The latest Google Messages beta includes some evidence, which reveals that when sending media, the app will ask you if you want to send a photo at original quality or optimized for chat.
Rcs messaging RSS
Google messages app may soon allow users to edit the sent text messages as the latest beta build of the app added new lines of code referencing a new edit message feature as well as a edit history.
Apple announced plans to include RCS in a future iOS update, allowing iPhone users to exchange messages with Android users with advanced features such as read receipts and higher quality media.
Following Google's ad, Samsung has released a new ad urging Apple to support RCS messaging between iOS and Android. It shows a "Romeo-Juliet" relationship with separate green and blue bubbles.
Google released a new video as part of its "Get the Message" campaign pushing Apple to adopt RCS standards for messaging between iOS and Android. The animated video mocks Apple's SMS/MMS protocol.
Google has created a dedicated website to highlight the fact that Apple still does not support the RCS messaging standard on iOS. Messages sent between the two platforms fall back to SMS.
Google has shared some updates on its progress with implementing RCS messaging on Android, saying that it's now available around the world and end-to-end encryption is being added soon.