Unlock Hidden Gems: Insider Secrets in WordPress 6.8 for Developers
You can find a best-practices guide for the 6.8 release on the Make WordPress Core blog. Following these best practices will help keep your code up to date with the latest standards and set you up better for future iterations of the API.
Block Hooks
The Block Hooks API received two major updates. The first extends the Block Hooks mechanism to post content, allowing you to dynamically insert hooked blocks directly into posts and pages. The second update lets Block Hooks work with synced patterns.