Chrome's map to file system resource not working after update

Question

I can add a folder to the workspace (which doesn\'t seem to do anything, as far as I can tell), but the \"map to file system resource\" option seems to have been removed, and I

Answer 1

I cleared the cache and it works now.

Previously, I opened my CSS file from my FTP client, then I dragged the containing folder into the Sources tab > Filesystem tab (without caring about any folder names nor structure, I just dragged the FTP clients containing folder into it).

The persistent mapping worked straight away, edits from the Chrome Dev Tools were saving on the server. After 30 minutes of fiddling and playing around, it just stopped working and the CSS resource got greyed out. The file icon with the green dot was not appearing anymore.

It didn't matter what I'd do, it would not work, but when I cleared my cache, it started to work again.