SUMMARY
I'm not sure which packages caused this issue, but when i play bluetooth audio through my speaker or headphone using the SBC, SBC-XQ, aptX, and aptX HD codecs, the audio isn't always crisp and at times gets very choppy for multiple seconds. Not sure exactly when this happened, but likely within the last month. I tested the speaker and headphones on the USB live sessions of kubuntu 24.04.3, kubuntu 25.10, and KDE Neon user-20250904 and this behavior didn't appear. I then tested the KDE Neon user-20251225-1320 live session and it does happen there.

STEPS TO REPRODUCE
1. Turn on bluetooth
2. Connect speaker or headphone to bluetooth
3. Play a video or audio

OBSERVED RESULT
Audio is crisp at some points and choppy at others

EXPECTED RESULT
Audio is crisp all the time

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KDE Neon 24.04
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 6.12.0
Qt Version: 6.10.1

ADDITIONAL INFORMATION
I attempted to downgrade packages to test what might fix the issue and have include below each downgrade attempt copied from the apt log file. After each attempt i restarted and none of these fixed the issue.
* Downgrade: bluedevil:amd64 (4:6.5.4-0zneon+24.04+noble+release+build38, 4:6.5.3-
* Downgrade: bluedevil:amd64 (4:6.5.3-0zneon+24.04+noble+release+build37, 4:6.5.2-0zneon+24.04+noble+release+build36)
* Downgrade: kf6-bluez-qt:amd64 (6.21.0-0zneon+24.04+noble+release+build22, 6.20.0-0zneon+24.04+noble+release+build21)
* Downgrade: kf6-bluez-qt:amd64 (6.20.0-0zneon+24.04+noble+release+build21, 6.20.0-0zneon+24.04+noble+release+build20)
* Downgrade: kf6-bluez-qt:amd64 (6.20.0-0zneon+24.04+noble+release+build20, 6.19.0-0zneon+24.04+noble+release+build19), bluedevil:amd64 (4:6.5.2-0zneon+24.04+noble+release+build36, 4:6.5.1-0zneon+24.04+noble+release+build35)