.. include:: /Includes.rst.txt .. _deprecation-64134: ============================================ Deprecation: #64134 - Deprecate $BE_USER->OS ============================================ See :issue:`64134` Description =========== The public property in the global object `$BE_USER->OS` has been marked as deprecated. Affected installations ====================== Instances with extensions that make use of the public property directly. Migration ========= Use the constant `TYPO3_OS` directly. .. index:: PHP-API, Backend