Forum Nokia has just released a new add-on for the S60 3rd Edition MR SDK. Named Extensions plug-in package for S60 3rd Edition SDK for Symbian OS, for C++, MR, Version 3, this package will add the following APIs (headers, libs and documentation) to your SDK:

New APIs in this v3 release:
  AudioProxyServer API v2.3
  Extended Skins API
  Logs Client API
  Logs Timers API
  Media Player Engine API
  Media Recorder API
  ProfileUID API
  Shared Data API
  SMS Utilities API
  Central Repository Keys To Control Phone Volume

APIs already found in earlier version of the plugin:
  ScShortcuts Engine Wrapper API
  S60RTP_RTCPAPI API
  Profiles Engine Extended API
  Profiles Engine API
  Personalizationand Skins Settings API
  MSCFWrapper API
  Meeting Request API
  Camera Application Engine API
  Data Connection Log Counters API
  BTEngine API
  Adaptive History List API
  KCoreAppUIsNewEmailStatus API
  PS Keys for Call Status & Indicators API
  AudioProxyServer API v2.0
  SyncML API
  WLAN Settings UI API
  AIWServiceHandler API
  AIWGenericParameters API
  AIWCriteria API
  WLANmgmt API
  SW Installer Launcher API
  PS Keys for Wlan API
  OMAProvisioningAdapterAPI API
  New File Service API
  KAlarmClockOne API
  KAccessoryModeChanged API
  Item Finder API
  Extended AIW Criteria API
  Browser Launcher API
  AutoFocus API
  AudioMetaData Reader API