[Upgrade - 22/09]

7 hours ago, wizardt™ said:

They don't seem to be working with the brackets/code, but you can highlight the spoilery text and then use the button with the eye icon to put a spoiler box on.

Spoiler

You don’t even need to do that much work. If you hit the eye icon first, it gives you a convenient little box to type the spoiler in, as a I am demonstrating now.