I am waiting a couple of weeks for the D3 Pro review, but Aiyima A80 looks the safe bet for me so far.
I have just put O-Noorus D4 into my setup yesterday and being owner of Aiyima A80 I can say that this new D4 has so many improvements over the previous O-Noorus D1/D3 I have used. Specifically the HDMI ARC implementation is worth every effort and test, it has some quirks for sure which O-Noorus are getting feedback on and they say those are easily fixed with some firmware updates.
Perhaps you won't mind me grab this moment to say a few things:
I feel that somehow O-Noorus lacked the support others got here, provided they need to come up with highest level of quality control and after sale support.
While we wait for measurements to be produced somehow, it does stop one to get the product and share the basic details which any user can observe. If you don't like the product then you can always return and get the refund within return period.
For example, if I can not hear any hiss, noise or crackles near the tweeter with full amplifier power, no pop on power ON/OFF, case temp. isn't going too hot etc. then I would find it acceptable.
Amplifier reliability can be best tested with somewhat long term continuous use only and you can not expect any short term test to prove it. That's why I try to bring amplifier owners together in a thread to share what they find with long term use, we have already identified meaningful practical issues on such threads which have resulted manufacturers to capture some feedback and come up with improvements.
At the end, we would love to see the measurements but if a product isn't measured because of some reason then what do we do?