https://arstechnica.com/gadgets/2017/05/googles-fuchsia-smartphone-os-dumps-linux-has-a-wild-new-ui/

Fuchsia is not based on Linux—it uses a new, Google-developed microkernel called "Magenta." With Fuchsia, Google would not only be dumping the Linux kernel, but also the GPL: the OS is licensed under a mix of BSD 3 clause, MIT, and Apache 2.0. Dumping Linux might come as a bit of a shock, but the Android ecosystem seems to have no desire to keep up with upstream Linux releases. Even the Google Pixel is still stuck on Linux Kernel 3.18, which was first released at the end of 2014.

Google's documentation describes Magenta as targeting "modern phones and modern personal computers with fast processors, non-trivial amounts of RAM with arbitrary peripherals doing open-ended computation." Google hasn't made any public, official comments on why Fuchsia exists or what it is for, leaving us only to speculate. The "modern phone" shout out certainly sounds like something that could eventually compete with Android, but for now the OS is so early, it's hard to tell.

Fuchsia is impossible to talk about without mentioning a hundred other related projects that also have code names. The interface and apps are written using Google's Flutter SDK, a project that actually produces cross-platform code that runs on Android and iOS. Flutter apps are written in Dart, Google's reboot of JavaScript which, on mobile, has a focus on high-performance, 120fps apps. It also has a Vulkan-based graphics renderer called "Escher" that lists "Volumetric soft shadows" as one of its features, which seems custom-built to run Google's shadow-heavy "Material Design" interface guidelines.

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