Update:
Microsoft has officially confirmed that the latest firmware update for Lumia 950 and 950 XL is only available via WDRT and not OTA. This is another thing though that it doesn’t bring anything significant and only fixes. Check the official details below.
01078.00038.16082.360xx firmware release (March 2016) for Lumia 950/950 XL. Combines fixes included in 01078.00038.16025.390xx firmware and 10.0.10586.107 OS update to factory and repair channels (including Windows Device Recovery Tool). Not available via Over-The-Air (OTA).
Good news for Lumia 950 owners!! It seems Microsoft may be planning to push a new firmware update soon to Lumia 950 and probably Lumia 950 XL too. The firmware update is available via only WDRT for now and as you can be seen in the above screenshot the new version is 01078.00038.16082.36022 for Lumia 950 Dual-Sim.
The official firmware version available for Lumia 950 and Lumia 950 XL as per the official update info is 01078.00038.16025.390xx. It is obviously not clear what is new in this update but we will keep you update once it becomes official.
Thanks Xander Heineke for the tip and screenshot. Cheers!!