--- # Copyright 2025 Google LLC # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. title: Pebble SDK 4.0-beta17 - Changelog date: 2016-08-16 --- This is a developer preview release of SDK 4.0. No firmware is provided. ### Changes to Firmware * Added support for [running developer apps written in JavaScript](/blog/2016/08/15/introducing-rockyjs-watchfaces/) ### Changes to SDK * AppGlance icons must now be provided as references to `publishedMedia` in package.json. Providing plain resource IDs will not work. * Custom timeline icons can now be created via `publishedMedia`. * Added support initial for building JavaScript apps. These apps won't support aplite. ### Known Issues * `publishedMedia` is completely undocumented. Updated documentation will be available soon. In the interim, continue using 4.0-dp3 to develop appglances.