webOS OSE 1.0.0 Release Notes

Release date: March 18, 2018

This is the initial release of webOS Open Source Edition (OSE).

New Features


  • System UI (Home Launcher, Notification)
  • Settings
  • Bare App
  • YouTube

Application Framework

  • Enact
  • Internationalization and Localization
  • Software Development Kit (SDK)

Managers & Services

  • System and Application Manager (SAM)
  • Web Application Manager (WAM)
  • Activity Manager
  • Luna Surface Manager (LSM)
  • uMediaServer (webOS media framework)
  • DB8 (embedded JSON database)

Base Components

  • LS2 (Luna Bus)
  • Web Engine (Chromium)
  • Node.js


  • BSP/Kernel layer to support Raspberry Pi 3
  • Wi-Fi and wired LAN

Build System

  • webOS build system based on Yocto 2.2

Known Issues

  • The memory manager is not implemented in the initial version. It will be added to the next version.
  • While processing multimedia content, errors may occur. Debugging is in progress.
  • The initial version has been tested in English only and it does not support virtual keyboard (VKB).