https://core.telegram.org/bots/api-changelog#april-24-2020
- Supported explanations for Quizzes 2.0. Add explanations by specifying the parameters explanation and explanation_parse_mode in the method sendPoll.
- Added the fields explanation and explanation_entities to the Poll object.
- Supported timed polls that automatically close at a certain date and time. Set up by specifying the parameter open_period or close_date in the method sendPoll.
- Added the fields open_period and close_date to the Poll object.
- Supported the new darts animation for the dice mini-game. Choose between the default dice animation and darts animation by specifying the parameter emoji in the method sendDice.
- Added the field emoji to the Dice object.