Sigfox has released updated numbers and confirmed that it is a long way off what many in the analyst community expected the LPWAN provider to have achieved. It comes after a period of intense speculation surrounding executive departures, and a growing sense that 2018 will be the year that makes or breaks the company. Sigfox said that it had 2.5m active devices on its global network in 2017, up 65% since the year before – meaning it had 1.51m in 2016, adding 984,848 in the year to reach that 2.5m. In terms of revenue, it posted €50m in 2017, up 56% from 2016 – meaning 2016 revenues were €32m. Sigfox missed its revenue target this year by around €10m, but…