* Fix for push (fingers crossed).
* Create three new kinds of polls.
* See who voted for what in polls with visible votes.
* Vote for several options in polls that allow multiple answers.
* Try to guess the correct answer in quiz-style polls.
* Use bots like @QuizBot to create quizzes with multiple questions.
* See exact progress counters for files as they upload or download.
* Change the appearance of message bubbles.
