[Interest] Update breaks version

[Kai Koehne]

> -----Original Message-----
> From: Interest [mailto:interest-bounces+kai.koehne=qt.io at qt-project.org]
> On Behalf Of Duane
> Sent: Monday, December 19, 2016 4:10 PM
> To: interest at qt-project.org
> Subject: [Interest] Update breaks version
> 
> I have Qt installed on Windows using MinGW.  I was at 5.7.0 and updated via
> the Maintenance tool to get to 5.7.1 and Creator 4.2.0.  My programs build
> but when I deploy them to systems with 5.7.0 dlls they don't work.
>   I thought the dlls were compatible through minor revisions?

They should be, and the toolchain to the best of my knowledge hasn't changed
in 5.7.1 packages.

Could you clarify what 'don't work' means? I suggest to run the application
in the Profile mode of 'Dependency Walker' (depends.exe) to find out details.

Regards

Kai