Selur's Little Message Board

1)
avs2yuv (BugMaster's mod 6 (2019-6-30)
https://github.com/MasterNobody/avs2yuv/releases

2)
ffms2-r1275+2-20190811 
Update to FFmpeg 4.2.
Switch to libdav1d for AV1 decoding.
Compiled by HolyWu

http://avisynth.nl/index.php/FFmpegSource

Download:
https://www.mediafire.com/file/9dmplqvm1...11.7z/file

3)
L-SMASH-Works-r935+31-20190820
http://avisynth.nl/index.php/LSMASHSource

Download:
https://www.mediafire.com/file/o5clk4p04...20.7z/file

I'll look into it.
In case the interfaces haven't changed you can simple replace the files in the Hybrid folder.

Argh, looks like:
1. LSMASHSource doesn't support 'stacked' any more.
2. FFMS2 fails for ProRes
ARGH,..