News: update for 3.1.6

(cherry picked from commit 7d23fa83d470ed97355510894eb103a9e7ed97dd)

Docs/NEWS

@@ -1,5 +1,13 @@
 # Changelog
 
+## iOS [3.1.6]
+
+· Fixed OneDrive integration by adopting newer Api
+· Fixed common crashes with Chromecast and display of black videos
+· Fixed crashes when backgrounding the App
+· Added better support for AV1 video playback by shipping dav1d decoder
+· Fixed playback problems with certain HEVC streams
+
 ## iOS [3.1.5]
 
 · Fixed an issue with mkv videos crashing on iOS 12