Apple releases watchOS 6 for Apple Watch in the WWDC 2019 with new Watch Faces like Gradient face, animates with the time, Numerals face, Digital face, California dial, & Solar face that visualizes the sun’s 24-hour path around the dial, new hearing health, enhanced Activity apps.
Along with that Apple announces new Taptic chimes, feeling a silent vibration on your wrist, and an hourly chime if the audio is turned on.
Regarding the Apple Watch apps, Audiobooks and Voice Memos, Menstrual cycle tracking apps, calculator has made support.
