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Though I wasn't able to trigger this issue myself, I found what seems to be a corresponding bug report in Debian. ** Bug watch added: Debian Bug tracker #897980 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=897980 ** Also affects: chromium-bsu (Debian) via https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=897980 Importance: Unknown Status: Unknown ** Tags added: eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856621 Title: chromium discatches mouse when left click To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-bsu/+bug/1856621/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs