3. In `SentCallback`, update parameter types of `onResult` and `onError`. Inside those two method, you don't need to deserialize anything now, it comes already done.
2. In `editMessageTextAsync`, `editMessageCaptionAsync` or `editMessageReplyMarkupAsync` in `AbsSender`, second parameter should become `SentCallback<Serializable>` due to new return type.
### <a id="2.4.4.6"></a>To version 2.4.4.6 ###
1. In `Message` object, field `new_chat_member` was replaced by `new_chat_members` that is now an array of users.