In a repository with gitflow support, there should actually be an entry in the context menu. But I can't find it.
TortoiseGit 2.17.2.0 (20250716-9e58cb7
git version 2.50.1.windows.1
git flow version 1.12.3 (AVH Edition)
Betriebsystemname Microsoft Windows 11 Business
Version 10.0.26100 Build 26100