Bug 497617

Summary:	Plasma Integration breaks PreMID functionality on YouTube Music (Attempt to postMessage on disconnected port)
Product:	[Plasma] plasma-browser-integration	Reporter:	Krishnan Shankar <krishnans2006>
Component:	Firefox	Assignee:	Kai Uwe Broulik <kde>
Status:	REPORTED ---
Severity:	major	CC:	superbossmend2
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	NixOS
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Krishnan Shankar 2024-12-17 17:46:42 UTC

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SUMMARY
When Plasma Integration is enabled, PreMID (another extension) stops working in certain situations.

STEPS TO REPRODUCE
1. Install Plasma Integration
2. Install PreMID and enable the YouTube Music presence
3. Open YouTube Music
4. Play any song

OBSERVED RESULT
PreMID does not show the music as playing, with an "Attempt to postMessage on disconnected port" error.

EXPECTED RESULT
PreMID works as expected

SOFTWARE/OS VERSIONS
Operating System: NixOS 25.05
KDE Plasma Version: 6.2.3
KDE Frameworks Version: 6.8.0
Qt Version: 6.8.0
Kernel Version: 6.6.62 (64-bit)
Graphics Platform: Wayland

ADDITIONAL INFORMATION

Comment 1 Krishnan Shankar 2024-12-18 01:35:28 UTC

Here's a helpful GitHub comment that goes into further details: https://github.com/PreMiD/Presences/issues/8574#issuecomment-2249045241

Comment 2 Bug Janitor Service 2025-07-25 08:11:03 UTC

A possibly relevant merge request was started @ https://invent.kde.org/plasma/plasma-browser-integration/-/merge_requests/152

Comment 3 Michael 2026-01-16 16:42:25 UTC

this has actually been fixed. i've been running premid and plasma integration for a while now with no issues. id request this to be mark as resolved, but id like to make sure others aren't still having issues. will return with more info

Comment 4 Michael 2026-01-16 16:53:31 UTC

update to my previous comment: oddly, there seems to be no change in the code related to the issue. so either it now working is exclusive to me or maybe some change to firefox or youtube music somehow made this not a problem? honestly i may be out of my depth at this point.