The main update for Wear OS

Google announced a major update to the Wear operating system for portable devices. The update will be released to all compatible devices over the next few months and will be called the system version: H.

Updates have made improvements to battery saving mode, extend battery life even when the battery saver is turned on, and only display when the battery drops below 10%. Also, work efficiency has improved, after 30 minutes of inactivity, your watch goes into deep sleep mode to conserve the battery.
Intelligent app restoration for all apps makes it easy to find out where you left off in all apps on your watch. You can now turn the clock off in two simple steps. To turn off the clock, simply hold down the power button until the shutdown screen appears, then select "power off" or "reset". The availability of the update is determined by smartwatch.

Source link