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DataContractSerializer serializing an IXmlSerializable doesn't support XmlWriter.WriteValue(object)

area-Serialization

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#117842 In dotnet/runtime;

· mconnew opened on Jul 18, 2025

[API Proposal]: Add Order property to KnownTypeAttribute

api-suggestionEarly API idea and discussion, it is NOT ready for implementationEarly API idea and discussion, it is NOT ready for implementation

area-Serialization

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#116412 In dotnet/runtime;

· weitzhandler opened on Jun 8, 2025

XML serialization of xs:list elements doesn't respect white-space separation

area-Serialization

Status: Open.

#115837 In dotnet/runtime;

· meixger opened on May 21, 2025

· 

10.0.0

Fix ReadContentAsDateTime method to keep DateTimeKind

area-Serialization

community-contributionIndicates that the PR has been added by a community memberIndicates that the PR has been added by a community member

Status: Open (in progress).

dotnet/runtimenumber 114969

#114969 In dotnet/runtime;

· BradBarnich opened on Apr 23, 2025

incorrect DateTimeOffset with DataContractSerializer and IXmlSerializable

area-Serialization

Status: Open.

#114813 In dotnet/runtime;

· BradBarnich opened on Apr 18, 2025

· 

10.0.0

Test failure: JIT/Performance/CodeQuality/Serialization/Deserialize/Deserialize.dll

arch-x64

area-Serialization

blocking-clean-ci-optionalBlocking optional rolling runsBlocking optional rolling runs

JitStressCLR JIT issues involving JIT internal stress modesCLR JIT issues involving JIT internal stress modes

os-mac-os-xmacOS aka OSXmacOS aka OSX

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#113510 In dotnet/runtime;

· v-wenyuxu opened on Mar 14, 2025

Error: System.ArgumentException: Identifier is not CLS-compliant. (Parameter 'ident')

area-Serialization

Status: Open.

#110435 In dotnet/runtime;

· theolivenbaum opened on Dec 5, 2024

· 

Future

Support parameter-less event methods in <code>DataContractSerializer</code> (without a <code>StreamingContext</code> parameter)

area-Serialization

binaryformatter-migrationIssues related to the removal of BinaryFormatter and migrations away from itIssues related to the removal of BinaryFormatter and migrations away from it

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#109264 In dotnet/runtime;

· Takym opened on Oct 27, 2024

Microsoft.XmlSerializer.Generator added *.XmlSerialization.all to nuget package which causes CS0436

area-Serialization

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#107288 In dotnet/runtime;

· TiltonJH opened on Sep 3, 2024

Test failure: XmlSerializerTests.Xml_DerivedIXmlSerializable

arch-arm32

area-Serialization

blocking-clean-ci-optionalBlocking optional rolling runsBlocking optional rolling runs

os-linuxLinux OS (any supported distro)Linux OS (any supported distro)

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#106940 In dotnet/runtime;

· v-wenyuxu opened on Aug 26, 2024

NativeAOT and XmlSerializer

area-Serialization

Status: Open.

#106580 In dotnet/runtime;

· danielo-unity3d opened on Aug 18, 2024

· 

11.0.0

Build Issue: Duplicate Attributes Causes XML Deserialization Errors

area-Serialization

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#105511 In dotnet/runtime;

· RealDotNetDave opened on Jul 23, 2024