0.8.5.7

[Release notes salvaged from https://github.com/uBlock-LLC/uBlock/releases/tag/0.8.5.7]

Changes:

Local mirroring^[1] has been taken out for the time being. Too many issues which requires non-trivial fixes, while for now I prefer more to spend time on polishing, performance and overall stability.

_{[1] Available when "Experimental features" was enabled.}

Closed as fixed:

• [Firefox] Element picker: pressing escape to exit