Qt

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, Functional Safety, 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, Functional Safety, 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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Styling Qt Quick Controls with Photoshop (research)

Published Friday April 28th, 2017 | 7 Comments on Styling Qt Quick Controls with Photoshop (research)
Posted in Design, Qt, Qt Quick 2.0, Roadmap

The Qt Quick Controls 2 undoubtedly have a great look and feel out-of-the box. But if the available styles don’t suit your needs, you can customize the look and feel by defining your desired style in QML. Styling without coding QML? However, we at Qt are wondering: what if you want to have your Qt […]

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