Bug 513822

Summary: KDE 6.5 breaks --watch option for wl-paste
Product: [Plasma] plasmashell Reporter: Paul Wise <pabs3>
Component: Clipboard widget & pop-upAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED INTENTIONAL    
Severity: normal CC: kde, qydwhotmail
Priority: NOR    
Version First Reported In: 6.5.4   
Target Milestone: 1.0   
Platform: Debian testing   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Paul Wise 2025-12-26 03:45:43 UTC
SUMMARY
KDE 6.5 breaks `wl-paste --watch`

External writeup about this problem here:

https://gist.github.com/dikelps/7a487d566c3e97c9abe3957db6776a0b

STEPS TO REPRODUCE
1. sudo apt install wl-clipboard
2. run `wl-paste --watch cat`
3. copy "foo" to the clipboard
4. copy "bar" to the clipboard

OBSERVED RESULT
An error message is printed:
Watch mode requires a compositor that supports the wlroots data-control protocol

EXPECTED RESULT
"foo" and then "bar" are printed.

SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux 14 testing/forky
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 6.20.0
Qt Version: 6.9.2

Using the packages of KDE software from Debian.

ADDITIONAL INFORMATION
Also verified the same happens on today's KDE Neon images:
neon-unstable-20251221-1147.iso
neon-user-20251225-1320.iso
Comment 1 Paul Wise 2025-12-26 03:49:48 UTC
This does not occur on Debian GNU/Linux 13 stable/trixie.
Comment 2 Paul Wise 2025-12-26 03:50:04 UTC
(which uses KDE 6.3)
Comment 3 David Edmundson 2025-12-26 23:07:37 UTC
We support ext_data_control_manager_v1 which is the newer standardised version of the wlroots data-control protocol