Breaking: #82296 - Removed constant TYPO3_user_agent¶
See Issue #82296
The unused PHP constant
TYPO3_user_agent containing information of the User Agent string sent
for requests by TYPO3, has been removed.
Calling the constant will result in a PHP fatal error.
TYPO3 installations with third-party extensions that make use of the PHP constant.
The extension scanner checks if the constant is used.
Any extension authors are encouraged to use php: