Not anymore related to a plugin but to the core

ref [9.5.6] Visibility of tickets in status New: all technicians can see those tickets vene if they are not actors · Issue #9825 · glpi-project/glpi (github.com)

they should also be able to validate the change (business side view)

Hello, no news on this?

https://github.com/glpi-project/glpi/issues/442