Open Bug 1868867 Opened 10 months ago Updated 9 months ago

[X11] Firefox scales to 200% when global scaling is 175%

Categories

(Core :: Widget: Gtk, defect, P3)

Product:
Core
Component:
Widget: Gtk
Version:
Firefox 120
Type:
defect

Tracking

()

Status:
UNCONFIRMED

People

(Reporter: nkwkelvin, Unassigned)

References

(Blocks 1 open bug)

Details

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:120.0) Gecko/20100101 Firefox/120.0

Steps to reproduce:

  1. Set global scaling to 175%
  2. Run Firefox

(Someone else also experienced the same bug: https://www.reddit.com/r/firefox/comments/162r853/firefox_on_linux_doesnt_adhere_175_scaling)

Actual results:

  1. All elements of the webpages are oversized
  2. In about:support, the scaling is shown as 2

In Wayland, the elements of the webpages are in correct size, but Wayland does not have real fractional scaling anyway.

However, if global scaling 150%, the scaling is correct.

Expected results:

All elements of the webpages are rendered in the correct size (scaled to 175% instead of 200%)

The Bugbug bot thinks this bug should belong to the 'Core::Widget: Gtk' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Component: Untriaged → Widget: Gtk
Product: Firefox → Core
Blocks: gtk-fractional-scale
Priority: -- → P3
Summary: Firefox scales to 200% when global scaling is 175% on Linux X11 → [X11] Firefox scales to 200% when global scaling is 175%
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