Ok that's helpful too, thanks

-----Original Message-----
From: Christopher Painter [mailto:chr...@iswix.com] 
Sent: 30 August 2012 14:42
To: General discussion for Windows Installer XML toolset.; General discussion 
for Windows Installer XML toolset.
Subject: Re: [WiX-users] any breaking changes between WiX 3.0 and WiX 3.5?

I'm pretty sure there are a few gotchas.   I think the hashing (MD5 vs SHA 
) was changed in 3.5 for FIPS compliance.  Also I make use of Votive 
integration and I recall some project upgrade problems along the lines of 
targets files and C++ linker settings.  (Certain filenames changed.)

It wasn't a painful upgrade but it also wasn't event free.

----------------------------------------
 From: "Pally Sandher" <pally.sand...@iesve.com>
Sent: Thursday, August 30, 2012 8:26 AM
To: "General discussion for Windows Installer XML toolset." 
<wix-users@lists.sourceforge.net>
Subject: Re: [WiX-users] any breaking changes between WiX 3.0 and WiX 3.5?

Upgrade to v3.6 not v3.5 as it's already had at release candidate status & will 
be officially released pretty soon. You can then use Burn to bootstrap the .NET 
4.0 framework as part of your install process.
As far as I remember it's a straight upgrade from v3.0 to v3.5 or v3.6, should 
be no changes needed to your source code.

Palbinder Sandher
Software Platform Engineer
T: +44 (0) 141 945 8500
F: +44 (0) 141 945 8501
http://www.iesve.com 

**Design, Simulate + Innovate with the <Virtual Environment>** Integrated 
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-----Original Message-----
From: Barrows, David [mailto:david.barr...@hitachiconsulting.com]
Sent: 30 August 2012 12:11
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] any breaking changes between WiX 3.0 and WiX 3.5?

Hello, I've been asked to work on upgrading an ASP.NET / MVC project from the 
2.0 version of the .Net framework to the 4.0 version. As part of that, I'm 
looking at the install packages and build scripts in the Visual Studio 
solution. Some of the WiX .wxs files contain lines like the following:

<PropertyRef Id="NETFRAMEWORK20INSTALLROOTDIR"/>

and it's used like this:

<Component Id='EventSource' DiskId="1" 
Guid="{DFD51048-81AF-4199-9820-57D4F5CB3B92}" KeyPath='yes' 
Win64='$(var.Win64)'>
<util:EventSource
Name="[EventSource]"
Log="Our Customer App Name"
EventMessageFile="[NETFRAMEWORK20INSTALLROOTDIR]EventLogMessages.dll" /> 
</Component>

It appears I could just leave this pointing to the .Net 2 install directory, 
because EventLogMessages.dll exists in all versions of the .Net framework. But 
I thought as long as I'm upgrading other components, it might be good to 
upgrade WiX as well. It seems to make sense to change the 
NETFRAMEWORK20INSTALLROOTDIR to NETFRAMEWORK40FULLINSTALLROOTDIR64.

This link:

http://wix.sourceforge.net/manual-wix3/wixnetfxextension.htm

says the variable "NETFRAMEWORK40FULLINSTALLROOTDIR64" only exists in the
3.5 version of WiX which means (if I want to use
NETFRAMEWORK40FULLINSTALLROOTDIR64) I'd need to upgrade from 3.0 to 3.5. 
I'm not sure that's a sufficient reason to upgrade but I can imagine 3.5 has 
many improvements over 3.0.

So my question is, can someone please point me to a list of breaking changes, 
if any, between 3.0 and 3.5? And / or give me any tips I should be aware of, if 
I do upgrade?

Thank you,

David Barrows

Hitachi Consulting UK Limited is a company registered in England with 
registration number 05660638 whose registered office is at 2 More London 
Riverside, London, SE1 2AP.
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