Do M$ even have in-house testers these days?
I'd be quite surprised, after all, why pay professional testers - When customers will do it for free, and even pay for the privilege.
Fresh from nudging the October 2020 Update out of the door, Microsoft has emitted an update to next year's Windows 10 in the form of a fresh Insider Dev Channel build. Build 20241 has seen a return to form for the Windows team: anti-virus has been broken once again. This time it is Malwarebytes Web Protection, with the …
I'm testing out Edge and it doesn't cost me a bean (I'm the product etc)
... on Arch Linux. It looks quite cool with wobbly windows and translucency and all the other funky effects that Plasma delivers. It took about 30s to install and start.
One of my employees tells me his Win 10 2008 update or whatever the recent update is called that delivers Chromium Edge to Win 10, took 45 mins from first reboot to final desktop. wtf? I used to install Gentoo in that time. Admittedly compiling LO, FF and say Qt stuff took a while longer but it's a great way to warm up your lap on a cold winter's evening.
Microsoft is just like the House of Commons. They add new code to Windows 10 regardless of whether it's needed, while politicians add new unneeded laws to an already stacked pile. All to keep up the illusion they are necessary and worthy of the massive pay rises and bonuses they give themselves.
Windows 10 will be "improved" (into the ground) until the code base bloats to the point where it requires a fresh start and they wipe it out do it all over again.
...given we are talking about development software that's not intended for general use, this is appropriate advice.
Remember that Windows takes snapshots when upgrading, as well as keeping a Windows.old folder if you have the space to spare. It really does make it easy to revert with both System Protection (System Restore) and the recovery rollback options available.