https://www.arr-ota.com/ Over-the-air updates, engineered for developers. en Sat, 31 Oct 2026 12:32:10 GMT https://www.arr-ota.com/delta-updates-binary-diffing-firmware-ota/ https://www.arr-ota.com/delta-updates-binary-diffing-firmware-ota/ When a firmware image weighs 40MB and your fleet numbers seven figures, the naive full-image push becomes a line item nobody wants to explain to finance. Delta updates — shipping only what changed — can cut bandwidth by 99% or more. Here's how binary diffing works and where it bites back. ARR-OTA Engineering Deep Dive Sat, 31 Oct 2026 12:12:50 GMT https://www.arr-ota.com/rollback-first-ota-update-pipeline/ https://www.arr-ota.com/rollback-first-ota-update-pipeline/ Over-the-air updates without a verified escape hatch aren't a deployment strategy — they're a bet. From bricked infotainment systems to dead smart thermostats, the industry's worst OTA failures share one trait: no path back. Here's a framework for making every update reversible. ARR-OTA Reliability Engineering Sat, 31 Oct 2026 12:12:50 GMT