Released 0.15.0 Added `onText` function

Released 0.16.0:

JSON stringify reply_markup if not string

Released 0.17.0

Allow 0ms as polling interval.
Default timeout 10 seconds.

Released 0.17.0

Handle request timeout. 
Catch errors while parsing JSON

Released 0.18.0

sendPhoto, sendAudio, sendDocument, sendSticker and sendVoice can receive a Buffer as parameter.

Thanks to this contribution https://github.com/yagop/node-telegram-bot-api/pull/56

Released 0.19.0

Inline Mode support.
sendVideo can receive a Buffer as parameter.

Info about inline mode: https://telegram.org/blog/inline-bots

By default bots sends GIF as new mpeg4 format. To view new "GIFs" update your client.

Almost forgot. Thanks @crisbal for his Inline Mode contribution!

I ( @Yago_Perez  ) have the Telegram account banned for a week, so if you want to ask me something, send me 10 messages. Then I will be able to answer you. 😝

I wasn't able to get a chosen_inline_result after a user choose an Inline Result on the next getUpdates call

Its implemented?

Hi Yagop, you're correct, it was accidentally documented a little too early.