I feel the dev's complaint was more nuanced than complaining about fragmentation.
The dev was saying there were tons of easy back-ports left on the table that could make the fragmentation much easier for developers to deal with. I walked away feeling that some released Android versions were neglected, more than fragmented.
[edited last sentence to distinguish neglected versions from not caring about the whole platform, which Google obviously does.]
Andy Rubin stated that the release schedule is going to slow down soon to either 2 or 1 releases per year. At the moment, the platform is immature and they are focused on adding in features. I suspect it will all become a lot more stabilised shortly.
One of the things Apple has done brilliantly is to make updating painless.
- Ensure raw Android devices are as pleasant to use as Sense and Rachel. This means stock updates will work on any phone, rather than having to wait for Handset manufacturers to port their UIs to new Android releases.
- Ensure that handset makers have updated their existing units before allowing them to provide 'Google experience' prorietary apps (Gmail etc) to them for new devices.
Or are you talking about XDADevelopers?
That is, I fully expect that my iPhone 3G will not run iPhone OS 5 and that the iPhone 3GS will not run iPhone OS 6 (or whatever number they're up to in two years). It's still a solid story for iPhone OS development compared to other handsets.
It appears to be one of the lessons that Apple took to heart from the PalmOS example (they were at 160x160 for years, then 320x320 and only a few folks took it beyond that).
"iPhone OS 4 will work with iPhone 3G, iPhone 3GS, and the second- and third-generation iPod touch this summer, and with iPad in the fall. Not all features are compatible with all devices."
Also, if the new iPhone does have a higher-rez screen, there is going to be even more fragmentation.
Not that this is awful or the end of the world, but Apple isn't magically exempt from these things.
While individual phones may ship with the old version all the Verizon Android phones I'm aware of have the ability to be updated to 2.1 in a carrier supported way.
I'm genuinely surprised, though, that the Eris has been updated.