The launcher might have been fixed but for anyone still having this issue, editing the options by checking a random item should make the size back to normal. I read someone that fixed the issue by doing that, checking random checkboxes and it eventually got fixed.
You can then uncheck and remove the item back and size s\should be back to normal
For the record, here are the pictures with the faulting engine size:
And after checking, applying changes, unchecking back, and applying changes again, here is the correct size:
