View mode tabs no longer visible in Drupal 8 I have added custom display settings on quite a few content types, see image below:


The view mode tabs have now all of a sudden disappeared. I tried to uninstall third party modules and rebuilt cache multiple times but without any luck:


What can I try from here? I'm on 8.0.0-beta15.
The block showing the secondary tab menu was disabled. In order to activate it, I had to pay /admin/structure/block/list/seven a visit and manually re-add the Tabs block to the Pre-content region.