I think each of 3.8 through 3.11 were substantial, just in different ways.

The "$@" doesn’t do that you think it does in an alias. It gets expanded on alias creation.

I put newlines in my filenames to break both CLI tools and Windows filesystems

IMO the NUL-delimited options are by far the biggest win for shell scripting. $' ' will be the most commonly used addition, but "$(printf '...')" was always an option before. You don’t really have an alternative read -d ''.

Also, monetization