This release fixes first bugs that hindered the installation with the upcoming Contao Manager version 1.6. So you can expect that the next iteration of the Manager will be released soon.
About Contao 5.0
The first stable version of Contao 5.0 was released on 18 August 2022 and will be the successor of Contao 4.13. 5.0 will be updated until 14 February 2023, after which it will be replaced by Contao 5.1.