WhatsApp have now release some new features for BlackBerry10 apps. This brings the version to v2.11.605.2 bringing the below updates:-

– New in-app media browser
– Improved face/proximity detection during voice message playback (10.2)
– Holding Alt while tapping Emoji on the Q-series now prevents the picker from closing
– Chat screen settings to change “Send” button behavior and show the floating action
bar(under “Advanced Settings”)
– Improved performance when opening chats from the hub
– Miscellaneous bug fixes
– Fixed startup issues on 10.0 and early 10.1