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The transactional updates sounds a bit like Ubuntu-Snappy-Core. Does ResinOS have a significantly smaller footprint?

Also curious about the Raspberry Pi story.

Transactional updates are pretty much standard for embedded devices that care about updates. Android Brillo, ChromeOS, Android, Snappy, and many many others employ similar strategies.

ResinOS does indeed have a smaller footprint, a broader set of supported architectures (Snappy only supports ARMv7 and above), and uses Docker instead of LXD+snaps.

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