After some googling & investigation I found out that Nimbus Sans substitutes
Helvetica when fonts-urw-base35 package is installed but it does not render
correctly on some sites compared to Soto Sans or Arial. Running 'fc-match
Helvetica' returns 'NimbusSans-Regular.otf: "Nimbus Sans" "Regular"'
Workaround would be to add an override to chrome/userContent.css file in the
profile folder and then restart the browser:
@font-face {
font-family: Helvetica;
src: local('Noto Sans');
}
Alternate method would be creating ~/.config/fontconfig/fonts.conf xml file if
it doesn't exist and adding override there, but it would be not as easy
syntax-wise compared to the above method.
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https://bugs.launchpad.net/bugs/1874842
Title:
Fonts installed using msttfcorefonts package (ttf-mscorefonts-
installer) are not detected by some sites
Status in firefox package in Ubuntu:
Incomplete
Bug description:
Ubuntu Linux 20.04 LTS upgraded from 18.04 LTS, Firefox 75.0
(75.0+build3-0ubuntu1, amd64)
When viewing some sites such as facebook or github the fonts are not being
displayed correctly. Other system fonts are used instead. The expected result
would be to have fonts displayed correctly w/o unneded system file modification
if possible.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: firefox 75.0+build3-0ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
BuildID: 20200403170909
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
Date: Fri Apr 24 18:29:17 2020
DefaultProfileExtensions: extensions.sqlite corrupt or missing
DefaultProfileIncompatibleExtensions: Unavailable (corrupt or non-existant
compatibility.ini or extensions.sqlite)
DefaultProfileLocales: extensions.sqlite corrupt or missing
DefaultProfilePrefErrors: Unexpected character ',' before close parenthesis @
/usr/lib/firefox/omni.ja:greprefs.js:733
DefaultProfilePrefSources: prefs.js
DefaultProfileThemes: extensions.sqlite corrupt or missing
Profile1Extensions: extensions.sqlite corrupt or missing
Profile1IncompatibleExtensions: Unavailable (corrupt or non-existant
compatibility.ini or extensions.sqlite)
Profile1Locales: extensions.sqlite corrupt or missing
Profile1PrefErrors: Unexpected character ',' before close parenthesis @
/usr/lib/firefox/omni.ja:greprefs.js:733
Profile1PrefSources: prefs.js
Profile1Themes: extensions.sqlite corrupt or missing
Profile2Extensions: extensions.sqlite corrupt or missing
Profile2IncompatibleExtensions: Unavailable (corrupt or non-existant
compatibility.ini or extensions.sqlite)
Profile2Locales: extensions.sqlite corrupt or missing
Profile2PrefErrors: Unexpected character ',' before close parenthesis @
/usr/lib/firefox/omni.ja:greprefs.js:733
Profile2PrefSources: prefs.js
Profile2Themes: extensions.sqlite corrupt or missing
Profile3Extensions: extensions.sqlite corrupt or missing
Profile3IncompatibleExtensions: Unavailable (corrupt or non-existant
compatibility.ini or extensions.sqlite)
Profile3Locales: extensions.sqlite corrupt or missing
Profile3PrefErrors: Unexpected character ',' before close parenthesis @
/usr/lib/firefox/omni.ja:greprefs.js:733
Profile3PrefSources: prefs.js
Profile3Themes: extensions.sqlite corrupt or missing
Profile4Extensions: extensions.sqlite corrupt or missing
Profile4IncompatibleExtensions: Unavailable (corrupt or non-existant
compatibility.ini or extensions.sqlite)
Profile4Locales: extensions.sqlite corrupt or missing
Profile4Plugins: Shockwave Flash -
/usr/lib/adobe-flashplugin/libflashplayer.so (adobe-flashplugin)
Profile4PrefErrors: Unexpected character ',' before close parenthesis @
/usr/lib/firefox/omni.ja:greprefs.js:733
Profile4PrefSources: prefs.js
Profile4Themes: extensions.sqlite corrupt or missing
Profile5Extensions: extensions.sqlite corrupt or missing
Profile5IncompatibleExtensions: Unavailable (corrupt or non-existant
compatibility.ini or extensions.sqlite)
Profile5Locales: extensions.sqlite corrupt or missing
Profile5PrefErrors: Unexpected character ',' before close parenthesis @
/usr/lib/firefox/omni.ja:greprefs.js:733
Profile5PrefSources: prefs.js
Profile5Themes: extensions.sqlite corrupt or missing
Profile6Extensions: extensions.sqlite corrupt or missing
Profile6IncompatibleExtensions: Unavailable (corrupt or non-existant
compatibility.ini or extensions.sqlite)
Profile6Locales: extensions.sqlite corrupt or missing
Profile6PrefErrors: Unexpected character ',' before close parenthesis @
/usr/lib/firefox/omni.ja:greprefs.js:733
Profile6PrefSources: prefs.js
Profile6Themes: extensions.sqlite corrupt or missing
Profile7Extensions: extensions.sqlite corrupt or missing
Profile7IncompatibleExtensions: Unavailable (corrupt or non-existant
compatibility.ini or extensions.sqlite)
Profile7Locales: extensions.sqlite corrupt or missing
Profile7PrefErrors: Unexpected character ',' before close parenthesis @
/usr/lib/firefox/omni.ja:greprefs.js:733
Profile7PrefSources: prefs.js
Profile7Themes: extensions.sqlite corrupt or missing
Profile8Extensions: extensions.sqlite corrupt or missing
Profile8IncompatibleExtensions: Unavailable (corrupt or non-existant
compatibility.ini or extensions.sqlite)
Profile8Locales: extensions.sqlite corrupt or missing
Profile8PrefErrors: Unexpected character ',' before close parenthesis @
/usr/lib/firefox/omni.ja:greprefs.js:733
Profile8PrefSources: prefs.js
Profile8Themes: extensions.sqlite corrupt or missing
SourcePackage: firefox
UpgradeStatus: Upgraded to focal on 2020-04-24 (0 days ago)
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