Thanks for the suggestion. That stopped the jiggling but...
ok, I uploaded a fix (v1.1.2)
I added a function that will reset the size of the window to default after resize, which I think should help after you change the font size. I'll look for a more robust way of handling buffer/window/font sizes, but for now let me know if that helped?
thanks a ton for your feedback btw, appreciate it! <3