[6] The original code for Android SMS messaging was released in 2009 integrated into the Operating System.

[10] In December 2019, Google began to introduce support for Rich Communication Services (RCS) messaging via an RCS service hosted by Google, referred to in the user interface as "chat features".

[24] In April 2021, the app began to receive UI modifications on Samsung devices to follow aspects of One UI, including pushing the top of the message list towards the middle of the screen to improve ergonomics.

[25][26] In February 2023, Google began to replace references to "chat features" in the Messages user interface with "RCS".

[22] In December 2023, with the arrival of a slew of new features, the app was renamed "Google Messages".