26.4-RC1

Changes compared to: 26.3

Bugfixes:

• Fixes a bug for users who have the Site Kit integration enabled, where a fatal error would be thrown for edge cases, like when custom code intervened with the default WP login flow. #22690
• Fixes a bug in the Settings page where the advanced tab would close when selecting one of its options or other options after visiting the advanced tab. #22681

Other:

• Improves performance when author archives are disabled and an author is created. Props to ErikBrendel. #22676
• Adds the Yoast siblings and subpages premium blocks to the Yoast custom blocks menu tab in pages. #22635
• Adds a button for using AI to generate custom an SEO title or meta description in the pre-publish sidebar of the block editor, if all recent posts have been using default SEO data. #22623

Non user facing:

• Removes unused function from the ParagraphTooLongAssessment.js file. #22648
• Adds missing unit tests for the KeyphraseLengthAssessment.js file. #22648
• Add tips about addons in the FTC. #22688
• Removes the llm txt opt in notification from First Time Configuration tab. #22667
• Removes the text color for the Plans menu item in the admin bar menu. #22658