What is the benefit? Why is this valuable?

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Qt has a long history of supporting ARM-based platforms as a development target. With a broader availability of ARM-based desktop hardware and interest from various customers, we should provide support for using Linux on ARM-based hardware as a development host. This would also allow development and running of Qt-based apps on the same machine and not only deploying to a remote ARM-based target. In addition to following  customer requests, we also ensure early support, and get prepared ahead of a potentially high demand in the future

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What are common use cases?

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End user has an ARM-based development host with Windows OS,  writing code, compiling, running, testing and packaging an app on one (the same, ARM-based) machine.

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Note that there is no known demand to cross-compile on ARM-based host and deploy to a x86-based target. So, we assume that for the development of x86 apps, an x86 host is used.

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Technical information

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Leat problems are expected on the platform side. More work might be needed on the packaging and testing side as well as for the installer