Currently porting my add-on zopyx.plone.smashdocs to Plone 5.2/Python 3.
Under Plone 5.1/5.0 the add-on showed up under the extension profile while adding a new Plone site through the ZMI. This is no longer the case under Plone 5.2. Any changes here between Plone 5.0/5.1 and Plone 5.2?