There are no such things as "stupid" questions. However if you think your question is a bit stupid, then this is the right place for you to post it. Please stick to easy to-the-point questions that you feel people can answer fast. For long and complicated questions prefer the other forums within the support section. Before you post please read how to get help
Yes it was in the Cinnamon Nightly build for a good while but then disappeared because the team had to get a stable Cinnamon ready for Mint 13 and expo effects were in the way of stability. I asked on github and clem assured it was just a temporary stability measure.
Thank you for this thread. That’s all I can say. You most definitely have made this forum into something special. You clearly know what you are doing, you’ve covered so many bases. Thanks!