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Windows 10: Mozilla Firefox: 4t Tray Minimizer actions don't work for its titlebar buttons

Problem description

The issue happens because Firefox uses its own titlebar buttons instead of using the standard windows titlebar buttons.

Solution

Force Firefox to use the standard titlebar buttons:

1. Type about:config in the Firefox address bar and press Enter to open the advanced options
2. Click I accept the risk! button if a warning page appears
3. In the Search field, enter titlebar
4. Double click browser.tabs.drawInTitlebar to set value to false. Now Firefox will use the standard titlebar buttons


It can be an alternative solution

We are considering a new feature for next versions: actions for clicking into user-defined rectangles in favorite applications.

You can vote it in our wish list.