Beyond the headline features, Apple's iOS 27.3 developer beta carries two meaningful upgrades for daily use: a new workout planner and a smarter Siri.

Apple Fitness+ gains Gym Strength, a custom fitness option aimed squarely at gym-goers rather than the service's traditional at-home audience. The feature generates a four-week plan tailored to a user's goals, experience level, and schedule — workouts designed to be taken to a local fitness center rather than followed on a screen at home. It's a clear expansion of Fitness+ beyond guided video sessions and into structured training territory.

Meanwhile, Siri AI is getting more capable in and across apps. In iOS 27.3, Siri can complete tasks spanning Calendar, Files, Finder, and Journal, among other apps — the kind of cross-app agency Apple has been promising for its assistant. Both features are available to developers as of Monday's beta seed, with a public release to follow the standard beta cycle.