The DAC tech is updated (2 steps forward) but the input ethernet tech is still 24/96? (One step back?)
Is the ID41 the limiting factor for 96/24?
The ID4x was once described as an Audio NIC. Apart from format decode, it's a relatively trivial task. I cannot see that ID4x tops out at 96/24 hardware capability wise.
My guess, more like Sooloos core and 8xx being the limiting factors.
If the Ultra DAC has improved audio processing capabilities the ID41 may well be able to take advantage of that. No point updating ID41 to USB capabilities in 8xx if Sooloos couldn't take advantage of it and something even bigger coming along with Ultra.
Which leaves Sooloos/Roon capabilities. As yet to be announced, software and/or firmware update could fix that. Which may explain why Meridian are not currently revealing ID41 capabilities.