It seems the default SGDEX tool doesn't know what M3U8 is:
View Manager runProcedure addView
[SGDEX] video.errorCode == -3 video.errorMsg == ignored
Is the previous SDK, simply adding streamformat = "hls" allowed M3U8 to play fine & they are still playing fine there.
In the exciting new SDK, what has to be added to SGDEX in order to fix something that used to work?