How to Open Firefox New Tabs next to the last tab

If you update firefox and when clicking on the ''Open in new Tab'' its opens the page next to the current tab follow the steps below to disable the feature and make the news tabs in firefox open in the last.

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1. Open Firefox
2. Enter “about:config” in the URL and press Enter
3. This will invoke a warning message ” as shown below, Click on the “I’ll be careful, I promise ” button to open the setting page.
   

   This warning is displayed when you open about:config

4. Locate the Filter text box and enter “browser.tabs.insertRelatedAfterCurrent”
5. This will show the key and its value below (which will be enabled)
6. Double Click on the option to Disable it.
7. Restart Firefox

 

 

credit to Ramkumar