# API Difference standalone-preview3 vs standalone-preview4.

API listing follows standard diff formatting. Lines preceded by a '+' are
additions and a '-' indicates removal.

* [System.Data](3.0-preview4_System.Data.md)
* [System.Drawing](3.0-preview4_System.Drawing.md)
* [System.IO.Packaging](3.0-preview4_System.IO.Packaging.md)
* [System.IO.Pipelines](3.0-preview4_System.IO.Pipelines.md)
* [System.Runtime.CompilerServices](3.0-preview4_System.Runtime.CompilerServices.md)
* [System.Runtime.Intrinsics.Arm.Arm64](3.0-preview4_System.Runtime.Intrinsics.Arm.Arm64.md)
* [System.Threading.Channels](3.0-preview4_System.Threading.Channels.md)

