In the latest “APK Insight” report by 9to5Google, the latest update to the Google Messages app has made the app do a couple of new messaging features for existing features ready. These unfinished features
You can send and receive voice messages whether you are sending standard SMS/MMS or RCS messages. In a future update, you’ll be able to view transcriptions of voice messages to help you communicate more easily, perhaps if you can’t listen to messages aloud. The feature was manually enabled and then tested in the report.
Source: 9to5Google
Screenshot showing the transcription of the voice memo taking place on the device. In testing, there was a noticeable delay when transcribing a voice memo for more than 22 seconds.
Transcripts can help when voice message audio is unclear or inaudible. Voice messages are only transcribed on your device, the transcriptions are not sent to Google. Manage anytime in settings. 
Google Message Response allows you to respond to any message received through RCS. The new update lets you react to messages with any emoji, not just one of the seven currently available.
Source: 9to5Google
In this updated feature, the thumbs down emoji is replaced by one that shows all other emojis replaced by the symbol icon. The feature is manually enabled and tested, and users can receive new emoji as a reaction with or without the feature.
Finally, there is a new gallery view when choosing what to send to Friends via Messages. Instead of scrolling horizontally when you select a photo, the gallery’s accessories menu pops up and lets you scroll vertically.
Source: 9to5Google
These functions may appear in the in a future version, but not yet confirmed, so they may or may not appear in the new version.
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