No specific info about version 2.3. Please visit the main page of Speech to Text on Mac Informer.
Narrator is a simple text-to-speech application for Mac.
GhostReader Plus provides the ultimate text to speech authoring solution.
Text Reader is an app that can turn text to speech.
Help Me Write was developed for the visually impaired.
Speak text with customizable voices using Apple's Text-To-Speech.