MacRumors published a story that Apple has released the sixth beta of watchOS 7.4 to registered developers.
Apple Seeds Sixth Beta of watchOS 7.4 to Developers
Apple today seeded the sixth beta of an upcoming watchOS 7.4 update to developers for testing purposes, with the new beta coming one week release of the fifth beta and over two months after the launch of watchOS 7.3 with "Time to Walk" functionality, expanded ECG availability, and a new Unity watch face. To install the watchOS 7.4 beta, developers need to download the proper configuration profile from the Apple Developer Center.
