Running M-x magit-branch generates the following error:

transient-setup: Symbol’s function definition is void:
transient-prefix-object

In order to reproduce:

guix shell emacs emacs-magit -- emacs -Q

M-x magit-version
Magit 3.3.0-8.538cb2f, Transient 0.7.3, Git 2.45.2, Emacs 29.4, gnu/linux