This module makes all menus collapsible for all users.
Second level menus are collapsed by default.
No configuration is needed.
Known issues / Roadmap
The visual hint is initially in state 'collapsed' when is actually 'expanded' (this is Odoo's menu standard mechanism).
Bugs are tracked on GitHub Issues. In case of trouble, please
check there if your issue has already been reported. If you spotted it first,
help us smashing it by providing a detailed and welcomed feedback.