Editor displays “Beta” on 6000.1.0f1 Unity version

Steps to reproduce:

1. Create a new project in 6000.1.0f1 version
2. Observe the title bar

Actual results: The title bar still contains “Beta” in it

Expected results: The title bar should no longer contain “Beta” in it 

Reproducible with versions: 6000.1.0f1

Tested on (OS): MacBook Pro, 2021 (Apple M1 Mac), Sequoia 15.3.2

Notes:

• the “About Unity” window also states “Unity 6.1 Beta”