Windows 10 hiding taskbar in multi-monitors setup bug.

This bug persists since windows 8.1 and is already discussed
here, but it wasn't fixed in approx. half a year :( So, I'm gonna give it a try here.
Here's the screenshot of it in Windows 10.
Well, the bug is with incorrectly disappearing taskbar - taskbar "hides" not in the bottom of the screen, but "taskbar height pixels" higher (see the images in onedrive folder below). It hides in such a way only when you go to start screen
with visible taskbar, wait until it disappears and return to desktop in any way (by pressing the win key, by selecting desktop on startscreen or by clicking the windows logo in the lower left corner);  this bug only appears with two monitors setup and
heavily depends on monitors position - the secondary monitor bottom should be below primary monitor bottom (I mean not physical location, of course, but monitors' relative location in "Screen resolution" menu). The bug didn't appear before Update
1; I can't confirm whether it is reproduceable only on my PC at the moment.
I have reproduced the bug on windows 8.1 U1 across several computers with 100% success rate: two macbooks pro retina, lenovo laptop, two desktops (on one of them I reproduced the bug via teamviewer). I've reproduced it today in VMWare with windows 10 Technical
Preview.
This bug is really annoying - when it happens, you need "to cast some magic" - move the mouse to the bottom of the screen, activate/deactivate several applications, etc. in order for taskbar to reappear properly, let alone the fact that it looks
unaesthetic.
Skydrive folder with bug screenshot
Screen recording of the bug
Step-by-step guide with screenshots

Yeah, I already did it. I just wanted to open it here, because I've been trying to contact MS about this bug for almost half a year with no success, so I'm just trying to bring their attention to this thing in all ways possible. I could reproduce this bug
on all the systems I've tried so far, and I've managed to reproduce it even on VMWare in newly-installed windows 10 TP in a single try.
@rgggg
I can't understand what do you mean by weakness in graphics. It's a 100% functionality bug. Also, of course, I have nothing to do except reporting some non-existent bugs, making fake screenshots etc. I can't understand what do you mean about "intermediate
servers", and it's almost impossible to change every Windows iso distributive I've downloaded in such a way that this bug will appear there :D
C:\Users\Sfairat>fciv -both D:\Downloads\WindowsTechnicalPreview-x64-EN-US.iso
// File Checksum Integrity Verifier version 2.05.
MD5 SHA-1
9005dce26734bcde7f912c2c51ab1127 eb75a3d3c0f621f175b75dc65db036d0e00eac43 d:\dow
nloads\windowstechnicalpreview-x64-en-us.iso

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    Arjan Gelderblom
    Edit: changed topic title to have it apply better to it's content
    Last edited by Bloged (2009-12-14 10:02:47)

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