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OData

7 indexed repositories · View on GitHub

WebApi
OData Web API: A server library built upon ODataLib and WebApi

C# · 864 stars
odata.net
ODataLib: Open Data Protocol - .NET Libraries and Frameworks

C# · 732 stars
AspNetCoreOData
ASP.NET Core OData: A server library built upon ODataLib and ASP.NET Core

C# · 505 stars
RESTier
A turn-key library for building RESTful services

C# · 481 stars
ODataConnectedService
A Visual Studio extension for generating client code for OData Services

C# · 84 stars
odataorg.github.io
Staging site and collaboration repository for http://www.odata.org

HTML · 73 stars
ModelBuilder
A project to generate Edm (Entity Data Model) from CLR types

C# · 22 stars

Beginner friendly Everything

Open All

How to query parent with sum children? Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

OData/odata.net#3618 · 2 comments · Opened Sep 16, 2026
Python libraries is out of date Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

OData/odataorg.github.io#415 · Opened Sep 10, 2026
Avoid repeated DerivedTypeConstraint annotation lookups for mutable EDM models Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OData/odata.net#3614 · Opened Sep 2, 2026
SaveChangesAsync still blocks on WASM in 9.0.0 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 72/100

OData/odata.net#3605 · Opened Aug 28, 2026
.NET 10 support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OData/AspNetCoreOData#1610 · 2 comments · 5 reactions · Opened Aug 28, 2026
Remove obsolete formatter-based serialization from OData Client exceptions Open

bug

Difficulty 5/5 Over a week Newbie friendliness 45/100

OData/odata.net#3596 · Opened Aug 24, 2026
$batch sub-request error on a dynamic data model architecture Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

OData/AspNetCoreOData#1609 · 2 comments · Opened Aug 20, 2026
NamingPolicy or custom naming logic Open

enhancement feature

OData/odata.net#3590 · 2 comments · 1 assignee · Opened Aug 18, 2026
C# code generation use types unsupported by OData 9.0 client libraries Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

OData/ODataConnectedService#450 · 1 comment · 3 reactions · Opened Jul 31, 2026
Sum report Value cannot be null Open

bug investgated investigating

OData/odata.net#3580 · 4 comments · 1 assignee · Opened Jul 24, 2026
How to let ODataBatchHttpContextFixerMiddleware Case sensitivity? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OData/RESTier#779 · Opened Jul 17, 2026
IIS automatically decodes URL breaking slashes in keys Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OData/odata.net#3561 · Opened Jun 29, 2026
InvalidCastException when following $skiptoken nextLink on open type ordered by a dynamic enum property Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

OData/AspNetCoreOData#1584 · Opened Jun 25, 2026
Client generator got weird class from DateOnly? Open

9.x bug

OData/odata.net#3553 · 4 comments · 1 assignee · Opened Jun 14, 2026
Cannot upgrade Microsoft.AspNet.WebApi.Core from 5.2.9 to 5.3.0 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OData/WebApi#2897 · Opened Jun 4, 2026
Equality overrides for Filter|SelectAndExpand|Search|other-Clauses Open

enhancement feature

OData/odata.net#3541 · 2 reactions · 2 assignees · Opened May 26, 2026
How to apply JwtBearer authentication Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

OData/RESTier#778 · 4 comments · Opened May 22, 2026
odata client never return when use where on winform or wpf Open

bug

OData/odata.net#3540 · 2 comments · 1 reaction · 2 assignees · Opened May 21, 2026
Can you update document or example? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

OData/RESTier#777 · Opened May 20, 2026
ExecuteAsync on WASM client runs into net_http_synchronous_reads_not_supported exception with .NET10 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OData/odata.net#3537 · 1 comment · Opened May 18, 2026
releasenotes page not found Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

OData/odata.net#3534 · Opened May 13, 2026
Delta<T>.TrySetPropertyValue silently drops changes when a numeric value arrives as a wider type (e.g. Int64 for an Int32 property) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

OData/AspNetCoreOData#1572 · Opened May 12, 2026
Add reference to new OData → MongoDB Java library (Jamolingo) Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

