Reduces the need to manually cycle through tabs, saving time.
   Enhances workflow efficiency when multitasking across multiple tabs.
   Aligns Firefox with features available in other modern browsers.
    

   I’m actively working on a task in tab #129 (e.g., writing an email).
   I periodically check the progress of a web app in tab #25.
   Instead of cycling through tabs using Ctrl+Tab or searching for the desired tab, I could simply press a "Recall" shortcut to toggle between these two tabs instantly.
    

Description: I would like to request the addition of a "Go to Last Used Tab" shortcut, also commonly referred to as a "Recall" feature. This functionality is extremely useful for quickly switching between the last two active tabs without needing to cycle through all open tabs. Currently, I use Ctrl+Tab to cycle through tabs in order and Ctrl+Shift+Tab to cycle in reverse order. While this works, it is not ideal for scenarios where I frequently need to switch between two specific tabs (e.g., tab #25 for monitoring the progress of a web app and tab #129 for working on an email). In such cases, having a dedicated shortcut to jump directly to the last used tab would significantly improve productivity and usability. Proposed Solution: Add a new keyboard shortcut (e.g., Ctrl+Backtick or a user-configurable option) that allows users to instantly switch to the last used tab. Benefits: Reduces the need to manually cycle through tabs, saving time. Enhances workflow efficiency when multitasking across multiple tabs. Aligns Firefox with features available in other modern browsers. Use Case Example: I’m actively working on a task in tab #129 (e.g., writing an email). I periodically check the progress of a web app in tab #25. Instead of cycling through tabs using Ctrl+Tab or searching for the desired tab, I could simply press a "Recall" shortcut to toggle between these two tabs instantly. This feature would greatly enhance the user experience, especially for power users who frequently switch between tabs.