Prerequisites

• Did you perform a cursory search of the issue tracker?
• Can you reproduce the problem when...
  • uMatrix is the only extension?
  • uMatrix with default lists/settings? N/A
  • using a new, unmodified browser profile?
• Are you running the latest version?
• Did you check the documentation?

Description

Custom recipes don't show up when visiting corresponding host.

A specific URL where the issue occurs

https://pastebin.com/

Steps to Reproduce

1. Import https://pastebin.com/raw/WXch6AqJ in Ruleset recipes at dashboard.html#hosts-files. Apply and update.
2. Visit https://pastebin.com/

Supporting evidence

The recipe seems to have been imported:
https://myazo.migueldemoura.com/data/997c9bb461df6538719eb023.png

Yet the puzzle icon does not show any available recipe:
https://myazo.migueldemoura.com/data/569ca57b1cfe3ca4e6fadf8f.png

Recipe content

Pastebin
    pastebin.com *
        ! Required due to Cloudflare's browser check
        _ 1st-party cookie
        _ 1st-party script

Is this incorrect? I also tried with the global CDN examples at https://raw.githubusercontent.com/migueldemoura/ublock-umatrix-rulesets/master/uMatrix/recipes and got the same result.

Your environment

• uMatrix version: 1.3.8
• Browser Name and version: Chromium 66.0.3359.139 64-bit
• Operating System and version: buntu 18.04