The falling-out panels in the full screen mode

[ChromiumIQ]

We will consider your suggestion seriously.
There is already a mouse gesture action for Alt+X:"Show tab list menu".

Thanks for attention to my sentences. 

v3.0.4.27 [2017-11-10]
Upgraded to Chromium 62.0.3202.89
Added tips when failed to change shortcuts
Added shortcut Alt+A and Alt+N for "duplicate tab" and "pin tab"
Allow to load Flash plugin by default
Always allow to show tab list menu by Alt+X              To show the menu of the list of tabs in the full screen mode is necessary Alt+X
Long press restore button to show drop down menu
[Bug fixes]Text is copied repeatedly when selection changing
[Bug fixes]Ctrl+F always find the last content even if text selection changed
[Bug fixes]Alt+Up/Down doesn't work in some forumIt is necessary to correct, then it will be clear.

It is necessary to correct, then it will be clear.