MS's partners will have dictated the shipping schedule, and MS will update the O/S to manage the imposed need for adding key features such as a newer browser, cut&paste, etc.

Clearly WP7 could not be released with IE9-beta, and equally clearly MS could not delay WP7 any longer.

Silverlight is NOT a "failed format" and remains a key technology for MS, and in particular WP7.

team.silverlight.net/announcement/pdc-and-silverlight/

if you knew anything at all then you would realise that WP7 is far from finished. As iOS and Android before it, WP7 has been released without some quite "key" features. There is an update coming at the end of the year/early next year which will include Flash support. There will also be a lot of other functionality improvements in the first update. Yes it doesn't support these things now, but that's because it's a very raw OS right now.

@Fred - Microsoft based its Windows Phone 7 on the now failed Silverlight format.

However, the point is that these dysfunctional phones cannot use Silverlight, or Flash, or even HTML5 in the web browser.

That means they can't run any web apps. And while Microsoft crows about how good HTML5 is, Windows Phone 7 has no HTML5 ability.

Windows Phone 7 is the only platform unable to run any web apps at all.

HTML5 on WP7: What do you propose MS do... ship WP7 with a beta version of IE9 ?

Silverlight on WP7: Go and read.

www.silverlight.net/getstarted/devices/windows-phone/

IE9 can take to Ent 7, if loaded just after chipset & updates, without Languages. Languages Are Kiler, if more than 5 standard, ie Not Genuine mafia, Korean mafia Evalaution Build.

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Especially in standards! Now if only they had the extensions of Firefox, and I could make the jump from this sinking Mozilla monstrosity.

I wonder what's so bad about HTML5 that they are all promoting it, it must have something nasty about it most people aren't aware of.

And another q.: why aren't all browsers 100% compatible with the current CSS version? How is it possible with so many people on the internet and so many people working on these things that they can't manage? I mean I could understand if browsers were slow when using some elements, but browsers not 100% supporting CSS's makes no sense to me really, and why are they working on silly GUI things before they have the basic functionality down?

HTML5 is important. It's the future of the web.

However, anyone who buys a Windows Phone 7 phone will find that its only web browser (IE7 Mobile) does not support HTML5 at all. Not only that, but it doesn't support Flash or even Silverlight (Microsoft's own discarded format).

The future of the web is mobile, it's HTML5, yet Microsoft's phones are the only devices on the market that do not support it.

"It might mean that developers don't have to spend hours checking whether Microsoft's browsers render their code correctly."

How will Microsoft magically force the ~50% marketshare IE users to upgrade.. give Windows 7 away?

"It might mean that developers don't have to spend hours checking whether Microsoft's browsers render their code correctly."

Apart from the countless thousands still running IE6 because their work says they have to :(