Microsoft has started rolling out a new update for the Lumia 950 and the 950 XL , starting in UK and Ireland. The update brings the version number to 01078.00027.15506.020xx.
The update includes some changes and bugs fix:
*Stability and performance improvements.
*Improvements for SD memory card support.
*Improvements for automatic display brightness settings.
*Fix for a camera problem that was causing noisy images in low-light conditions for some users.
*Fix for a 4K video problem that was causing stripes to show up while playing back recorded videos for some users.
Make sure you check your device for the update.