[Interest] Qt 5.3 vs Qt 5.4 (etc)

[Tomasz Olszak]

2015-01-10 11:35 GMT+01:00 René J.V. <rjvbertin at gmail.com>:
> On Saturday January 10 2015 11:29:56 Tomasz Olszak wrote:
>>2015-01-10 11:05 GMT+01:00 René J.V. <rjvbertin at gmail.com>:
>
> So in other words, there's backwards ABI compatibility which means more or less that only new features are added?
> That makes sense.
>
> If this principle was in place for Qt 5.2 too, I can thus upgrade my Linux box's Qt 5.2 (Ubuntu 14.04) to Qt 5.3.2 (backported from Ubuntu Vivid Velvet) without breaking the slew of packages that depend on Qt5?
>
Yes here is some draft of explanation:
http://qt-project.org/wiki/Qt-Version-Compatibility

And here is interesting article about it:
https://techbase.kde.org/Policies/Binary_Compatibility_Issues_With_C++