The beta versions of watchOS 10.5 did not introduce any new features. This suggests that Apple is prioritizing the improvement of the system's stability and performance. Such an update is crucial to ensure the devices operate smoothly and any new features added in previous versions work efficiently.

Like watchOS 10.4, this update didn't bring any significant updates, However, watchOS 10.2 brought increased Siri integration and user interface improvements. It enabled Siri to access health data, which allows users to query various health statistics using voice commands.

How to update to watchOS 10.5

1. Ensure the Apple Watch is charged to at least 50% and connected to Wi-Fi
2. On your Apple Watch, open the Settings app
3. Tap General
4. Tap Software Update
5. Tap Install if a software update is available
6. Follow the on-screen instructions

How to update to watchOS 10.5 via iPhone

1. Ensure your watch is charged to 50% and connected to Wi-Fi
2. On your iPhone, open the Apple Watch app
3. Tap General
4. Tap Software Update
5. Download the update if it is available
6. Follow the on-screen instructions

Source: Appleinsider