| ⇢ | A | QuickReply added | |
| ⇢ | A | GreetingText added | |
| ⇢ | A | MenuItem added | |
| ⇢ | A | Postback added | |
| ⇢ | A | StartedButton added | |
| ⇢ | A | WebUrl added | |
| ⇢ | A | File added | |
| ⇢ | A | ResponseHandler added | |
| ⇢ | A | Image added | |
| ⇢ | A | Client added | |
| ⋮ | view more | ||
| A | ↛ | Button removed | |
| A | ↛ | Generic removed | |
| A | ↛ | Receipt removed | |
| ⇢ | B | RequestOptionsFactory::createForMessage() added | |
| ⇢ | B | File::open() added | |
| ⇢ | B | Messenger::createMessage() added | |
| ⇢ | B | QuickReply::__construct() added | |
| ⇢ | A | Client::validateResponse() added | |
| ⇢ | A | Message::setMetadata() added | |
| ⇢ | A | Attachment::jsonSerialize() added | |
| ⇢ | A | Button::__construct() added | |
| ⇢ | A | StartedButton::jsonSerialize() added | |
| ⇢ | A | Client::defaultHttpClient() added | |
| ⋮ | view more | ||
| B | ↛ | Element::validateElement() removed | |
| A | ↛ | Image::validateFile() removed | |
| A | ↛ | Image::isRemoteFile() removed | |
| A | ↛ | Button::__construct() removed | |
| A | ↛ | Generic::__construct() removed | |
| A | ↛ | Messenger::getResponseData() removed | |
| A | ↛ | Receipt::__construct() removed | |
| A | ↛ | Messenger::buildOptions() removed | |
| A | ↛ | Messenger::buildWelcomeData() removed | |
| A | ↛ | Receipt::getElements() removed | |
| ⋮ | view more | ||