To replace the previous detached commit window, JetBrains created in recent versions of IntelliJ IDEA, PyCharm, ... a new commit tool window (described here).
For some reasons, I was not getting the last versions of several plugins and then PyCharm crashed and there it is after restarting! Sorry for the useless issue...
To replace the previous detached commit window, JetBrains created in recent versions of IntelliJ IDEA, PyCharm, ... a new commit tool window (described here).
The Gitmoji plugin is not working in that window.
PyCharm 2022.1 (Build #PY-221.5080.212) macOS Monterey (Version 12.2.1)