Bug 512747 - KRdp's native clipboard sharing (added in Plasma 6.5) breaks clipboard sharing through KDE Connect (on Windows, at least)
Summary: KRdp's native clipboard sharing (added in Plasma 6.5) breaks clipboard sharin...
Status: REPORTED
Alias: None
Product: KRdp
Classification: Plasma
Component: general (other bugs)
Version First Reported In: 6.5.3
Platform: Fedora RPMs Linux
: NOR normal
Target Milestone: ---
Assignee: Unassigned bugs
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-11-29 11:16 UTC by fahim2690
Modified: 2025-11-29 11:25 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report:


Attachments
Thincast Remote Desktop Client Version (28.83 KB, image/png)
2025-11-29 11:16 UTC, fahim2690
Details
Clipboard history example (116.15 KB, image/png)
2025-11-29 11:20 UTC, fahim2690
Details
Client-side clipboard breakage example (386.89 KB, video/mp4)
2025-11-29 11:25 UTC, fahim2690
Details

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Description fahim2690 2025-11-29 11:16:55 UTC
Created attachment 187244 [details]
Thincast Remote Desktop Client Version

SUMMARY
KRdp's native clipboard sharing (added in Plasma 6.5) breaks clipboard sharing with KDE Connect (on Windows, at least) - possibly limited to my RDP Client of choice, since I've not managed to get Remote Desktop working with MSRDC/MSTSC.

STEPS TO REPRODUCE
1. Enable and configure RDP server on a Plasma 6.5 machine and install and configure KDE Connect on both Windows and the server.
2. Install Thincast Remote Desktop Client.
3. Have KDE Connect running while connecting to the server.

OBSERVED RESULT
Clipboard contents are pasted one character at a time, appended to the prior message, dumping lots of entries into the clipboard history. If this is slow enough, it also breaks clipboard copy-pasting between different apps on the client. Notably, this seems to happen even with the remote desktop client minimized on Windows.

EXPECTED RESULT
Clipboard sharing works as expected.

WORKAROUND
Disabled clipboard sharing in my RDP client, for the time being. (KDE Connect was being used to work around the lack of native clipboard sharing)

SOFTWARE/OS VERSIONS
(Server)
Operating System: Fedora Linux 42
KDE Plasma Version: 6.5.3
KDE Frameworks Version: 6.20.0
Qt Version: 6.9.3
Kernel Version: 6.17.9-200.fc42.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × 12th Gen Intel® Core™ i5-12400
Memory: 32 GiB of RAM (31.1 GiB usable)
Graphics Processor: Intel® UHD Graphics 730
Manufacturer: Gigabyte Technology Co., Ltd.
Product Name: Z690 UD AX DDR4
(Client)
Edition	Windows 11 Pro Education
Version	25H2
Installed on	‎18/‎02/‎2025
OS build	26200.7019
Experience	Windows Feature Experience Pack 1000.26100.265.0
Device name	<redacted>
Processor	12th Gen Intel(R) Core(TM) i7-12700K (3.60 GHz)
Installed RAM	64.0 GB (63.8 GB usable)
Device ID	 <redacted>
Product ID	00380-00000-00001-AA445
System type	64-bit operating system, x64-based processor
Pen and touch	No pen or touch input is available for this display
ADDITIONAL INFORMATION
(KDE Connect)
KDE Connect: 25.08.3
Windows 11 Version 25H2
KDE Frameworks: 6.19.0
Qt: Using 6.9.2 and built against 6.9.2
Build ABI: x86_64-little_endian-llp64
Kernel: winnt 10.0.26200
Comment 1 fahim2690 2025-11-29 11:20:29 UTC
Created attachment 187245 [details]
Clipboard history example

Simply trying to copy-paste https://invent.kde.org/plasma/krdp/-/merge_requests/82
Comment 2 fahim2690 2025-11-29 11:25:50 UTC
Created attachment 187246 [details]
Client-side clipboard breakage example

The RDP Client was running off-screen in this case.