The honest answer is that it's unlikely to be added in the near future. It's not a common feature request, and I have things which are of a higher priority, such as support for Windows 11.

No, currently there's no such setting in the tweaker.

Please see the newly released blog post:
7+ Taskbar Tweaker and a first look at Windows 11

I do plan to look at it when I have some spare time. I can't tell when exactly.

Hello,

I haven't looked at Windows 11 yet. I plan to look at it eventually, once it's more mature. The "stop apps from customizing the taskbar" item shouldn't be relevant for 7+ Taskbar Tweaker, since it's not using means that are provided by Windows for customization.

Thank you for reporting the problem. I'm familiar with it, but unfortunately, I don't know how to fix it.

The problem was reported before:

https://tweaker.userecho.com/826-scroll-on-trackpad-doesnt-trigger-mouse-wheel-options

I'm closing this topic as a duplicate.

It's a false positive detection. See the discussion here:

https://rammichael.com/7-taskbar-tweaker/comment-page-50#comment-12663

It should make no difference, both versions apply the same changes in the same way.

You're not using the latest version, please update to the latest version of 7+ Taskbar Tweaker. 

I was able to reproduce the problem. Please try the newly released v5.11.2.1 beta.