Add user-watching users to the cache and disable bugmail for them as well. Had previously overlooked that the users not directly related to a bug -- but watching another user that is -- would get an email.
Add user-watching users to the cache and disable bugmail for them as well.
Had previously overlooked that the users not directly related to a bug
-- but watching another user that is -- would get an email.

dnozay/Bugzilla-Extension-MultipleEditNoEmail