Search by sender, quick read, then mark as read, without the hassle.
- Install the script using a user script engine (eg: Install Tampermonkey on Chrome first)
- Start with a search filter like:
category:updates -is:starred is:unread
- Click button
1. Search 1st
to search by sender of the first message in the list - See message list to confirm that they are not important
- Click button
2. Mark All Read
. The UI should automatically go back to step 1