Fix error that may occur during account creation when "Always email watched threads" per-user registration default is not set
Fix blocking unknown post notifier actions from working (only errors in development mode) Thread Starter Alerts v2.1.0+ compatibility
Fix "Thread starter alerts" add-on support Only display the per-user "Always email watched thread notifications" option if it is globally enabled
Fix cases where "Allow always emailing watched threads" option did not always trigger
Minor code maintenance This add-on appears to have no compatibility issues with XF2.1
Support always sending full message text for welcome conversations
Actually apply user registration defaults on account creation Fix added email preferences not displaying Require XF 2.0.4+
Fix potential error on replying to a conversation
