# API Difference 7.0-preview3 vs 7.0-preview4

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

* [System](7.0-preview4_System.md)
* [System.ComponentModel.DataAnnotations](7.0-preview4_System.ComponentModel.DataAnnotations.md)
* [System.Diagnostics](7.0-preview4_System.Diagnostics.md)
* [System.Diagnostics.CodeAnalysis](7.0-preview4_System.Diagnostics.CodeAnalysis.md)
* [System.Formats.Tar](7.0-preview4_System.Formats.Tar.md)
* [System.IO](7.0-preview4_System.IO.md)
* [System.IO.Pipes](7.0-preview4_System.IO.Pipes.md)
* [System.Net.NetworkInformation](7.0-preview4_System.Net.NetworkInformation.md)
* [System.Net.Sockets](7.0-preview4_System.Net.Sockets.md)
* [System.Numerics](7.0-preview4_System.Numerics.md)
* [System.Runtime.CompilerServices](7.0-preview4_System.Runtime.CompilerServices.md)
* [System.Runtime.InteropServices](7.0-preview4_System.Runtime.InteropServices.md)
* [System.Text.Json](7.0-preview4_System.Text.Json.md)
* [System.Text.Json.Serialization](7.0-preview4_System.Text.Json.Serialization.md)
* [System.Text.RegularExpressions](7.0-preview4_System.Text.RegularExpressions.md)
* [System.Threading.Tasks](7.0-preview4_System.Threading.Tasks.md)
* [System.Timers](7.0-preview4_System.Timers.md)

