Just another reason to stay away from Windows as a platform. Windows 10 is a moving target if you are trying to work with it.
There is no reason to be dramatic.
Scripts that used #!/bin/bash still worked, scripts that actually used only sh syntax and #!/bin/sh still worked.
With Windows 10 I am sadly realising that I have very little control over when things change and even less knowledge of what those changes will be. For software, this is a nightmare. As a maintainer, I will never know what changes are going to affect my software if I am not informed.
As a user, I no longer know when a feature of my computer that I use daily will disappear. If I used cmd yesterday, will it disappear tomorrow?
Who wants to be the passenger let alone the driver of a car if it steers and accelerates randomly despite your best efforts to steer it and drive it? Would you get in a car that removed the gearstick without warning? Would you really want to be in a car that accelerated and steered at whim?
This is what Windows 10 feels like, particularly compared to my 20 years of using Windows prior to it (Win3.11, 95, 98, Me for a day, XP, Vista for as little as possible, 7 for a lengthy time). With each of those releases, updates were applied by me in a timely manner, with the crucial point being that I could apply updates when I found it applicable for my own personal machine. I could read up on the release notes for each update and service pack to see what was changed.
With Windows 10, I get updates applied in a phantom fashion and do not know what they contain. It's like Apple's vague "fixed an issue" release notes.
EDIT: I must state that the removal of features is not unique to Microsoft, given that sweeping changes affected my Mac after every release since Snow Leopard. However, the key difference is that with Windows 10 you will never have control over when things are installed (unless you use some of the finer controls for updates available with GPOs in an enterprise; still what's the point of having an AD when you don't have full control over the endpoint systems?)
I'm not really a heavy shell programmer. I mostly use it for git and simple scripts.
IMO, nothing's really "sold" me on powershell. It's always come across as some tool that some people like, but I've never really seen a reason to use it. (As I don't do a lot of complicated things in the shell.)
Hopefully this is something that's easy to get used to.
How many other OS/DE combos do you know that can boast anything similar?
This will break a bunch of legacy stuff. That stuff probably deserves to be broken; the cmd.exe syntax has always been pretty disgusting.
Let's be clear: The syntax and idiosyncrasies and just plain stupidity of cmd.exe are very, very difficult to be compatible with. There's stuff in cmd.exe that beggars the words "awful and random". Deprecating the terrible thing that is cmd is a good move, it should have been done 20 years ago.
As I understand it, cmd.exe largely stagnated for a couple of decades because a senior dev at Microsoft "owned" the code and took any attempt to improve as a personal affront. It couldn't be changed without bad political fallout. (Frankly I don't care how smart or politically powerful you are: If you're doing damage to customers, you should be told not to, and lose your job if you keep doing it).
So Microsoft is finally getting it. I just wish that PowerShell wasn't their answer, because it's got significant problems of its own.