Server change:
The default GIF search provider for iOS is Tenor now (WhatsApp beta).

NEW WHATSAPP FAQ AVAILABLE

How do I move my chat history over to my new Android phone? (Android FAQ): https://www.whatsapp.com/faq/en/android/20902622

NEW WHATSAPP FAQ AVAILABLE

How do I use Google Drive backup? (Android FAQ): https://www.whatsapp.com/faq/en/android/28000019

@WABetaInfo experiment: how will new emojis (Unicode 9.0) look when WhatsApp will add them in a new beta update?
You can see them here!
Waiting an official beta that adds natively them 😊

I hope you appreciate my leaks today, in particular about Android, but I have another GREAT exclusive to show you.
It requires so much time to be enabled, but this will be one of the best hard hidden and secret WhatsApp feature of ever!

New WhatsApp beta for WP has the drawing tool feature like iOS and Android.
Thanks also for @WALeaks.

For videos it now looks like this, the "Convert to GIF button" has been moved to the top too.

Improvements for the UI for the "Tap to add caption" button, like they did before for the Chat UI.

The GIF search provider is officially enabled for WhatsApp 2.16.14!
If you have it still disabled, please make a backup and reinstall WhatsApp.

New layout for GIFs preview in GIPHY search provider.
WhatsApp beta for iOS 2.16.12.972.

GIF SEARCH PROVIDER IS NOW AVAILABLE IN WHATSAPP FOR IOS 2.16.14!

Seems that some users have GIPHY, while others have Tenor as GIF search provider.

TABLE:
iPhone 5 has Giphy, on iOS 10.1.1, in Australia.
iPhone 5 has Tenor, on iOS 10.0.1, in India.
iPhone 5C has Tenor, on iOS 10.2, in Italy.
iPhone 5S has Giphy, on iOS 10.1.1, in Spain.
iPhone 5S has Giphy, on iOS 10.1, in India.
iPhone 6 has Tenor, on iOS 10.1, in Croatia.
iPhone 6S has Tenor, on iOS 10.2 beta 1, in Switzerland.
iPhone 6S has Tenor, on iOS 10.1, in Lebanon.
iPhone 6S has Giphy, on iOS 10.1.1, in India.
iPhone 6S Plus has Tenor, on iOS 10.1.1, in Italy.
iPhone 7 Plus has Tenor, on 10.1.1, in Italy.
iPhone 7 Plus has Giphy, on iOS 10.2 Public Beta 1, in Switzerland.
iPhone 7 Plus has Giphy, on iOS 10.2 Public Beta 1, in Germany.
iPhone 7 Plus has Tenor, on iOS 10.2 Public beta 1, in Netherlands.

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If you are in 🇦🇺, 🇮🇳, 🇭🇷, 🇱🇧, 🇮🇹 or in 🇨🇭, you will have a GIF search provider enabled very soon.
Roll-out for 🇪🇸 users seems very slow.
I have reports of users that haven't a GIF search provider enabled in 🇲🇽, so if you should wait more.
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If you have GIPHY or TENOR enabled and you would like to help me and other users, please send me a DM on Twitter, so I will add your information in this table to understand how WhatsApp chooses the GIF search provider.
Check often this table to read updates.

WhatsApp beta for Android 2.16.335 (web): video calls are disabled by default again.

WhatsApp beta for Android 2.16.336: customized privacy options for the WhatsApp Status feature.

WhatsApp beta for Android 2.16.336: new tab for publishing status updates.

WhatsApp beta for Android 2.16.336: this is a test of the new Status tab.

WhatsApp beta for Android 2.16.336: this is a test of the new Status feature. This screen is very similar to Instagram.

WhatsApp beta for Android 2.16.336: you can see the status info, to read who saw your status, that can be also a photo.

NEWS:
WhatsApp is really creating a new service, that will be very similar to Instagram Stories, Messenger Day and Snapchat!

WhatsApp Status = Instagram Stories = Messenger Day = Facebook Snacks (LEAKED BY @iOSAppChanges) = Snapchat.

WhatsApp beta for Android 2.16.336: it's possible to forward an image in WhatsApp Status.