Debug z-index stacking content with 3D View in the Microsoft Edge DevTools: blogs.windows.com/msedgedev/2020…. This is a pretty neat addition!

This was my favorite Firefox Dev feature back when they had it (or maybe it's still there?). Really neat way to get a peak into compositing and layer performance too.

CC: @digitarald from the @FirefoxDevTools team. Spreading the love…

It did slowly degrade through re-architecture and got removed. It is definitely always come up as an idea, but we are also looking for ways to integrate solutions for z-index/layers it into existing workflows. (Layers are also tricky, as WebRender changes the game)

@webkit's Web Inspector recently-ish gained this feature: webkit.org/blog/8262/visu…. pic.twitter.com/HVOfgBIjud