The firmware update cycle is heating up, but don't chase every release. INAV 9.1.0 and PX4 v1.17.0 represent real stability iterations for autonomous flight—worth testing if you're flying GPS-dependent missions or precision mapping—but those 2025.12.x Betaflight patches are minor tweaks that only matter if you're racing or running edge-case tuning setups. The actual headline is that micro-drone stealth tech (optical invisibility at high spin rates) is finally moving from lab curiosity to practical reality, which will reshape surveillance and regulatory conversations way faster than firmware notes ever could. Skip the update FOMO unless your specific use case is broken; focus instead on where the hardware innovation is actually disrupting the category.