Silverlight may be dead in Redmond, but Microsoft's customers were somewhat 
blind-sided by that recent strategy change - Build was only 8 months ago. For 
many customers, they don't really have a choice but to keep using SL. They 
bought into what was being pitched to them for years - the ability to run 
managed code in a browser - and Microsoft didn't give an alternative to that 
when it announced the early death of SL. I haven't seen any new projects since 
October that target SL, but I also haven't seen any cases where ongoing SL 
projects were abandoned either.

For the project where we are using Iron Python with our client, SL support is 
pretty important for us for at least the one to two year timeframe, likely 
longer. If IP3 were to drop SL support, then we would not be able to move to 
it. In our case, we have a fairly sizable industry-vertical application that 
compiles to both WPF and Silverlight runtimes (plus some back-end processing 
services). Some customers use only the WPF front-end, others use both. Python 
scripts run in both the WPF and SL UI environment, as well as the back-end 
environment. It is therefore important for all to be synchronized to the same 
IP build.

SL5 only (dropping SL4) should be OK, but dropping all SL support will put us 
in a very serious predicament. We can't just chop scripting support for the SL 
front-end and expect our users to get over it. So if v3 doesn't support SL, 
then we probably won't be able to move to it. This is further complicated 
because we are also exploring concepts for supporting the Android, WinRT and 
(perhaps) iOS platforms - and I would be very worried about 2.7's stability on 
those once v3 becomes the norm.



Keith Rome
Senior Consultant and Architect
MCPD-EAD, MCSD, MCDBA, MCTS-WPF, MCTS-TFS, MCTS-WSS
Wintellect | 770.617.4016 | kr...@wintellect.com
www.wintellect.com

-----Original Message-----
From: ironpython-users-bounces+rome=wintellect....@python.org 
[mailto:ironpython-users-bounces+rome=wintellect....@python.org] On Behalf Of 
Jeff Hardy
Sent: Friday, July 06, 2012 11:28 AM
To: sepa...@sibmail.com
Cc: ironpython-users@python.org
Subject: Re: [Ironpython-users] WP7 & Silverlight Support in IronPython

On Fri, Jun 29, 2012 at 11:05 PM,  <sepa...@sibmail.com> wrote:
> Silverlight is very necessary.

Would you be fine with SL5 only, as Jimmy suggested? Also, how necessary is it 
that IronPython 3 support it? I don't see SL having much more takeup from now 
on, so I'm fine with supporting SL5 on 2.7 but dropping it from the 3.0 series 
(keeping in mind 3.0 is probably a year away).

That would leave 3.0 supported on desktop, WinRT (Win8 + WinPhone8), Android, 
and maybe iOS. Basically, platforms with a future, and WinRT.
;)

- Jeff
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