# API Difference 6.0.0-preview3 vs 6.0.0-preview4

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

* [System](6.0-preview4_System.md)
* [System.IO](6.0-preview4_System.IO.md)
* [System.Linq](6.0-preview4_System.Linq.md)
* [System.Net.Http.Json](6.0-preview4_System.Net.Http.Json.md)
* [System.Net.Quic](6.0-preview4_System.Net.Quic.md)
* [System.Numerics](6.0-preview4_System.Numerics.md)
* [System.Reflection.Metadata](6.0-preview4_System.Reflection.Metadata.md)
* [System.Runtime.CompilerServices](6.0-preview4_System.Runtime.CompilerServices.md)
* [System.Runtime.ExceptionServices](6.0-preview4_System.Runtime.ExceptionServices.md)
* [System.Text](6.0-preview4_System.Text.md)
* [System.Text.Json](6.0-preview4_System.Text.Json.md)
* [System.Text.Json.Node](6.0-preview4_System.Text.Json.Node.md)
* [System.Text.Json.Serialization](6.0-preview4_System.Text.Json.Serialization.md)
* [System.Text.Json.Serialization.Metadata](6.0-preview4_System.Text.Json.Serialization.Metadata.md)
* [System.Threading](6.0-preview4_System.Threading.md)
* [System.Threading.Channels](6.0-preview4_System.Threading.Channels.md)

