Genymotion 2.12.1 Devices (June 13th, 2018) - Genymotion

Android 8.0 Oreo can now use an emulated WiFi connection instead of an ethernet connection.

In some cases, GPS sensor would become unresponsive: This has been fixed.
If you were using Oracle VirtualBox 5.2.X with Genymotion, the sound output could completely stop, or be distorted. This has been fixed, the sound output now works with Oracle VirtualBox 5.2.X
On old CPUs (Intel Core 2) Android 8.0 Oreo was stuck in a bootloop:This has been fixed
The emulated GPS sensor produced a staircase effect, by updating Latitude and longitude values separately. They are now applied at the same time, removing the staircase effect.