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

Update for 6.7

• Update: Move template areas into a panel. (62033)

General

• Make sure all screenshots are relevant to the latest version
• Make sure videos, if any, are up to date
• Add ALT tags for the images
• Make sure the headings are in sentence case
• Convert all reusable blocks to a ‘regular block’.
• Update the changelog at the end of the article

Notes

• Some PRs have great videos that can be added to the article.