hey Copernicus. thanks for this great app

i'm using 0.3.3 version - just upgraded from version 0.2.0 which was working great for calls recordings.
after the upgrade, it doesn't work anymore - i'm getting the following error when it tries to start the recording:

Error: [speakerSource]: Failed to connect stream: No such entity pulsesrc.c(994). gst_pulsesrc_prepare(): /GstPipeline: finalPipe/GstPulseSrc:speakerSource

i tried the recording in both Mic and speaker and Mic only modes. audio encoding set to default without changes (AAC, 128kbit), video is set to none.

Any idea?