I have found a couple of bugs in the toolbar docking system, let's see if you can reproduce this:
BUG 1: reappearing toolbars
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- make a fresh install under Windows (removing previous default.conf)
- undock one (or more) toolbars, and close them clicking on their close button
- undock another toolbar, and the ones you closed before reappear again (undocked and apparently in their same position as before being closed)
BUG 2: docking beyond window width
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- Close all toolbars but code completion, main and compiler
(use the menu so that they won't reappear)
- Undock main and compiler toolbars, leave code completion at the left
- Redock both toolbars. Even if you try to place them under code completion toolbar, they are always added at its right. With my current window width (non fullscreen), I can't even see the rightmost toolbar.