Rules are not triggering / no notification history

Some device manufacturers (such as Xiaomi and Oppo) have extremely aggressive battery management that prevents apps like BuzzKill from running in the background. This manifests in missing notifications from the history section and rules not triggering correctly. Here are some steps you can take to try and improve it:

• All devices
  • Open system settings, open apps, open BuzzKill and disable any battery/power saving options that could prevent BuzzKill from running.
  • Open system settings, open accessibility and enable BuzzKill in there
• Xiaomi only
  • Open system settings, open apps, open BuzzKill and enable “Allow restricted settings”.
  • Open the recent apps section, long press the BuzzKill app and press the “lock button”
• Oppo/OnePlus/Realme only
  • Open system settings, open battery, open “App battery management” (on some versions this is under “More settings” or “Power saving”), open BuzzKill and enable “Allow background activity”, “Allow foreground activity” and “Allow auto launch”. If there is an “Allow background running” toggle, enable it too.
  • Open system settings, open apps, open “Auto launch” (sometimes called “Startup manager”) and enable BuzzKill.
  • Open the recent apps section, tap the menu icon in the corner of the BuzzKill card and press “Lock” so it is not cleared from memory.
  • Open system settings, open battery and disable “Sleep standby optimization” and any “Power saving” or “Super power saving” modes.

After changing any of these settings, restart your device as that will give BuzzKill the chance to restart. Opening the BuzzKill app will not fix the issue, a device restart is required.