Question - my Macbook when starting up reactivates 'hidden files' by default. I suspect BTT to cause that (since the last update) - can it be?

I never had this thing in the past that, whenever I start my Macbook, my hidden files both on my local Macbook drive and on my external drive are turned on by default.

I turn it off. Restart the Macbook. Hidden files are turned ON and VISIBLE by default again. Crazy!

Didn't happen until the last BTT update (I think). Is this a possible known issue?