[Interest] Qt 5.15 LTS vs Qt 6.2 LTS

Tuukka Turunen tuukka.turunen at qt.io
Thu Sep 23 11:52:04 CEST 2021


Without knowing the details, of course a bit difficult to give definite guidance. Generally, if you are now using an earlier release of Qt, it is a good approach to first migrate to Qt 5.15 and fix all deprecation warnings etc before migrating to Qt 6.x. Just from the development / porting viewpoint, i.e. whether you ever ship with Qt 5.15 does not matter in this regard. Some small application can be ported directly, but for larger codebase it can be beneficial to take this intermediate step.



From: Interest <interest-bounces at qt-project.org> on behalf of Ramakanth Kesireddy <rama.kesi at gmail.com>
Date: Thursday, 23. September 2021 at 9.38
To: Qt Interest <interest at qt-project.org>
Subject: [Interest] Qt 5.15 LTS vs Qt 6.2 LTS

Our application on embedded linux uses Qt Quick, Qt5 sqlite, Qt5 Remote objects, Qt5 Concurrent, Qt5 Webengine, Qt5 Printsupport along with Qt5Core and Qt5GUI.

As we are currently planning to upgrade to Qt 5.15 LTS, does it makes sense to move to Qt 6.2 LTS wrto stability and performance?

Appreciate your suggestions in this regard.

Best Regards,
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