Thanks for your reply Zlatan. Closing by marking as "Invalid" as cause of issue was never confirmed.
** Changed in: chromium-browser (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of UBUNTU - AL - BR, which is subscribed to Chromium Browser. https://bugs.launchpad.net/bugs/1121402 Title: New tab button sometimes open more tabs Status in Chromium Browser: New Status in chromium-browser package in Ubuntu: Invalid Bug description: When I click on "New tab" button in Chromium that opens 2-3 tabs, not only one tab. That appears some (90%) of time. This also affects Chrome. To manage notifications about this bug go to: https://bugs.launchpad.net/chromium-browser/+bug/1121402/+subscriptions -- Mailing list: https://launchpad.net/~linux-traipu Post to : linux-traipu@lists.launchpad.net Unsubscribe : https://launchpad.net/~linux-traipu More help : https://help.launchpad.net/ListHelp