For specific changes in this version (v34.1.6098), I recommend checking the game's official changelog or patch notes, as they might not be publicly available.
You're looking for features of Bloons TD 6 version 34.1.6098!
Bloons TD 6 is a popular tower defense game developed by Ninja Kiwi. Here are some of the key features:
"Radio Creds" are votes awarded to artists by radio programmers who have downloaded their music and have been impressed with the artist's professionalism and the audience's response to the new music. Creds help artists advance through the AirPlay Direct community.
Only radio accounts may add a Radio Cred. One week after the track has been downloaded the radio account member will receive an email requesting a Cred for each artist they've downloaded. Bloons TD 6 v34.1.6098.rar