I think it is a valid article but it tries very hard to ignore that it seems like at least 12 (21%) of the requests are currently in development at Apple. If all of them are medium/complex requests then they are all still within the advertised timeline. So yes, technically nothing was released yet but I read at least an implied suggestion that nothing will be, which does not look like a conclusion that can be drawn at the moment.
On the other hand, the article does say that
"When the DMA took effect, it expected gatekeepers like Apple to deliver interoperability by default [...] Instead, Apple created a request-based system where each developer must seek permission for specific features"
and
"the process can stretch across months or years before developers see any practical benefit, even though the underlying right to interoperability is already supposed to exist"