Post 7.0 branching changes

[desrosj]

This includes all the changes required post-branching for trunk.

Trac ticket: Core-64966.

Use of AI Tools

AI assistance: None

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This Pull Request is for code review only. Please keep all other discussion in the Trac ticket. Do not merge this Pull Request. See GitHub Pull Requests for Code Review in the Core Handbook for more details.

[github-actions]

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Props desrosj.

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[desrosj]

Noting this may need to be changed before commit.

[github-actions]

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[desrosj]

Merged in r62160.