@jw-sbat Always make sure the plugins you are using are working fine before deploying to production. Even if the plugin doesn't specify compatibility directly it could still work. That property specifies a minimum nodebb version.
Topic watching change
Please see https://github.com/NodeBB/NodeBB/pull/4662
If you have a custom theme that has a
partials/topic/watch.tplyou will need to update it for 1.1.0.
You can see the changes you need to make in https://github.com/NodeBB/nodebb-theme-persona/pull/278/files
Persona, vanilla and lavender themes are already updated.