Apple has released a new round of developer betas for iOS, watchOS, and tvOS. The release notes for the new versions are relatively sparse, and the very minor version numbers — 9.3.2, 2.2.1, and 9.2.1, respectively — would suggest that these are primarily maintenance releases and do not likely include any new features worth noting. The new betas are available to registered developers from Apple’s Developer Site; those developers who installed…