Subtitles start appearing sooner
While you are still speaking, Unitra puts a first draft of the line on screen and keeps refining it as the sentence grows. That first draft is now handled by a faster translation engine, so it appears earlier, and the more careful translation takes over from there.
What you are left with at the end of a sentence is unchanged. Only the first glimpse of it arrives sooner.
If something does not work as expected after updating, let us know in Discord.