https://www.sammyfans.com/2020/11/24/one-ui-3-beta-galaxy-note-10-india/

Just recently we’ve informed that Samsung has all set to start the One UI 3.0 public beta rollout for the Galaxy S10, Note 10, Z Flip, and Z Fold 2 devices. And the company has rolled out One UI 3.0 Beta 2 for the Galaxy Note 10 series smartphones in South Korea. This update fixed all the bugs and issues of the first beta build.

According to the latest information, the Galaxy Note 10 and Note 10+ users have already started receiving the latest One UI 3.0 beta update in India. It comes with the latest November 2020 security patch for better device security. You can also check the full changelog that is attached below.