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.