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[Solved]A while back, I un-docked the DevTools and now unable to dock it back.

  • When I try to dock the un-docked DevTools window on Mac Catalina, the Opera crashes and restarts and keeps the DevTools undocked.

  • @vpatel Today I found the same bug with undocked DevTools. Here's how to fix it:

    1 – Close Opera
    2 – Open both Preferences & Preferences.backup json files:

    ~/Library/Application Support/com.operasoftware.Opera/Preferences
    ~/Library/Application Support/com.operasoftware.Opera/Preferences.backup
    

    3 – Update these settings & save

    "currentDockState":"\"right\"",
    "lastDockState":"\"right\"",
    "dock":{"state":true}
    

    4 – Open Opera
    5 – Open DevTools

  • Hey @felixexter Thanks a lot for the suggesting the fix. The issue is fixed now 👍

  • @felixexter Would you know how to solve this problem in Windows?
    I updated Opera to the latest version (67.0.3575.137), but it didn't work.

    I found these JSON files at: %appdata%\Opera Software\Opera Stable

    I changed it as shown, but the problem continued.

  • Strange ... his description is much the same as my earlier answer for Windows, so it should work - as long as Opera is not running when you do it.

  • @brnmatrix should be the same way updating these json files:

    C:\Users\username\AppData\Roaming\Opera Software\Opera Stable\Preferences
    C:\Users\username\AppData\Roaming\Opera Software\Opera Stable\Preferences.backup
    

    I didn't find that bug on Windows, but have another one:

    1. Undock DevTools
    2. Dock it back
    3. Click on 3 dots button.
    4. Opera crashes & reopens.
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