How is this for stability?: Optimized build for the D-Link DIR-860L
To be fair, I also have a second mt7621 device running in a different environment which would reboot/lock-up once a week on average. This is presumably because it is connected to a switch which utilizes pause frames, and for some reason there is a bug with the mt7530 that causes it to misbehave with pause frames. I have written an experimental patch that disables pause frames completely and this Monday it will officially have 4 weeks of total stability.
So depending on your environment, your mileage may vary 