Having difficulty getting playback with SL3000 using the Stream / RAF Tester Tool on Roku Ultra.
VOD streaming using MPEG-DASH in conjunction with 4K HEVC content (both SDR and HDR10).
Stream / RAF Tester Tool
PlayReady3 (SL3000) is supported on Bryan (4660x,) Gilbert (3900x / 3910x,) Amarillo 1080 (3800x) and Amarillo 4K (3810x.)
Older models in the Cooper family (4620x, 4630x, 4640x) only support up to PlayReady2 (SL2000).