Unity Documentation page shows “Unity 6.3 Alpha”

Unity: Documentation Tooling

6.3.X

Steps to reproduce:
1. Create a project
2. Help > Documentation
3. Observe the website that pops up

Actual results: “Unity 6.3 Alpha” is shown
Expected results: “Unity 6.3 Beta” is shown

Reproducible with versions: 6000.3.0b1
Not reproducible with versions: 2021.3.56f1, 2022.3.66f1, 6000.0.57f1, 6000.2.3f1

Tested on (OS): macOS Sequoia 15.4 (M4), Windows 11