What is the latest and stable Firmware for Arducopter Octa Quad?

[rcdevil (Freddo)]

Hi there,
What is the latest and stable Firmware for Arducopter Octa Quad?
thanks.

[Dave84 (David)]

Good day, if im not mistaken is 4.0.3

[amilcarlucas]

You should use 4.0.4-rc2. It fixes some compass issues