Correct. With no patch families defined, we do pick up all changes but then the 
MsiPatchSequence table isn't generated. Various MSI3+ features are keyed off 
the existence of this table (and it cannot be empty - I tried and MSI fails 
immediately to apply such a patch; other MSI3+ features like uninstall are 
keyed off of MsiPatchMetadata). So adding a patch family is necessary for the 
right behavior, so the <All/> element I added allows for the same build 
behavior to pull in all changes (though I exclude ProductCode since MSPs must 
not change it - this is from the MSI team themselves) while allowing for the 
creation of user-defined patch families.


Heath Stewart
Software Design Engineer
Visual Studio, Microsoft
http://blogs.msdn.com/heaths

 > Date: Thu, 21 Feb 2013 05:27:34 -0800
> From: [email protected]
> To: [email protected]
> Subject: Re: [WiX-devs] The One Patch
> 
> I have one patch family authored that is empty and I'm experiencing similar
> problem. I'm using WiX 3.5. Could it be that the cause of this behavior is
> the same as when no patch families are authored?
> 
> Regards,
> 
> Zlatko Lovcevic
> 
> 
> 
> --
> View this message in context: 
> http://windows-installer-xml-wix-toolset.687559.n2.nabble.com/The-One-Patch-tp7583175p7583834.html
> Sent from the wix-devs mailing list archive at Nabble.com.
> 
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