# API Difference 9.0-preview7 vs 9.0-rc1

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

* [System](9.0-rc1_System.md)
* [System.Collections.Generic](9.0-rc1_System.Collections.Generic.md)
* [System.Drawing](9.0-rc1_System.Drawing.md)
* [System.IO.Compression](9.0-rc1_System.IO.Compression.md)
* [System.Net.WebSockets](9.0-rc1_System.Net.WebSockets.md)
* [System.Reflection.Emit](9.0-rc1_System.Reflection.Emit.md)
* [System.Reflection.Metadata](9.0-rc1_System.Reflection.Metadata.md)
* [System.Runtime.Intrinsics.Arm](9.0-rc1_System.Runtime.Intrinsics.Arm.md)
* [System.Runtime.Intrinsics.X86](9.0-rc1_System.Runtime.Intrinsics.X86.md)
* [System.Security.Cryptography](9.0-rc1_System.Security.Cryptography.md)

