The firmware update arms race just got real. We're seeing simultaneous major releases across Betaflight, ArduPilot Plane, ArduPilot Copter, and iNav in the same window—that's not coincidence, that's competition. ArduPilot's 4.7.0 milestone matters because it signals these open-source stacks are finally threading the needle between stability and feature velocity that commercial platforms took years to achieve. The real story isn't the updates themselves; it's that DIY drone pilots now have legitimately production-grade autopilot options, which makes DJI's FCC LiDAR panic letter look increasingly defensive rather than defensive-necessary. Watch whether these open stacks start eating into commercial detection/mapping workflows—that's where the actual disruption lives.