API Changes and Compatibility Breaks

The purpose of this section is to highlight all the API changes and compatibility breaks (binary & source) in Symbian^3. It provides all the required information for Symbian application developers and eases their migration process from S60 5th Edition to Symbian^3.

In Symbian^3, all the deprecated APIs from the earlier releases are removed. In addition, a few more APIs are deprecated and the behavior for a few others has changed based on issues found in earlier Symbian platform releases. To avoid functionality duplication, support for a few APIs has been removed.

• Deprecated APIs
  All the deprecated APIs in Symbian^3 are listed with the alternatives provided. These deprecated APIs will be removed from the future Symbian platform release, so it is recommended to avoid using these APIs.
• Removed APIs
  All the APIs removed from Symbian^3 are listed with changes required for the existing applications to work on Symbian^3.
• Compatibility Breaks
  All binary and source compatibility breaks in Symbian^3 SDK are listed with supporting information on handling these breaks.