[Interest] Qt 6.5 Is Irrelevant...

Michael Jackson mike.jackson at bluequartz.net
Mon Dec 19 16:59:41 CET 2022

Just some clarifications:


Apple used 68K processors from 1984 to 1994. 10 Years of use.


Apple Started using PPC in 1994 (Announced in 1992) and their last PPC machine was in 2006. 12 Years of use.


Apple started using x86 in 2006 and their last x86 machine was in 2020 (which is still in production). 14+ years of use ( and macOS still officially supports x86 releases)


Apple started using Arm64 in 2020…. 


So not really a “jolt every 3 years”. You have had 3 _total_ jolts over the course of 30 years. 



Mike Jackson 


From: Interest <interest-bounces at qt-project.org> on behalf of Turtle Creek Software <support at turtlesoft.com>
Date: Sunday, December 18, 2022 at 10:24 AM
To: Qt Interest <interest at qt-project.org>
Subject: Re: [Interest] Qt 6.5 Is Irrelevant...


We sell to construction companies.  They are not computer geeks, and often run the original OS until the machine dies.  Given the flakiness of some Mac OS upgrades, that may be ideal policy.  


Apple moves far too fast with chip, OS and language changes. It's hard for small developers to keep up. We started on 680x0, Pascal and Toolbox. That's 3 chips, 3 languages and 3 OS frameworks ago. A jolt every 3 years.  


We gave up on Xcode/Cocoa since Obj-C seemed doomed and we have too much C++ code to ever port to Swift and/or SwiftUI.  I imagine Qt faces the same problems, but on a more system level.


If Qt Co does not have the resources to support more than 3 years of OS versions, then please at least create some good stopping points that solidly support older Mac OS versions. Explain which to use for which OS ranges. Then, developers may need to build multiple apps.  That kinda sucks, but it's better than losing/annoying users because they don't want the expense/pain of new hardware.


Casey McDermott


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