Enabling Facebook Container can't reach facebook.com

[gorlapraveen]

• Is "Firefox will: Never remember history" in the Firefox Preferences/Options under "Privacy & Security > History" selected? Yes/No: No
• Are you using Firefox in a Private Window? Yes/No: No
• Can you see a grayed out but ticked Checkbox with the description "Enable Container Tabs" in the Firefox Preferences/Options under "Tabs"? Yes/No: Yes
• Facebook Container Version:1.4.2
• Operating System + Version:Debian testing (Buster)
• Firefox Version:63.02
• Other installed Add-ons + Version + Enabled/Disabled-Status:uBlock Origin(enabled), uBlock Matrix(enabled) and Firefox Test pilot(Enabled)

  Facebook Container 1.4.2 true @contain-facebook Firefox Notes 4.2.0 true notes@mozilla.com Markdown Here 2.13.1 true markdown-here-webext@adam.pritchard Test Pilot 3.0.6vaaa6330 true @testpilot-addon uBlock Origin 1.17.4 true uBlock0@raymondhill.net uBO-Scope 0.1.12 true uBO-Scope@raymondhill.net uMatrix 1.3.16 true uMatrix@raymondhill.net

Actual behavior

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Expected behavior

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Steps to reproduce

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Notes

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[maxxcrawford]

Is this still reproducible on the latest version of the add-on (2.1.1) and Firefox (77.0.1)?