I use my Thumb Buttons as modifiers. I configured my Bottom Thumb Button + Wheel to quickly switch between Tabs (or documents) associating Ctrl + Tab & Ctrl + Shift + Tab to the Bottom Thumb + Wheel Pull & Bottom Thumb + Wheel Push, respectively.

I also want my Bottom Button, used on its own, to be used as Back (Alt + Left), which I configured to the Bottom Thumb Release.

To prevent activating the Back function, every time I release the Bottom Thumb, after switching Tabs (with the Wheel), with the help of Demonspawn and Bryce Maisey, I made it so the first Wheel Push/Pull switches to a Sub-Profile.

I'm missing out on the first Wheel "Step", meaning the first Wheel Push/Pull switches to the Sub-Profile, and the next Steps AFTER that, I'm in Tab/Doc Switching mode. I don't see how I could do otherwise, be in "Tab/Doc Switching mode" on the FIRST Wheel Push/Pull. But this is the only down side of this setup. I'm going to use it for a couple of weeks to see if I can live with it. On a "Side Question", if anyone has any ideas on how to configure the setup to enter "Tab/Doc Switching mode" on the first Wheel Step, I'm all ears!

My REAL question I have is this. When I switch from Parent Profile to Sub-Profile, the Logo LED Color changes to the default Pale Blue color (#007FFF), and I don't know why (as shown in the Screen shots). In my Parent Profile, the Logo is set to a permanent Red (I use the logo color to know on which Parent Profile I'm on). I tried adding a function in the Sub-Profile and in the Parent Profile, in the "Wheel Push/Pull functions", that set the Logo color to Red. I tried adding this function BEFORE and AFTER the Wheel Push/Pull, but the Logo always reverts to the Pale Blue. And the Logo color remains Pale Blue.

Added Note: This happens ONLY with my first Parent Profile. I have three Parent Profiles in total. The first has this bug. The two others work as they should.

On a side note, I installed the Beta Firmware to solve a Half-Scroll issue, as suggested by Bryce (which fixed the issue marvellously - Half scroll issue fix [Beta Firmware]). MAYBE the Beta Firmware is causing this?? I have no idea.