MacRumors published a story that Apple has released the fifth beta of watchOS 9.6 to registered developers.
Apple Seeds Fifth Beta of watchOS 9.6 to Developers
Apple today seeded the fifth beta of an upcoming watchOS 9.6 update to developers for testing purposes, with the software update coming two weeks after the release of the fourth beta.
To install the watchOS 9.6 update, developers will need to download the configuration profile from the Apple Developer Center.