Known Problems

• Firefox Bugs
  • Complete styling of webextensions
  • Import statements not working
  • Styling for specific OS's not going into effect

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Firefox Bugs

Complete styling of webextensions

Problem: Some elements in a webextension's popup may not be styled when extensions.webextensions.remote is set to true.

Affected OS: Windows

Affected webextensions: uBlock Origin and uMatrix

Bugzilla: Bug 1431962 (RESOLVED WONTFIX) FIXED somewhere in this pushlog (RESOLVED FIXED for Firefox 60)

ShadowFox Issue: #58

Workarounds:

• Manually altering the webextensions source code
• Setting extensions.webextensions.remote to false
• Use Firefox 60

Import statements not working

Problem: Styling doesn't go into affect when using @import statements in userContent.css.

Affected OS: Linux

Bugzilla: Bug 1416184 (P3, UNCONFIRMED), 1386404 (P2, RESOLVED FIXED for Firefox 60)

Workarounds:

• Use either the complete version of userContent.css or run a gulp task (see Modifying ShadowFox Files).

Styling for specific OS's not going into effect

Problem: some @media rules get ignored, meaning tweaks designed specifically for some operating systems don't go into effect

Affected OS: Windows

Bugzilla: Bug 1418963 (RESOLVED FIXED for Firefox 59)

Workarounds:

• Use FF 59+ (available through the Beta and Nightly channels - 59 reaches stable on March 13, 2018)

• Use the windows specific userChrome file found here