User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:18.104.22.168) Gecko/20091016 Firefox/3.5.4 Build Identifier: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:22.214.171.124) Gecko/20091016 Firefox/3.5.4 There is shortcut Ctrl+Number in Windows and ⌘+Number on Mac to quickly switch to a tab. Unfortunately, someone decided to duplicate this feature on Mac using ⌥+Number. There's a plenty of non-US keyboard layouts, that use ⌥+Number to produce some symbol (accented character, punctuation etc...). It works everywhere but Firefox. Because of this, ⌥+Number shortcuts should be disabled. We have ⌘+Number anyway. Reproducible: Always Steps to Reproduce: 1. Install some non-US layout 2. Type ⌥+2,⌥+3,… to type some accented symbols 3. ????? 4. PROFIT!!! Actual Results: Tab switch. Expected Results: Entered the character.
Do you have any extensions installed? AFIK by default, Firefox doesn't make use of Opt+number to switch tabs.
You have right, that was Speed Dial extension.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 9 years ago
Resolution: --- → INVALID
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