| Wear OS version | System versions | Release date | New features | Notes |
|---|
| 1.0[51] | 7.1.1, 8.0.0 | Mar 2018 | - Rebranding to Wear OS[52]
| Version number reset to “1.0”. Wear OS App version: 2.10[53] |
| 1.1 | 7.1.1, 8.0.0 | April 2018 | | Wear OS App version: 2.11[54] |
| 1.2 | 7.1.1, 8.0.0 | May 2018 | | Wear OS App version: 2.12[55] |
| 1.3 | 7.1.1, 8.0.0 | June 2018 | | Wear OS App version: 2.13[56] |
| 1.4 | 7.1.1, 8.0.0 | July 2018 | - Faster Google Pay startup
- More glanceable design for events and appointments
- Time zone sync bug fix[57]
| Wear OS App version: 2.14[58] |
| 1.5 | 7.1.1, 8.0.0 | August 2018 | | Wear OS App version: 2.15[59] |
| 1.6 | 7.1.1, 8.0.0 | September 2018 | | Wear OS App version: 2.16[60] |
| 1.7 | 7.1.1, 8.0 | October 2018 | - Bolder font in the app launcher
| Wear OS App version: 2.17[61] |
| 2.0 | 7.1.1, 8.0 | September 2018 | - Swipe actions for faster access to Google Assistant and Google Fit[62]
- Google Assistant feed with proactive personalized information
- New design for quick toggles and notifications stream
- New music controls with physical button support
| Wear OS App version: 2.18 |
| 2.1 | 7.1.1, 8.0 | September 2018 | | Wear OS App version: 2.19 |
| 2.2 | 7.1.1, 8.0, H | November 2018 | New features for System version H:- Brings Android 9.0 Pie to smartwatches
- Enables Battery Saver mode to only display the time once the battery falls below 10%
- Improves restoring the state of previously used apps
- Watches now enter a deep sleep mode after 30 minutes of inactivity
- Holding down the power button now provides options for shutting down or restarting the watch
| Wear OS App version: 2.20 |
| 2.3 | 7.1.1, 8.0, H | January 2019 | | Wear OS App version: 2.21 |
| 2.6[note 1] | 7.1.1, 8.0, H | February 2019 | | Wear OS App version: 2.22 |
| April 2019 | | Wear OS App version: 2.23 |
| May 2019 | - Tiles functionality when swiping left, providing access to next calendar events, weather forecast, heart rate, news headlines and timer functionality.[63]
| Wear OS App version: 2.24 |
| 2.7 | 7.1.1, 8.0, H | June 2019 | | Wear OS App version: 2.25 |
| 2.8 | 7.1.1, 8.0, H | July 2019 | | Wear OS App version: 2.26 |
| September 2019 | | Wear OS App version: 2.27 |
| 2.9 | 7.1.1, 8.0, H | September 2019 | | Wear OS App version: 2.28 |
| 2.10 | 7.1.1, 8.0, H | October 2019 | | Wear OS App version: 2.29 |
| 2.11 | 7.1.1, 8.0, H | November 2019 | | Wear OS App Version: 2.30 |
| 2.12 | 7.1.1, 8.0, H | December 2019 | | Wear OS App Version: 2.31 |
| 2.13 | 7.1.1, 8.0, H | January 2020 | | Wear OS App Version: 2.32 |
| 2.14 | 7.1.1, 8.0, H | March 2020 | | Wear OS App Version: 2.33 |
| 2.16 | 7.1.1, 8.0, H | March 2020 | | Wear OS App Version: 2.34 |
| 2.17 | 7.1.1, 8.0, H | April 2020 | New ‘Wash hands’ timer regarding coronavirus. | Wear OS App Version: 2.35 |
| 2.18 | 7.1.1, 8.0, H | May 2020 | | Wear OS App Version: 2.36 |
Ticwatch S2
