I think, it would be sensible if you create a new report for that.
I just created another bug report with a slightly different scenario on another phone. Iām referencing just for users that may stumble across this bug report.
A similar issue was reported in Random audio drops on wired headphones - plays from top speaker instead
when i first started using sailfish on xa2 in 2019, this issue was there. then at some point it was fixed.
now with upgrade to sfos5 it is back.
i use custom script which routes audio to lineout
pacmd list-sinks
#pacmd set-sink-port sink.primary_output output-wired_headphone
#pacmd set-sink-port sink.primary_output output-speaker
pacmd set-sink-port sink.primary_output output-line
#pacmd set-sink-port sink.primary_output output-earpiece
#pacmd set-sink-port sink.primary_output output-sco_headset
#pacmd set-sink-port sink.primary_output output-sco_carkit
got it somewhere on forums probably.
but yes this is broken since sfos5 upgrade again.