# API Difference netcoreapp2.2 vs netcoreapp3.0 API listing follows standard diff formatting. Lines preceded by a '+' are additions and a '-' indicates removal. * [Microsoft.VisualBasic](3.0.0_Microsoft.VisualBasic.md) * [Microsoft.VisualBasic.CompilerServices](3.0.0_Microsoft.VisualBasic.CompilerServices.md) * [Microsoft.VisualBasic.FileIO](3.0.0_Microsoft.VisualBasic.FileIO.md) * [System](3.0.0_System.md) * [System.Buffers](3.0.0_System.Buffers.md) * [System.Collections.Generic](3.0.0_System.Collections.Generic.md) * [System.Collections.Immutable](3.0.0_System.Collections.Immutable.md) * [System.ComponentModel](3.0.0_System.ComponentModel.md) * [System.ComponentModel.DataAnnotations](3.0.0_System.ComponentModel.DataAnnotations.md) * [System.Data](3.0.0_System.Data.md) * [System.Data.Common](3.0.0_System.Data.Common.md) * [System.Diagnostics](3.0.0_System.Diagnostics.md) * [System.Diagnostics.CodeAnalysis](3.0.0_System.Diagnostics.CodeAnalysis.md) * [System.Diagnostics.Tracing](3.0.0_System.Diagnostics.Tracing.md) * [System.Drawing](3.0.0_System.Drawing.md) * [System.Globalization](3.0.0_System.Globalization.md) * [System.IO](3.0.0_System.IO.md) * [System.IO.Compression](3.0.0_System.IO.Compression.md) * [System.IO.IsolatedStorage](3.0.0_System.IO.IsolatedStorage.md) * [System.IO.Pipes](3.0.0_System.IO.Pipes.md) * [System.Linq](3.0.0_System.Linq.md) * [System.Net](3.0.0_System.Net.md) * [System.Net.Http](3.0.0_System.Net.Http.md) * [System.Net.Security](3.0.0_System.Net.Security.md) * [System.Net.Sockets](3.0.0_System.Net.Sockets.md) * [System.Net.WebSockets](3.0.0_System.Net.WebSockets.md) * [System.Numerics](3.0.0_System.Numerics.md) * [System.Reflection](3.0.0_System.Reflection.md) * [System.Reflection.Emit](3.0.0_System.Reflection.Emit.md) * [System.Reflection.Metadata](3.0.0_System.Reflection.Metadata.md) * [System.Runtime](3.0.0_System.Runtime.md) * [System.Runtime.CompilerServices](3.0.0_System.Runtime.CompilerServices.md) * [System.Runtime.InteropServices](3.0.0_System.Runtime.InteropServices.md) * [System.Runtime.Intrinsics](3.0.0_System.Runtime.Intrinsics.md) * [System.Runtime.Intrinsics.X86](3.0.0_System.Runtime.Intrinsics.X86.md) * [System.Runtime.Loader](3.0.0_System.Runtime.Loader.md) * [System.Runtime.Remoting](3.0.0_System.Runtime.Remoting.md) * [System.Runtime.Serialization](3.0.0_System.Runtime.Serialization.md) * [System.Security](3.0.0_System.Security.md) * [System.Security.Authentication](3.0.0_System.Security.Authentication.md) * [System.Security.Cryptography](3.0.0_System.Security.Cryptography.md) * [System.Security.Permissions](3.0.0_System.Security.Permissions.md) * [System.Text](3.0.0_System.Text.md) * [System.Text.Encodings.Web](3.0.0_System.Text.Encodings.Web.md) * [System.Text.Json](3.0.0_System.Text.Json.md) * [System.Text.Json.Serialization](3.0.0_System.Text.Json.Serialization.md) * [System.Text.RegularExpressions](3.0.0_System.Text.RegularExpressions.md) * [System.Text.Unicode](3.0.0_System.Text.Unicode.md) * [System.Threading](3.0.0_System.Threading.md) * [System.Threading.Channels](3.0.0_System.Threading.Channels.md) * [System.Threading.Tasks](3.0.0_System.Threading.Tasks.md) * [System.Threading.Tasks.Sources](3.0.0_System.Threading.Tasks.Sources.md) * [System.Windows.Markup](3.0.0_System.Windows.Markup.md) * [System.Xml](3.0.0_System.Xml.md) * [System.Xml.Schema](3.0.0_System.Xml.Schema.md)