Bug 1889436 - Subpixel font rendering option is stuck in "RGB" value in kcm_fonts
Summary: Subpixel font rendering option is stuck in "RGB" value in kcm_fonts
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: plasma-desktop
Version: 33
Hardware: x86_64
OS: Linux
Target Milestone: ---
Assignee: KDE SIG
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2020-10-19 16:31 UTC by Mikhail Shchemelev
Modified: 2020-10-19 16:31 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: ---
Doc Text:
Clone Of:
Last Closed:
Type: Bug

Attachments (Terms of Use)

Description Mikhail Shchemelev 2020-10-19 16:31:08 UTC
Description of problem:

Plasma uses subpixel RGB font rendering by default. You can disable it in plasma font settings by selecting "None" option in subpixel rendering section.
However, while doing that correctly disables subpixel rendering, option itself is stuck and if you go to font settings after that it will show "RGB"

Version-Release number of selected component (if applicable):

Fedora 32, 33
Plasma versions 5.18, 5.19, 5.20 (through copr)

Steps to Reproduce:

1. Open font settings in kde control center
2. Change subpixel rendering option from RGB to None and click Apply
3. Close control center and repeat step 1

Actual results: subpixel font rendering section will show "RGB" value

Expected results: subpixel font rendering section should show previously selected None value

Additional info:

This looks like this bug, reported to KDE bugzilla: https://bugs.kde.org/show_bug.cgi?id=416140
However i have reasons to believe this is Fedora specific, because:
1) Font rendering options is actually applied correctly in my case
2) I can not reproduce the same behaviour on other distributions with KDE  (OpenSUSE, Manjaro, Kubuntu) for specified versions
Could it be some fedora specific static configuration file (in etc?) that makes kcm go haywire?

Note You need to log in before you can comment on or make changes to this bug.