OData/odataorg.github.io#390 · Opened May 9, 2026
Non-sense to create a ConvertNode if literal involved Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OData/odata.net#3513 · Opened Apr 22, 2026
Wrong binding result in ParameterAliasBinder Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

OData/odata.net#3512 · Opened Apr 22, 2026
JsonPropertyNameMapper: Check for JsonIgnoreAttribute ignores the ignore condition Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

OData/AspNetCoreOData#1569 · 2 comments · Opened Apr 22, 2026
PathSegmentHandlers do not handle FilterSegment Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 66/100

OData/AspNetCoreOData#1568 · 1 comment · Opened Apr 16, 2026
Add test coverage for non-SingleValueNode path in FunctionCallBinder.BindSegmentParameters Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

OData/odata.net#3510 · Opened Apr 15, 2026
UriPrimitiveTypeParser.TryUriStringToPrimitive: inner catch blocks swallow exceptions before parsingException is set Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

OData/odata.net#3505 · Opened Apr 10, 2026
EnumHelper: Remove GetCachedValuesAndNames cache as it's unnecessary for small enum types Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 76/100

OData/odata.net#3504 · Opened Apr 9, 2026
Minimal APIs: How to Return Single Entity Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

OData/AspNetCoreOData#1567 · 1 comment · Opened Apr 9, 2026
Enums with custom value converter are converted to ints in $filter clause Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

OData/AspNetCoreOData#1566 · Opened Apr 3, 2026
System.InvalidOperationException: 'The 'Location' header value specified in the response must be an absolute URI.' Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

OData/odata.net#3502 · Opened Mar 23, 2026
NullableAttributeEdmPropertyConvention incorrectly marks Nullable<T> value type properties as non-nullable Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

OData/ModelBuilder#61 · Opened Mar 19, 2026
DefaultODataBatchHandler request body binding failing on .NET 10 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

OData/AspNetCoreOData#1564 · 1 comment · Opened Mar 19, 2026
When using $apply, the response is not coming with expected OData Format Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

OData/odata.net#3501 · Opened Mar 17, 2026
Collection literal is parsed as ConstantNode Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OData/odata.net#3500 · Opened Mar 12, 2026
Timeout obsoletion attribute is obsolete Open

enhancement feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

OData/odata.net#3494 · 2 comments · Opened Mar 2, 2026
Batch OData request tests fail on linux Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

OData/AspNetCoreOData#1561 · 2 comments · Opened Feb 21, 2026
OData.Type Annotation Causes Serialization Failure. Open

bug followup

OData/AspNetCoreOData#1559 · 7 comments · 1 assignee · Opened Feb 13, 2026
Apache Olingo is retired and should not longer marked as featured Java library Open

Difficulty 1/5 Under an hour Newbie friendliness 65/100

OData/odataorg.github.io#389 · 1 reaction · Opened Feb 11, 2026
Minimal Api does not work $search Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OData/AspNetCoreOData#1558 · 2 comments · Opened Feb 9, 2026
Adding OData Connected Service to the project failed: 'Org.OData.Aggregation.V1.Aggregate' is not a valid enum member path. Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

OData/ODataConnectedService#443 · Opened Feb 6, 2026
Returning IActionResult and using an aggregate query produces non-OData JSON Open

bug P2

OData/AspNetCoreOData#1557 · 1 comment · 1 assignee · Opened Jan 20, 2026
OData support in Rust? Open

enhancement feature question

OData/odata.net#3473 · 1 comment · 1 assignee · Opened Jan 12, 2026
OData Question - relating to searching using PII/PHI data Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

OData/AspNetCoreOData#1551 · 3 comments · Opened Dec 31, 2025
OData Question - relating to searching using PII/PHI data Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OData/odataorg.github.io#387 · Opened Dec 31, 2025
Not work filter in Expand, not work Filter by Key Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OData/odata.net#3467 · 3 comments · Opened Dec 30, 2025
not a valid response payload Open

bug follow-up

OData/odata.net#3466 · 3 comments · 1 assignee · Opened Dec 28, 2025
Returning status codes from minimal api endpoints Open

P3

OData/AspNetCoreOData#1550 · 1 comment · 1 assignee · Opened Dec 28, 2025

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