[Development] Qt 5.10 pre-built bunaries

Jake Petroules Jake.Petroules at qt.io
Wed Jun 7 17:46:55 CEST 2017

> On Jun 7, 2017, at 12:30 AM, Lars Knoll <Lars.Knoll at qt.io> wrote:
> Hi Jani,
>> On 7 Jun 2017, at 08:57, Jani Heikkinen <jani.heikkinen at qt.io> wrote:
>> Hi all,
>> There has been discussion ongoing about 5.10 supported platforms and CI configurations. What we haven't agreed yet is Qt 5.10 pre-built binaries. I don't see big need to change anything from 5.9 but there is still couple of things on my mind:
>> - Should we now switch from MinGW32 bit -> MinGW 64bit ones? With 5.9 this was too early but would it be time to do it now? Offering both isn't an option. And 5,9 is LTS so 5.10 could be good release to change that...
> We got a lot of questions about 32bit binaries still in the comments to the release blog. But those were pretty much all about VS2017. I'd personally be happy to move more towards 64 bit, but we should somehow find out how much 32bit is still required by our users.
>> - Can we start using RHEL 7.4 for linux packaging? Tony is planning to add RHEL 7.4 in CI and so on it would be wise to replace 7.2 with 7.4 in the packaging as well
> Sounds good to me, unless anybody knows about any reasons why we should stay on 7.2.
>> Is there some other change proposals which we should discuss about? 
> I think we should strongly consider dropping 32bit for iOS.

I thought we already agreed to do this. :) With Apple announcing that iOS 11 will no longer support 32-bit applications, let alone CPUs, there's very little value in us supporting it. 80-90% of iOS devices will likely be on iOS 11 in the first week or month of its release, and of the percentage that aren't, only a minority will be the 32-bit iPhone 5.

We probably even support too many iOS versions as it is. Apple's official recommendation is that your deployment target should be "major version one below current, maximum minor version" - i.e. when iOS 11 is out, your deployment target should be 10.3.

> Cheers,
> Lars
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Jake Petroules - jake.petroules at qt.io
The Qt Company - Silicon Valley
Qbs build tool evangelist - qbs.io

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