normal [Type] Janitorial [mu wpcom Feature] Import Customizations +27
   
4. Consider using new prime options (dev note)
5. Enhancement: avif support for Photon #35432
   Customer Report Triaged [Feature] Photon [Plugin] Boost [Plugin] Jetpack [Pri] Normal [Type] Enhancement +7
6. Editor: remove deprecated isPressed prop in WP 6.5. #36318
   [Block] Paid Content [Extension] AI Content Lens [Focus] Blocks [Package] VideoPress [Plugin] Jetpack [Pri] Normal [Status] Needs Team Review [Type] Janitorial +8
   

Once WordPress 6.5 is the minimum required version in Jetpack, we can consider implementing the following changes:

Tasks

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1. AI Excerpt: switch to using the PluginPostExcerpt Slot Component #36317
   [Extension] AI Content Lens [Pri] Normal [Type] Janitorial +3
   

In addition to the above, we can follow the dev-notes that will drop here about the release:
make.wordpress.org/core/tag/dev-notes+6-5

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For reference: prior art for WordPress 6.4 compat: #32865

[jeherve]

At this point this issue can be marked as closed. The remaining tasks remain opened and can be tackled independently in the future.