Apple released WatchOS 9.4 on Monday, bringing cycle tracking and atrial fibrillation features to more users, and fixed a minor alarm bug.
The update is coming to models Series 4 or later,and , bringing AFib History, which detects atrial fibrillation (irregular heart beats), to more countries, specifically Colombia, Malaysia, Moldova, Thailand and Ukraine. Cycle Tracking, which tracks menstrual cycles, is also being expanded to Moldova and Ukraine.
Wake-up alarms on the Watch can no longer be silenced with the “cover-to-mute” gesture, which Apple says will help avoid accidental alarm cancellations while sleeping.
on Monday, bringing new emoji and better call quality.
Monday’s update is the fourth major one to come to WatchOS 9. Launched in September, it brought visual improvements to better mimic the iPhone experience. It also gave people, brought a and gave .
Apple’s continued development of WatchOS has helped the. Given how intimate the Apple Watch is to users, analysts say it’s the , making it difficult for users to switch to other platforms like or Android’s Wear OS.