Hi, Functional safety is a complex topic with multiple different standards depending upon what you are creating. In essence the needed measures are depending upon how likely someone is to get hurt when something goes wrong. The need depends upon what is done and typically there are multiple ways to achieve what is needed.
Here is a few years old presentation on the topic: https://youtu.be/AaU0OcOKlFk In the Qt website there is also further info on the topic: https://www.qt.io/product/functional-safety-and-qt Yours, Tuukka From: Interest <interest-boun...@qt-project.org> on behalf of Benjamin TERRIER <b.terr...@gmail.com> Date: Monday, 3. May 2021 at 19.22 To: eric.fedosej...@gmail.com <eric.fedosej...@gmail.com> Cc: Qt Interest <interest@qt-project.org> Subject: Re: [Interest] L Word Le lun. 3 mai 2021 à 18:03, <eric.fedosej...@gmail.com<mailto:eric.fedosej...@gmail.com>> a écrit : So basically open source/standard Qt was considered appropriate for safety critical devices prior to the introduction of Safe Renderer in 2017, but now only commercial Qt with Safe Renderer is appropriate for that purpose. Before anyone says otherwise, Qt was widely used in safety critical applications before Safe Renderer existed. See for example the text from introductory blog post about Safe Renderer: “Industries such as automotive, medical and industrial automation, where Qt is the leading UI framework, can now satisfy safety critical requirements with Qt easier than before.” Qt never came with functional safety guarantee, so if you want to use Qt for that you have to audit and certify a specific Qt version (or whatever the regulator asks you to do). That's what had to be done before the introduction of Qt Safe Renderer, and that is something you can still do. As the blog post says, the Qt Safe Renderer make it easier to use Qt in functional safety products because you only need to have the Qt Safe Renderer audited/certified an possibly it is something that TQC already does, removing the burden from its clients.
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