It brings various quality improvements for various languages
Microsoft and Nokia have yet to deploy the promised Windows Phone 8 Portico upgrade to all Lumia 920, and it looks like the smartphone is now receiving another update that improves the phone's features even further.The folks at WMPoweruser report that the update is only available in Canada for the moment and we're not sure if it is meant for Lumia 920 units in other countries as well.
According to MonWindowsPhone forums, owners of Lumia 920 devices purchased via Rogers have started to receive another update post-Portico.
This update is said to include quality improvements for languages, though no other details are provided. There's a high chance that this update is related to Canadian French language, which is why it might not be available in other countries. Stay info for more info on the matter.