One of the last announcements from the I/O 2023 keynote is Wear OS 4, as well as more first-party apps with Gmail and Google Calendar
Google Unveils Wear OS 4, Featuring Gmail and Calendar Apps
Samsung Galaxy Watch 4/5 June 2023 Wear OS update coming with new Keep and Spotify Tiles, Google Wallet transit cards
Google Brings Useful Feature Additions to the WearOS - Gizmochina
Wear OS 4 is rolling out now for the original Pixel Watch
Google Pixel Watch 2 review: Google brains with Fitbit brawn - TheStreet
Google announces Wear OS 4, Gmail and Calendar for watches
Google Calendar Is Available For Wear OS-Watches
Google Wear OS 4 update: Compatible watches, new features and how to update - Wareable
Google Announces Pixel Watch 2 With A New Design, Upgraded Health Sensors, New W5 Chip, And More For $349
Google Pixel Watch 2 review: On the right track
Google announces Wear OS 4, Gmail and Calendar for watches, more : r/WearOS