Summarized changelog:

• Fix GCC warnings.
• Add support for Sony XAVC Class 300 and 480.
• lookahead: Keep b_exit_thread under ifbuf.mutex.
• Remove thread priority tweaking.
• Fix integer overflow with special CQM and 10-bit encoding.
• Check user-entered fps parameter range.

1. Rebuilt packages:
   • avidemux
   • ffmpeg (part of update stack)
   • gst-plugins-ugly
   • gstreamer-1.0-plugins-ugly
   • handbrake
   • obs-studio
   • vlc (part of update stack)
2. Encoded H264 video using ffmpeg with x264.