How to go about reporting a possible font / line height issues affecting all browsers (tested gecko/blink) in 18.04?

Asked by Daniel on 2018-09-07

Fonts, or alternatively line-heights / margin / paddings, are not rendering correctly on Ubuntu 18.04. Web-ui elements are represented wrongly and gives a disorderly look to websites.

Affected browser on 18.04: Chrome (all versions since 62, no point in testing further back), Firefox (all versions since 57, no point in testing further back).
Affected browsers on 16.04: None of the above.
Affected browsers on Windows/Mac: None of the above, problem is also not present in Edge, Opera or Safari.
Android: Shows no issues with the latest Chrome app release, neither does Firefox.

Example websites that are affected (all websites are more or less affected, but here are some examples);!),,,,,

Practical example: Go to and look at the red/orange "Ask question" button. The text padding should be equal on the top as the bottom, that's not true with 18.04. Same is true for the two buttons on is affected too, most notably by not signing in so the default reddit theme shows and then look at the top left select list right next to the reddit header logo - "Popular" is offset.

Problem appears on all the computers (4, all of which with different hardware and drivers) I've tested this on running Ubuntu 18.04. Reports are also present from other users on i.e

The problem seem to be related to either graphics, gnome or possibly a font package - I do not have the expertise to determine this myself - all I know is that this is happening on Ubuntu 18.04, and has been doing so since the launch of this version.

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Launchpad Janitor (janitor) said : #1

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