This release fixes a bug in the service definition that was forgotten in version 5.0.5.
About Contao 5.0
The first stable version of Contao 5.0 has been released on 18 August 2022 and will be the successor of Contao 4.13. 5.0 has been updated until 14 February 2023, after which it has been replaced by Contao 5.1.