I found that on Roku OS 9.3 the same playback content that I reprodoce on Roku OS 9.2 show an error -3, this error regarding Roku documentation is unknown, and comparing the releases notes (9.2 vs 9.3) I not found some relevant diferences.
To restate, we have HLS VOD videos that play fine on 9.2, but fail with unknown error code -3 on 9.3.
Here is a spreadsheet with different URL's that work/don't work on 9.2/9.3. They will expire within 24 hours:
Does anyone know why videos would fail on 9.3 but work on 9.2?
You would do better to ask in the developer forum:
That error is CURLE_URL_MALFORMAT, but the URLs look ok to me. You can see the error list here: