Image processing is much richer and more interesting than removing stars. Then you have a strong dependency on a process that performs an extremely specialized task. To summarize: being realistic, don't expect a native Apple Silicon version of PixInsight to be released before one year, and probably more time, depending on how other third-party components evolve, especially Qt.
This ranges from very simple cases to quite complex ones, which will also require a lot of work. All of these components must also be ported to run on Apple Silicon processors in a completely stable way. PixInsight depends on many other open-source and proprietary libraries, including file format support libraries such as CFITSIO, LibTiff, LibRaw, etc, and several utility, numerical and hardware control libraries. I need a lot of time to complete this task, especially considering that we have many other ongoing projects and priority tasks.
It requires a complete rewrite of hundreds of thousands of lines of complex and extremely delicate source code. I am starting to port the entire PJSR to a current version of SpiderMonkey, but the amount of work required to complete this task is huge. The SM version 24 that we are using in current versions of PixInsight is now obsolete and does not support ARM processors with the appropriate level of optimization. Our JavaScript development platform (PJSR) uses Mozilla's SpiderMonkey engine. However, based on my experience of more than 15 years doing Qt-based development, I don't expect this to happen before Qt 6.5, to be realistic. Stable and complete support of Apple Silicon for all Qt modules (including QtWebEngine, which is a port of the Chromium browser) is supposed to arrive with Qt 6.2 by the end of this year. However, the current versions 6.0.x of Qt are just proofs of concept, completely useless for a large and complex application like PixInsight. Full support of these processors on macOS will only be available in Qt 6. Currently we are using the latest Qt 5.15.3 LTS for the incoming version 1.8.8-8 of PixInsight, but Qt 5 does not support Apple Silicon processors. The PixInsight core application depends on the Qt framework. This means that it can be ported to run on ARM processors quite easily.
Our main codebase, including the entire PCL development framework and all PixInsight modules, is standard C++17 with just a few exceptions.
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