I'd read about Terraform 0.12 and thought it was much further out, so moved on with regret from evaluating the massive number of improvements. Just found out it was released, and
choco upgrade terraform -y provided me with a delightful
0.12 upgrade. If you haven't explored it yet, go do it!
Things like loops, no longer having to reference any variable with string interpolation, and more promises to make this a big productivity improvement for those enjoying Terraform.
If you aren't using any Infrastructure-As-Code approach right now, you'll find it initially a little confusing, but get past that and you'll wonder how you ever lived without it.