There is no update mandate, especially if it's to a beta like the 9.07 you are using. As the warning states: These beta-prerelease versions have not completed testing and may have bugs, crash or otherwise malfunction. Use them at your own risk. They are provided strictly as-is. Report issues here.
Install this and the green should vanish.
Newer versions can always be test driven, to check out features - and quirks. Suggest waiting until they have proven to be solid. Release 8.45 is very stable.