It's improvement for the AeroSnap feature. The AquaSnap (existing solution) replaces the original AeroSnap and works poorly. Maybe it's an idea for a new tweaker which tweaks not only the taskbar.

It would be nice if it would show a preview or list on hover only for combined items, and have hovering do nothing or show tooltips for items that are not combined even if grouped.

Some actions that it would be nice to see in your list of advanced settings, if not too difficult :p.

TaskbarItems

1. Pin-on-Top // toggle always on top
   
2. Send-to-Bottom // place at bottom of z-order
3. Open Properties // it's my most missed item from the jump list menu
   

EmptySpace

1. Reveal (Peek at) Desktop // like hovering over the 'show desktop' button, but by holding a button|hotkey
   
2. Toggle 'Locking the Taskbar' // i keep rclick set to taskbar inspector, so it would be nice to get at this setting
   
3. Swap Windows // switch focus to the previously active window

Window swapping could also be useful on taskbar items; I'd rather switch to a previous window (if available) than minimize/restore, when clicking an active windows task button.  This would be confusing to most users though, that's why things like this are best left hidden in registry tweaks as you have done, +1.

Windows 8.x doesn't allow users to permanently remove the "Touch Keyboard" toolbar from the taskbar: on every reboot it reappears. Even when the corresponding service is set to disabled, the toolbar can reappear after one or more reboots.

A function to disable the toolbar with the start of 7+ would be ideal.

There i like to use autoungroup with mouse over event, but in this case windows removes context menu "close group", can you somehow leave it enabled please even for ungrouped similar windows?

7+ Taskbar Tweaker not working properly after latest Nov. 2015 Windows 10 major update. Screen flashes and Taskbar icons appear and disappear...continuously. Uninstalling 7+ TT resolves the problem.

I have confirmed this problem with four Windows 10 computers...all with the latest Nov. 2015 Windows 10 major update.

There should be an option to set "Left click on combined items" to "open list". The only way to do this is to set "Left click on combined items" to "Show thumbnail preview (Default)" and set "hovering" to list", or disable aero. I  want to be able  to do this with out disabling aero or setting "Left click on combined items" to "Show thumbnail preview (Default)".

 I’d love to see the option to have windows “Always on top” or with “Transparency”, similar to the functionality of PowerMenu.