Bug 510898

Summary: RDP session looks glitchy
Product: [Applications] krdc Reporter: yamiyukisenpai
Component: RDPAssignee: Urs Wolfer <uwolfer>
Status: REPORTED ---    
Severity: normal CC: ctrlaltca
Priority: NOR    
Version First Reported In: 25.08.0   
Target Milestone: ---   
Platform: Snap   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: RDP session output

Description yamiyukisenpai 2025-10-22 03:07:19 UTC
Created attachment 185983 [details]
RDP session output

SUMMARY
When accessing a Windows desktop over RDP, the viewer looks pixelated

STEPS TO REPRODUCE
1. Launch KRDC
2. Connect to a Windows computer over RDP

OBSERVED RESULT
It looks glitchy/artefacting or something. Not sure what's the word

EXPECTED RESULT
Output should look clean

SOFTWARE/OS VERSIONS
Operating System: KDE neon User Edition
KDE Plasma Version: 6.5.0
KDE Frameworks Version: 6.19.0
Qt Version: 6.9.2
Kernel Version: 6.14.0-33-generic (64-bit)
Graphics Platform: Wayland
Processors: 12 × 11th Gen Intel® Core™ i5-11400 @ 2.60GHz
Memory: 32 GiB of RAM (30.6 GiB usable)
Graphics Processor 1: AMD Radeon RX Vega
Graphics Processor 2: Intel® Graphics

ADDITIONAL INFORMATION
Comment 1 Fabio 2025-10-24 14:37:40 UTC
Can you please try to change the value for "acceleration" in the connection settings between H.264, RemoteFX and disabled?
These artifacts looks like some problem in the freerdp library graphics pipeline.