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title: Pebble SDK 4.0.1 - Changelog
date: 2016-09-06
---

This is a hotfix for [SDK 4.0](/sdk/changelogs/4.0/).  
The #pebblepast will be televized.

### Changes to Firmware

* Timeline Past can now be assigned to a Quick Launch button.
* Fixed an issue causing the Tylt Vü to not function.
* Fixed a number of issues with AppGlance icons.

### Changes to SDK

* Restored the functionality of `pebble gdb` (requires pebble tool 4.4.1)

### Known issues

* Timeline Past is still not available in the emulator; it will be restored in
  a later update.