Bug 503316 - On X11, Night Light doesn't work along with colord-kde
Summary: On X11, Night Light doesn't work along with colord-kde
Status: RESOLVED DUPLICATE of bug 491467
Alias: None
Product: kwin
Classification: Plasma
Component: night color (other bugs)
Version First Reported In: 6.3.4
Platform: Arch Linux Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords: X11-only
Depends on:
Blocks:
 
Reported: 2025-04-24 22:25 UTC by Alberto Salvia Novella
Modified: 2025-04-25 17:37 UTC (History)
4 users (show)

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Description Alberto Salvia Novella 2025-04-24 22:25:03 UTC 
SYSTEM
- zenned
- plasma 6.3.4
- frameworks 6.13.0
- qt 6.9.0

STEPS
1. Install colord-kde.
2. In system settings, enable night color.
3. Reboot and login again.

RESULT
- The night color is applied for a brief moment, then reverted to off.
Comment 1 Alberto Salvia Novella 2025-04-24 22:56:40 UTC 
Enabling night color, then restarting "colord.service", leads to the same result.

Hence this is likely a service ordering issue.
Comment 2 TraceyC 2025-04-25 17:37:40 UTC 
I'm can reproduce this on git-master X11 either via reboot or by restarting colord.service
This looks like a duplicate of bug 491467.  The insight about the colord-kde service is helpful, I'll add that to the other report.

*** This bug has been marked as a duplicate of bug 491467 ***