The edit post permalink button is totally removed ( not hidden with css ) from the edit view - but the slug is still editable from both the Quick Edit view and also via the "slug" panel which I can show from Screen Options.
I am looking for some hints ( wp filters or JS perhaps ) which will help me locate the code which is removing this feature.
Checking the other post types, I can edit permalinks normally on pages.
Things I have done:
Things I will do, if no handy search hints help me locate the issue:
Edit Post view:
Quick Edit view:
Post edit slug meta box:
Edit page view:
CPT with rewrite => false: