There are currently no 64-bit ARM (AArch64) binaries of the Arduino IDE available to download, and it doesn't quite build from source.

I have modified the source of the IDE and all binary dependencies so that it builds (at least on Ubuntu 16.04), and will eventually send pull requests for all the build script repos.

Question: How do we go about updating the tool downloads on arduino.cc so that the IDE build can pull in the binary dependencies? Will you run the build process for each dependency after the relevant pull requests are merged, or would you want me to supply the binaries (for corporate legal reasons, that would be painful for me). Do you have access to an AArch64 to run the builds (NVIDIA Jetson TX1/TX2, a Raspberry Pi with a non-default Linux distro, and probably a few other devices would work).