This version is a bug fix version. Shutdown & Restart are working properly, network setting is working fine, Chinese language is now downloadable, Firmware updates is now faster, Addons installation works fine.
You won’t need to download the ISO of the new version, just use the Update feature in the menu and you’ll get the new full new version including Beta-4 and the final release. You’ll see many updates for all components , update it when it’s available.