Peek suddenly breaks after recording with .mp4 on 1366x768

Peek: 1.5.1 GTK: 3.24.14 GLib: 2.64.0 Desktop: GNOME Display server: X FFmpeg version:

ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 9.2.0 (GCC)
configuration: --prefix=/app --disable-debug --disable-static --enable-gpl --enable-libvpx --enable-libx264 --enable-shared --enable-libxcb --enable-libxcb-xfixes --disable-libxcb-shape --disable-ffplay --disable-ffprobe --disable-doc --disable-everything --enable-bsf=vp9_superframe --enable-decoder=libvpx_vp9 --enable-decoder=png --enable-decoder=rawvideo --enable-encoder=apng --enable-encoder=ffvhuff --enable-encoder=gif --enable-encoder=libvpx_vp9 --enable-encoder=libx264 --enable-encoder=png --enable-demuxer=image2 --enable-demuxer=matroska --enable-muxer=apng --enable-muxer=gif --enable-muxer=image2 --enable-muxer=mp4 --enable-muxer=webm --enable-filter=crop --enable-filter=fps --enable-filter=palettegen --enable-filter=paletteuse --enable-filter=scale --enable-protocol=file --enable-indev=xcbgrab
libavutil      56. 31.100 / 56. 31.100
libavcodec     58. 54.100 / 58. 54.100
libavformat    58. 29.100 / 58. 29.100
libavdevice    58.  8.100 / 58.  8.100
libavfilter     7. 57.100 /  7. 57.100
libswscale      5.  5.100 /  5.  5.100
libswresample   3.  5.100 /  3.  5.100
libpostproc    55.  5.100 / 55.  5.100

Output format: mp4 gifski enabled: false

Error details:

Could not start GNOME Shell recorder.

Make sure you have the GStreamer ugly plugins installed for MP4 recording.

Please see the FAQ at https://github.com/phw/peek#what-is-the-cause-for-could-not-start-gnome-shell-recorder-errors

phw / peek

Peek suddenly breaks after recording with .mp4 on 1366x768 #589