Although the Galaxy Buds Pro are a brand new product, Samsung is already pushing a second update and this one is improving the earphones' ANC performance. Also, it improves upon another cool feature - Voice detect mode. The latter detects when you start to speak and turns off ANC so you can have your conversation without having to take off the buds. The third line in the changelog mentions the Ambient sound feature as well. The Ambient sound feature lets surrounding sounds in at a level of your choice so you can still be aware of your environment. However, Samsung doesn't reveal any...
Source: https://www.gsmarena.com/samsung_galaxy_buds_pro_receive_an_update_improve_anc_performance-news-47528.php