Article: https://wordpress.org/documentation/article/wordpress-block-editor/

Update for 6.4

• Show message when Visual or Code editor are disabled 52737

Reference

• Pls refer for the previous versions tasks here

General

• Convert all reusable blocks to a ‘regular block’.
• Update the changelog at the end of the article

Good first issues

If you are looking for simpler tasks, take a look at related good first issues:

• Check ALT attributes: [HelpHub][6.4][ALT]: WordPress Editor #1267
• Check headings: [HelpHub][6.4][headings]: WordPress Editor #1268
• Update screenshots: [HelpHub][6.4][screenshots]: WordPress Editor #1269
• Update videos: [HelpHub][6.4][videos]: WordPress Editor #1270