the only problem with this 
Ashley is that Construct 2 has that feature (auto hide and pin), while Construct 3 doesn't.
Wasn't C3 supposed to be everything like C2 and better? Also, I don't think people (after the initial hype) follow the ideas page a lot, therefore some ideas might not have been procured. Also, the AutoHide feature is pretty important if you ask me, since it can bring more view on the Layout Editor when you hide properties/objects/etc bar instead of turning it off or unplugging and moving somewhere behind. It improves workflow a lot, and that's one of the reasons i'm still with C2 for now. Also, the jQuery thing can be implemented in pure JS pretty simple, and auto hide aswell. I don't know how it ties into your C3 editor, or whatever have you done / libraries used, but even in pure JS it isn't hard to make. That's a feature that C2 has, and C3 doesn't.
Also, why not make like first 50 ideas/things that are of 1 weeks work to improve all the workflows and simple / small stuff from ideas, and then go to the big ones. People voted big ideas because they like them the best. But every small idea might be as good and giving faster workflow, which is also a thing that each user would appreciate.
(I work in business industry, C# dev, we had a request from our client to change full row selection copy paste to single cell copy paste, but with full row selection still). We did that like immidiately and gave them that. They're happy, we don't have work later to do. Why is that so hard with C2/C3 when users ask for something? (talking about the small changes).