Gutenberg: 9.3 Plugin Upgrade

[ockham]

Previous upgrade: #46314

Process

• Install and activate on edge sites
  • Copy 9.2.2 to 9.3.0 (r216208-wpcom)
  • Activate 9.3.0 on edge (D52323-code) (D52300-code) (r216210-wpcom; reverted by r216349-wpcom)
  • Install 9.3.0 plugin version (D52273-code)
• Testing (need to re-run these when we actually activate 9.3.0 on edge):
  • Calypso e2e Gutenberg: Run E2E suite against Gutenberg v9.3 #47455 (Gutenberg: Run E2E suite against Gutenberg v9.3 #47184) (Gutenberg: Run E2E suite against Gutenberg v9.3 #47096)
  • TC (D52264-code)
• Publish a Call for Testing post
• Update to stable release
• Activate upgrade for all sites
  • First attempt (D52264-code)
  • Revert upgrade 😢 (D52818-code). Reason: The upgrade broke the Premium Content block (part of the Editing Toolkit Plugin).
  • Fixed Premium Content block (ETP: Premium Content: Remove __experimentalAlignmentHookSettingsProvider dep #47467) and released as part of ETP 2.8.6.
  • Second attempt (D52940-code)
  • Debrief (p58i-9K9-p2)
• Request update for Atomic sites
  • First attempt (p9o2xV-19f-p2)
  • Downgrade request (p9o2xV-19h-p2) b/c of Premium Content block issue, see above
  • Second attempt (p9o2xV-19s-p2)
• Publish internal announcements (p7DVsv-9RP-p2)
• Clean up unused releases
  • 9.0.0 (D52179-code)
  • 9.1.1
  • 9.2.0 (D52180-code)
  • 9.2.1 (D52181-code)
• Open a new issue for the next upgrade, transfer remaining tasks, close this issue.
• Update the Log of Update Attempts at coGjb-p2 (pcoGjb-n-p2)

Tasks

• Figure out (and fix) WSOD in the editor (see D52323-code).

Issues fixed by this release (close after activating!)

• Editing captions in the Gallery Block creates conflict (Editing captions in the Gallery Block creates conflict #46813)

[sirreal]

Logs: pcoGjb-n-p2

[ockham]

I think we can close this now 😌