Changelog of WhatsApp beta for iOS 2.16.7:

01) Bugs fix.
02) Updated all localizations.
03) New UI for WhatsApp > Settings > About & Help.
04) Improvements for WhatsApp bubbles.
05) Improvements for loading contacts when you want to create a new group or a broadcast list.
06) Improvements for voice messages.
07) Improvements for the audio slider.
08) Improvements for documents.
09) Many improvements for video calls!
10) WhatsApp added GIF support in this release!
11) Improvements about memory deallocation (it will improve the stability).
12) The profile picture of voice messages is round now.
13) WhatsApp should show you a timer during the chat history restoring (still not enabled).
14) Improvements for encryption.
15) Many objects obtained animations.
16) Seems that you will be able to save GIF in your camera roll.
17) WhatsApp supports autoplay of GIFs.
18) WhatsApp should show you a timer while you are performing a chat history backup (still not enabled).
19) Many improvements for voice calls UI.
20) Improvements for recording voice calls (it is a hidden feature since voice calls were available).
21) Many improvements for video call preview!
22) Many improvements for video call minimized window!
23) Seems that you can select multiple chats to perform a multiple deletion or multiple "Read" action.
24) Seems that you will be able to see active group participants list in future.
25) Many improvements about chat section!
26) WhatsApp can convert a GIF as a simple image, if you want, before the sending.
27) When you send a picture, WhatsApp will show you the upload progress (before the app showed it for documents and videos only).
28) Added the possibility to directly reply to GIF messages.
29) This release includes the support for public groups through invite link.
30) Added encryption to GIF.
31) GIFs support peek and pop actions.
32) Seems that you will be able to collect stickers.
33) MAYBE you will be able to continue to listen an audio even if you will exit from the chat where there was the audio that you were listening (it should be a hidden/incomplete feature).
34) WhatsApp is studing a new way to communicate. Stay tuned for more information, I will study better this.
35) Improvements for quick reply.
36) Improvements for scanning others' QR code in WhatsApp > Profile (Hidden section).
37) Improvements for the scrolling.
38) You will be able to invite to WhatsApp your friends using any application (WhatsApp > Tell a Friend).
39) Improvements for starred messages.
40) Improvements for generating/revoking an invite link if you are an administrator.
41) Improvements for cropping images.
42) Improvements for autoplaying GIF.
43) Improvements for unstarring all messages.
44) WhatsApp can share GIFs from the camera roll. (HIDDEN FEATURE).
45) WhatsApp can share GIFs using Share Extension (iOS 8+).
46) Improvements for updating invite link for groups.
47) Improvements for VoiceOver about quoted messages.
48) Bubbles support Dynamic Font (you can manage this option in the iPhone Settings).
49) The WhatsApp chat bar supports Dynamic Font.
50) New UI for the "Add participants" section.
51) Add VoiceOver support for GIF.

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OTHER IMPORTANT NEWS.
01) ALL WhatsApp for iOS (and some news for Android and WP) hidden features here: http://pasted.co/514ee5e1
02) WhatsApp video calls screeshots: https://twitter.com/WABetaInfo/status/722432323195678720
03) Deleting feature: http://pasted.co/8f00d82b
04) Quoted messages screen thanks to @iMokhles: https://twitter.com/WABetaInfo/status/715112165250826240
05) You can see future WhatsApp stickers here: https://twitter.com/WABetaInfo/status/711146316026478592
06) New Profile section for easily adding other phone numbers: https://twitter.com/WABetaInfo/status/721431371458195460
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