Gutenberg: v11.9.x plugin upgrade

[fullofcaffeine]

Previous upgrade: #57251.
Release notes: v11.9.1

Install and activate

• Copy & install v11.9.0-rc.2 (D69720-code, D69721-code)
• Activate v11.9.0-rc.2 on edge (D69723-code)
• Copy & install v11.9.0-rc.3 (D69772-code, D69777-code)
• Activate v11.9.0-rc.3 on edge (D69779-code)
• Copy & install v11.9.0-rc.4 (D69882-code, D69894-code)
• Activate v11.9.0-rc.4 on edge (D69894-code)
• Copy & install v11.9.0 (D69926-code, D69929-code)
• Activate v11.9.0 on edge (D69951-code)
• Activate v11.9.0 on production (D69724-code)
• Request v11.9.0 AT upgrade (######-p2)
• Copy & install v11.9.1 (D70191-code, D70192-code)
• Activate v11.9.1 on edge (D70193-code)
• Activate v11.9.1 on production (D69919-code)
• Request v11.9.1 AT upgrade (p9o2xV-1IV-p2)

Testing

• v11.9.0 Desktop viewport E2E
• v11.9.0 Mobile viewport E2E
• v11.9.0 WPCOM core (D69919-code)
• v11.9.1 Desktop viewport E2E
• v11.9.1 Mobile viewport E2E
• v11.9.1 WPCOM core (######-code)

Publish internal announcements

• Slack: #team-calypso
• Slack: #wpcom-happy-announce
• P2: wpcomhappy

Wrap-up

• Clean up unused releases
• Add log entry to the Gutenberg Upgrade Log (pcoGjb-g-p2)
• Open a new issue for the next upgrade, transfer remaining tasks, close this issue.
• Post a heads-up to wpcomhappy about the fact that the paragraph's line-height setting is not shown by default , but should be added to the Typography panel before being used. Screencast here: p1636565831292900/1636417237.235700-slack-C7YPUHBB2

Blockers 🤷‍♀️

Other Issues 🐛

• To be fixed via Cover Block: Fix regressions WordPress/gutenberg#36406:

  • Cover Block Overlay – Color no longer applied when adding / editing Cover blocks #57711, present in 11.8.1 too, fixed in Cover Block: Fix default background dim WordPress/gutenberg#36312 and released in 11/9.0 RC3 and 11.8.2.
  • Image Block: Text Over Image feature behaves unexpectedly (the opacity on the Cover block bumped to 100%) #57884, present since 11.8

• Site editor changes and fixes in 11.9:

  • Nav Unification: migrate new Site Editor location jetpack#21691 / D69833-code
  • Site Editor e2e - update selectSiteEditor sidebar method for new entry point. #57906
  • Fix Site Editor close button for G v11.9 #57909
  • Fix Site editor close button slot/fill for 11.9 #57956
  • Fix Global Styles tracking for v11.9 #57957
  • Site Editor loading - wp-admin nav menu present during loading process. #57971
  • Revert "Fix Site editor close button slot/fill for 11.9" #58190

• Perf improvement: Make sure we don't use uncached queries on WP_Theme_JSON_Resolver_Gutenberg::get_user_data()

  • Patched for 11.9.1 in simple sites: D70208-code by @xknown
  • AT fix pending approval of upstream PR: Add caching to WP_Theme_JSON_Resolver_Gutenberg::get_user_data_from_custom_post_type() WordPress/gutenberg#36584

Issues transferred from previous release(s)

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cc @Automattic/gutenberg-upgrades @Automattic/cylon @simison

[gutenberg-plugin-upgrade-bot]

Automated update:
Added tasks for v11.9.0-rc.4

[gutenberg-plugin-upgrade-bot]

Automated update:
Copy step for v11.9.0-rc.4 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:
Installation of v11.9.0-rc.4 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:

• v11.9.0-rc.4 activation on edge marked as complete.
• Release notes updated to v11.9.0-rc.4

[gutenberg-plugin-upgrade-bot]

Automated update:
Copy step for v11.9.0 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:
Installation of v11.9.0 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:

• v11.9.0 activation on edge marked as complete.
• Release notes updated to v11.9.0

[gutenberg-plugin-upgrade-bot]

Automated update:
Added tasks for v11.9.1

[gutenberg-plugin-upgrade-bot]

Automated update:
Copy step for v11.9.1 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:
Installation of v11.9.1 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:

• v11.9.1 activation on edge marked as complete.
• Release notes updated to v11.9.1

[gutenberg-plugin-upgrade-bot]

Automated update:

• v11.9.1 activation on production marked as complete.
• Release notes updated to v11.9.1