Bot API 4.6 is here to support Polls 2.0.

• Create bots like our demo @QuizBot.
• Send new types of polls: non-anonymous, with multiple answers, and quiz-style.
• Send polls to private chats with users.
• Get updates about changes of user answers in non-anonymous polls that were sent by your bot.
• And more.

Full change log:
https://core.telegram.org/bots/api-changelog#January-23-2020