Gutenberg: v12.6.x plugin upgrade

[gutenberg-plugin-upgrade-bot]

Previous upgrade: #60500
Release notes: v12.6.1

Install and activate

• Copy & install v12.6.0-rc.1 (D74692-code, D74701-code)
• Activate v12.6.0-rc.1 on edge (D74709-code)
• Copy & install v12.6.0 (D75123-code, D75124-code)
• Activate v12.6.0 on edge (D75125-code)
• Activate v12.6.0 on production (D74712-code)
• Request v12.6.0 AT upgrade (p9o2xV-1SE-p2)
• Copy & install v12.6.1 (D75588-code, D75590-code)
• Activate v12.6.1 on edge (D75592-code)
• Activate v12.6.1 on production (D75593-code)
• Request v12.6.1 AT upgrade (p9o2xV-1Uo-p2)

Testing

• v12.6.0 Desktop viewport E2E
• v12.6.0 Mobile viewport E2E
• v12.6.0 WPCOM core (######-code)
• v12.6.1 Desktop viewport E2E
• v12.6.1 Mobile viewport E2E
• v12.6.1 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.

Blockers 🤷‍♀️

Other Issues 🐛

Issues transferred from previous release(s)

---

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

[gutenberg-plugin-upgrade-bot]

Automated update:
Copy step for v12.6.0-rc.1 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:
Installation of v12.6.0-rc.1 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:

• v12.6.0-rc.1 activation on edge marked as complete.
• Release notes updated to v12.6.0-rc.1

[gutenberg-plugin-upgrade-bot]

Automated update:
Copy step for v12.6.0 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:
Installation of v12.6.0 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:

• v12.6.0 activation on edge marked as complete.
• Release notes updated to v12.6.0

[gutenberg-plugin-upgrade-bot]

Automated update:

• v12.6.0 activation on production marked as complete.
• Release notes updated to v12.6.0

[gutenberg-plugin-upgrade-bot]

Automated update:
AT upgrade to v12.6.0 has been requested

[gutenberg-plugin-upgrade-bot]

Automated update:
Added tasks for v12.6.1

[gutenberg-plugin-upgrade-bot]

Automated update:
Copy step for v12.6.1 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:
Installation of v12.6.1 marked as complete

[gutenberg-plugin-upgrade-bot]

Automated update:

• v12.6.1 activation on edge marked as complete.
• Release notes updated to v12.6.1

[gutenberg-plugin-upgrade-bot]

Automated update:

• v12.6.1 activation on production marked as complete.
• Release notes updated to v12.6.1

[gutenberg-plugin-upgrade-bot]

Automated update:
AT upgrade to v12.6.1 has been requested