Hello,
At present, we can hide a section (or block) depending on whether we are in tablet, phone, etc. Which is great. But what I like to see is an adding an option to hide a section so it would not be publish. For example when I am designing, I like to add two section and pick which one looks the best. I like to be able to turn a section off (or hide it) to then view what it looks like. Then reenable it and turn off the other section and look at it again. As well, sometimes, section maybe seasonal. It would be nice to be able to hide and unhide a section manually when you like it to appear.