Sharing in case this helps anyone. Since upgrading to 13.1, notifications have been severely problematic. Slow, delayed, clicking on Slack notifications would

Sharing in case this helps anyone. Since upgrading to 13.1, notifications have been severely problematic. Slow, delayed, clicking on Slack notifications would open the app minutes after the click. This stackexchange reply solved the problem for me: https://apple.stackexchange.com/a/219528/34701 https://apple.stackexchange.com/a/219528/34701 cd `getconf DARWIN_USER_DIR` rm -rf com.apple.notificationcenter killall usernoted; killall NotificationCenter # restart computer