Gutenberg: v10.5.x plugin upgrade

[fullofcaffeine]

Previous upgrade: #51767
Release notes: 10.5.0-rc.1, 10.5.0, 10.5.1, 10.5.2

Process

• Install and activate
  • Copy & install v10.5.0-rc.1 (D60500-code, D60502-code
  • Activate v10.5.0-rc.1 on edge (D60503-code)
  • Copy & install v10.5.0 (D60761-code, D60763-code)
  • Activate v10.5.0 on edge (D60764-code)
  • Copy & install v10.5.2 (D60798-code, D60799-code)
  • Activate v10.5.2 on edge (D60800-code)
  • Copy & install v10.5.3 (D60977-code, D60980-code)
  • Activate v10.5.3 on edge (D60981-code)
  • Activate v10.5.3 on production (D60504-code)
  • Request the AT upgrade (p9o2xV-1nz-p2)
  • Copy & install v10.5.4 (D61028-code, D61029-code)
  • Activate v10.5.4 on edge (D61031-code)
  • Activate v10.5.4 on production (D61033-code)
  • Request the AT upgrade (p9o2xV-1oe-p2)
• Testing
  • Calypso E2E (E2E fixes for Gutenberg v10.5.x #52183)
  • Team City (D60504-code)
• Publish internal announcements
• 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 🙅‍♀️

TBD

Other issues 🐛

• Disable the block template creation feature for classic themes (see: p1620175825484800/1619711505.373400-slack-C7YPUHBB2)

• Classic: Infinite content duplication loop when wrapping with anchor tag #29338

  • Reported in: p1613735197155300/1613458151.107400-slack-CBTN58FTJ

• Search block's button padding is broken

  • Reported here: Broken padding in Search block's button WordPress/gutenberg#29952

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cc @inaikem

[WunderBart]

A good one to track with this release (it's broken on Simple sites only): #52020.

[fullofcaffeine]

Smoke-test WordPress/gutenberg#30438, as it should be enabled in dotcom for the 10.5.0 release. More details: p1619078723259800/1619044677.257100-slack-C7YPUHBB2 and p1619078653048200-slack-C01DF571R5Y. cc @simison @jeffikus

[andrewserong]

Hi folks, I wasn't quite sure where to report this because I'm not sure yet of the cause (e.g. is it a Jetpack bug or a Gutenberg one?), but with 10.5.0 RC 1 active, I notice some of the Jetpack Button blocks aren't rendering correctly. For example, the Premium Content block on the front end of a site running Barnsbury theme with the Gutenberg Edge sticker applied:

Then, if you add a core Buttons block to the page (which will then enqueue the Buttons block default styling), the button styling provided by the Barnsbury theme gets overridden (though it kind of fixes part of the original issue):

I'm at the end of my week, so ran out of time to investigate further. Let me know if you need me to write up a separate issue and I can do that on Monday!

[fullofcaffeine]

Next one: #52595.