Hi,

This disclaimer is because every case can be a bit special. We are trying to 
avoid a case where someone clearly violates the license and then comes with 
explanation, because N.N. said years ago that ABCDC is ok. 

The basic rules are simple:
- If you use Qt under open-source, check what LGPL and GPL (in case you use 
that) require you to do
- If you use Qt under commercial license, check what the commercial license 
agreement says, and ask in case it is not clear
- If you are involved in situation where both open-source and commercial Qt is 
used, do not mix them 

I think our licensing FAQ is quite clear, but I am naturally biased. 

Yours,

        Tuukka

On 31.3.2020, 22.57, "Interest on behalf of Bernhard Lindner" 
<interest-boun...@qt-project.org on behalf of priv...@bernhard-lindner.de> 
wrote:

    Hi Tuukka!
    
    > I have also tried to explain these, but your tone feels rather 
aggressive. I do not
    > understand what makes you say: “Even a solo developer needs to hire a 
lawyer before
    > touching anything Qt-related.” 
    
    Because this is what users hear in MLs and forums, when they ask about Qt 
licensing
    issues. The recurring answer is: "don't know, don't understand, hire a 
lawer". 
    
    And because this is written in your FAQ: "It is always recommended to 
contact a lawyer
    familiar with open source licenses for a full review of your project to 
determine whether
    you can fulfill all of the obligations of applicable open source licenses".
    
    -- 
    Best Regards,
    Bernhard Lindner
    
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