---
title: "Pebble SDK 3.8-beta12 - Changelog"
canonical_url: https://developer.repebble.com/sdk/changelogs/3.8-beta12/
last_updated: 2025-02-25
sdk_version: 4.33.1
---
# Pebble SDK 3.8-beta12 - Changelog

Source: https://developer.repebble.com/sdk/changelogs/3.8-beta12/

_Release Date: December 14 2015_

This is a pre-release version of the Pebble SDK. Only changes since beta10 are included.

### Changes to Firmware

- [`graphics_fill_radial`](https://developer.repebble.com/docs/c/Graphics/Drawing_Primitives.md#graphics_fill_radial "graphics\_fill\_radial") will now produce dithered 50% gray on Aplite where appropriate.
- Fixed an issue causing reduced stack availability after using dictation.
- Slightly reduced stack usage in general.
- Added support for 3.8 to 2.9 downgrades (but no data is retained when doing this).
- Restored the missing "Call back" button to iOS missed call pins.
- Improved stability.

### Changes to SDK

- Fixed an issue causing SDK 3.8 apps to install on firmware 3.6 and 3.7, but then potentially crash at runtime. They now display a compatibility error when launched.