Hi,
I like to use the standard browser shortcut ALT + 1 to go to the leftmost tab, ALT + 2 to go to browser-tab no. 2 etc.
But now, when I'm in Jira, this is obstructed, and I'm taken to the backlog when I press ALT + 1 for example.
I'm using Firefox on Ubuntu. It works well in Chromium.