So the lead of the FBW team, Iceman, has also entered into this discussion. This is Iceman’s reply about the situation with PMDG:
I’m not usually one to comment on issue involving other devs, but I feel the need to point out something that simply isn’t true.
There is absolutely nothing regarding the SDK that presents a blocking issue to aircraft development besides a custom weather radar API.
I can say that with 95% certainty having worked with aircraft development in MSFS for nearly a year and a half, and having spoken to numerous other devs and with Asobo developers themselves. Although we primarily use HTML gauges at FBW, we also use WASM gauges for systems and autopilot/fly-by-wire, the same technology that payware aircraft use for all of their code. And if Aerosoft is able to put out the CRJ as a complete product (with the exception of WX & terrain radar), I don’t see why others cannot do the same.
Also, in my personal opinion, Robert’s message borders on unprofessional. Having had contact with Asobo developers for quite a while now, they have been nothing but helpful and nice. There are obviously cannot fulfill every one of our requests at once, but are understanding and help out as much as they are able, given the constraints of working on such a large platform with countless other third party developers to communicate with.
I have also been following Randazzo’s posts at the PMDG forum and his interview with Fabio. From my understanding based on what Randazzo posted in the past, I think Randazzo mentioned that some functionality for the PMDG 737 can be done without Asobo changing the MSFS SDK, but it would take a lot of development time and man hours from PMDG. So of course, Randazzo/PMDG prefers Asobo to change the SDK because it would save PMDG a lot of time and manpower (remember, time and manpower is money for PMDG).
But based on what Iceman has posted (and Iceman is also an expert with the MSFS SDK, just look at what the FBW team have done with the FBW A320) whatever PMDG wants done can probably be done, if they spend the time and resources on it. I can also see PMDG prefers not to spend a large amount of time & resources to do a specific functionality, if Asobo can make the change to the SDK.