---
title: "Pebble SDK 3.10-beta1 - Changelog"
canonical_url: https://developer.repebble.com/sdk/changelogs/3.10-beta1/
last_updated: 2025-02-25
sdk_version: 4.33.1
---
# Pebble SDK 3.10-beta1 - Changelog

Source: https://developer.repebble.com/sdk/changelogs/3.10-beta1/

_Release Date: February 15 2016_

This is a pre-release SDK, containing a preview of the new Pebble Health API.

### Changes to Firmware

- Added energy (Calorie) usage to the Health app.
- Changed "till" to "'til" in the low battery modals.
- Improved firmware stability.

### Changes to SDK

- Added [`health_service_get_measurement_system_for_display`](https://developer.repebble.com/docs/c/Foundation/Event_Service/HealthService.md#health_service_get_measurement_system_for_display "health\_service\_get\_measurement\_system\_for\_display") to retrieve the user's unit preference.
- Added [`health_service_sum_averaged`](https://developer.repebble.com/docs/c/Foundation/Event_Service/HealthService.md#health_service_sum_averaged "health\_service\_sum\_averaged") and [`health_service_metric_averaged_accessible`](https://developer.repebble.com/docs/c/Foundation/Event_Service/HealthService.md#health_service_metric_averaged_accessible "health\_service\_metric\_averaged\_accessible") to access average health data. These can be used to determine the goal line used by the Pebble Health app.
- Added [`HealthMetricRestingKCalories`](https://developer.repebble.com/docs/c/Foundation/Event_Service/HealthService.md#HealthMetricRestingKCalories "HealthMetricRestingKCalories") and [`HealthMetricActiveKCalories`](https://developer.repebble.com/docs/c/Foundation/Event_Service/HealthService.md#HealthMetricActiveKCalories "HealthMetricActiveKCalories") to retrieve Calorie burn information from Pebble Health.