on https://online-go.com/play when someone creates custom game with unusual settings warning triangle is displayed
when I hover with mouse over it, “?” adds to cursor icon, but no orange box explanation appears about what exactly is strange with custom game even after click
on profile page when you click in game history with mouse wheel button or Ctrl+click on one of games, 2 tabs are opening in browser with a game instead of 1
when you right click and select “open link in new tab”, then it correctly opens 1 tab with a game