[Development] Updating the licence policy for Qt Project

[Jake Petroules]

On 2014-08-22, at 05:04 AM, Knoll Lars <Lars.Knoll at digia.com> wrote:

> On 22/08/14 09:29, "Jake Petroules" <jake.petroules at petroules.com> wrote:
> 
>> On 2014-08-22, at 03:21 AM, Knoll Lars <Lars.Knoll at digia.com> wrote:
>> 
>>> Hi,
>>> 
>>> The goal here is that adopters of those new Qt modules will have to
>>> abide
>>> by the terms of the LGPLv3, which require the ability to replace the Qt
>>> that is on the device on the actual device, thus creating an open
>>> ecosystem for application developers, or instead purchasing a different
>>> licence from Digia, which results in investments in Qt.
>> 
>> Can you clarify how this would affect, for example, a closed source
>> Qt-based application on iOS 8.0 using LGPLv3 and dynamic linking (or
>> static linking + providing object files)? Does the FairPlay DRM used by
>> Apple constitute a breach of the requirement to be able to replace the
>> copy of Qt that is on the actual device? Or is this more about the
>> hardware itself being read-only (i.e. baked-in firmware on embedded
>> devices)?
> 
> From what I know (and IANAL), the iOS App Store is not really compatible
> with LGPLv3, and even LGPLv2.1 is somewhat questionable. Fortunately I
> can't see any issues with Google Play or the Microsoft Marketplace. Both
> are apparently compatible with LGPLv2.1 and LGPLv3.

What makes the iOS App Store different from the others?

> But as said the modules that we have in Qt 5.3 continue to be available
> under LGPLv2.1.
> 
> Cheers,
> Lars


-- 
Jake Petroules - jake.petroules at petroules.com
Chief Technology Officer - Petroules Corporation
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