Qt

Eike Ziller

Qt Creator 4.4 Beta released

Published Thursday July 20th, 2017 | 35 Comments on Qt Creator 4.4 Beta released
Posted in Dev Loop, Qt, QtCreator, Releases

We are happy to announce the release of Qt Creator 4.4 Beta! Editing This version of Qt Creator features optional inline annotations for warnings and errors from the Clang code model and for bookmark comments (Options > Text Editor > Display > Display annotation behind lines). This way, you can easily see the details of […]

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Jesús Fernández

Qt WebGL Streaming merged

Published Friday July 7th, 2017 | 54 Comments on Qt WebGL Streaming merged
Posted in Dev Loop, OpenGL, QPA, Qt, Qt Quick, Qt Quick 2, Qt Quick Controls | Tags: , , ,

Some time ago I published a couple of blog posts talking about Qt WebGL Streaming plugin. The time has come, and the plugin is finally merged into the Qt repository. In the meantime, I worked on stabilization, performance and reducing the calls sent over the network. It also changed a bit in the way the […]

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Eike Ziller

Qt Creator 4.3.1 released

Published Friday June 30th, 2017 | 25 Comments on Qt Creator 4.3.1 released
Posted in Biz Circuit & Dev Loop, Qt, QtCreator, Releases

We are happy to announce the release of Qt Creator 4.3.1. This release contains a range of bug fixes. Most importantly we fixed a memory leak in code completion, which lead to out-of-memory crashes after a while, especially for users on 32-bit Windows. The new version also includes a multitude of improvements for the CMake integration, fixes […]

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Thomas Hartmann

Digital Instrument Cluster with Qt Quick Designer and Qt Safe Renderer

Published Wednesday June 21st, 2017 | 3 Comments on Digital Instrument Cluster with Qt Quick Designer and Qt Safe Renderer
Posted in Automotive, Biz Circuit & Dev Loop, Design, QtCreator, RTOS | Tags: , , ,

The growth of reconfigurable digital instrument clusters in the automotive industry is exploding. This is driving a need for high performance graphics technologies, designer tooling and solutions for safety critical systems. The highly optimized Qt Quick technology is a great fit for creating modern digital clusters. Its plug-able back-end technology supports various rendering methods from OpenGL down through […]

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Tuukka Turunen

Performance Improvements with Qt 5.9 LTS

Published Wednesday May 31st, 2017 | 10 Comments on Performance Improvements with Qt 5.9 LTS
Posted in Biz Circuit & Dev Loop, Boot time, Embedded, Graphics, Qt, Qt Quick, Releases

Qt 5.9 LTS improves Qt Quick and QML performance significantly, especially with Linux on ARM. We have worked hard to improve the performance in multiple areas: within the QML engine, Qt Quick graphics, QML Compiler and in the Qt Quick Controls, to name some examples. Performance has improved significantly across all areas, with some items […]

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Tuukka Turunen

Functional Safety with the Qt Safe Renderer

Published Monday May 22nd, 2017 | Comments Off on Functional Safety with the Qt Safe Renderer
Posted in Automotive, Biz Circuit & Dev Loop, Embedded, Graphics, RTOS

I am pleased to announce a new approach for inclusion of functional safety critical user interface elements in Qt based systems. The new Qt Safe Renderer makes it easy to create safety critical systems that also have a rich graphical user interface. Industries such as automotive, medical and industrial automation, where Qt is the leading UI framework, can […]

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Tuukka Turunen

INTEGRITY RTOS Support in Qt 5.9 LTS

Published Wednesday May 17th, 2017 | 4 Comments on INTEGRITY RTOS Support in Qt 5.9 LTS
Posted in Dev Loop, Qt, RTOS

I am pleased to confirm that Qt 5.9 LTS officially supports the INTEGRITY Real-Time Operating System (RTOS) from Green Hills Software. INTEGRITY was initially supported with Qt 4.8 and will again be supported from Qt 5.9 onwards. The interest in running Qt on INTEGRITY has been customer driven, primarily from Automotive for use in safety certified Instrument Clusters, […]

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Frederik Gladhorn

Fixing a flaky test – how hard can it be?

Published Friday May 12th, 2017 | 2 Comments on Fixing a flaky test – how hard can it be?
Posted in C++, Debugging, Dev Loop, Qt, Random, Test | Tags: , , , , ,

Flaky tests are a pain point for any reasonable continuous integration system. And by flaky I refer to tests that sometimes pass and sometimes fail. Lately I’ve been bothered by a lack of data and metrics when it comes to discussions around the topic of flaky tests (it pops up regularly on the Qt development […]

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