Along with bug fix release, Apple publishes new round of beta versions.
New beta fixes wording for iCloud Private Relay issues. No other notable changes are reported for this beta. Also, no new Xcode betas are released.
Beta download: Beta Software Downloads
Release notes (currently, no updates are reported in those):
- iOS & iPadOS 15.3 Beta 2 Release Notes
- watchOS 8.4 Beta 2 Release Notes
- tvOS 15.3 Beta 2 Release Notes