[peterwilsoncc]

Makes the following changes to the On This Day dashboard widget:

• Displays up to 100 posts
• Sets the feature as opt-in, per my comment on the ticket regarding the potential for these features to be upsetting.
• Adds a wp prefix in a bunch of places (mainly IDs and classes)
• tidy up the test suite a bit to include assertion messages, remove remove_filter where it's not needed, use the get_echo() helper.

Trac ticket: https://core.trac.wordpress.org/ticket/65116

Use of AI Tools

• Claude Opus 5.5 Medium
• Not used for source changes
• Used for the following in the test suite:
  • Clean up to use get_echo() helper
  • Adding unique message parameters to tests with multiple assertions
  • drafting the tests for opt-in, opt-out and pre choice tests
  • drafting each test summary

[github-actions]

Test using WordPress Playground

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For more details about these limitations and more, check out the Limitations page in the WordPress Playground documentation.

Test this pull request with WordPress Playground.

[peterwilsoncc]

Is this better in another location?

[github-actions]

The following accounts have interacted with this PR and/or linked issues. I will continue to update these lists as activity occurs.

Core Committers: Use this line as a base for the props when committing in SVN:

Props peterwilsoncc, westonruter.

To understand the WordPress project's expectations around crediting contributors, please review the Contributor Attribution page in the Core Handbook.

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[peterwilsoncc]

@propsbot add Joen, fcoveram