Ok then what about storing the .settings files (or even directory) on a per IDE/CDT Version, so that a project can be 
open by various version of the IDE.

I don't know about how other people do thing but the way I like to do thing is when a IDE comes out (beta or not), it's 
deployed to a limited number of users ( 1-2 ). They learn the new stuff and then when they feel ready, everybody get the
 upgrade.  That way there aren't lots of people going through the same learning curve at the same time, and the first 
users can help the other to shorted the learning curve.

> -----Original Message-----
> From: Andy Jin [mailto:community-noreply@qnx.com]
> Sent: Friday, August 07, 2009 11:34 AM
> To: general-ide
> Subject: RE: IDE 4.7 Integration build 20090805 is available for
> download.
> 
> At first glance due to the inclusion of new Eclipse platform and new
> CDT, project metadata forward compatibility is not guaranteed. Eclipse
> and CDT may have new metadata or deprecate old metadata.
> 
> We can add this as one of our verification requirement.
> 
> If our testing shows that you can use the ".project" and ".cproject"
> files in the previous IDE, I don't think you can re-use the ".settings"
> since in IDE 4.7 we start including the P2 engine which changes the way
> it saves product metadata dramatically.
> 
> 
> -----Original Message-----
> From: Mario Charest [mailto:community-noreply@qnx.com]
> Sent: Friday, August 07, 2009 11:23 AM
> To: general-ide
> Subject: RE: IDE 4.7 Integration build 20090805 is available for
> download.
> 
> It make sense to me the workspace many not be forward compatible, but I
> think the project definition files ( .cproject, .project, .settings )
> should be?  If I work on a project with 4.7 and commit changes which
> affects the project's definition files,  someone with 4.6 should be
> able
> to work on that same project?
> 
> > -----Original Message-----
> > From: Andy Jin [mailto:community-noreply@qnx.com]
> > Sent: Friday, August 07, 2009 11:20 AM
> > To: general-ide
> > Subject: RE: IDE 4.7 Integration build 20090805 is available for
> > download.
> >
> > We have a requirement for workspace backward compatibility. The
> > requirement statement is:
> >
> > Upgradeable Workspace: IDE 4.7 shall allow customers to import
> existing
> > workspaces from IDE 4.6 (SDP 6.4.1) and IDE 4.5 (SDP 6.4.0) into the
> > new
> > IDE. The customer projects shall preserve all custom settings and be
> > buildable from the new IDE.
> >
> > Based on our developer verification this requirement is met.
> >
> > For "forward" compatibility - if you mean workspace created in IDE
> 4.7
> > to be able to use by previous IDE, we have never claimed supporting
> it.
> >
> > Thanks,
> > Andy
> >
> > -----Original Message-----
> > From: Mario Charest [mailto:community-noreply@qnx.com]
> > Sent: Friday, August 07, 2009 11:08 AM
> > To: general-ide
> > Subject: Re: IDE 4.7 Integration build 20090805 is available for
> > download.
> >
> > > The first IDE 4.7 Integration build 20090805 is now available for
> > download.
> > >
> >
> > Are the workspaces and .cproject backward and forward compatible with
> > 4.6?
> >
> >
> >
> 
> 
> 
> 
> _______________________________________________
> 
> General
> http://community.qnx.com/sf/go/post35480
>