Issues

• Components-key validation can fail LoadAsync under load: 100 ms wall-clock timeout on a linear regex

  microsoft/OpenAPI.NET#3101 · Filter by author Blind-Striker opened on Oct 4, 2026
  1

• multipart/form-data request body with [FromForm] complex type is generated inline instead of referencing the model schema

  microsoft/OpenAPI.NET#3100 · Filter by author gorkaetxebarria opened on Oct 2, 2026

• OpenApiYamlReader.Read inconsistent behavior for errors

  microsoft/OpenAPI.NET#3056 · Filter by author joostverhoog opened on Aug 28, 2026
  1

  

• Update SharpYaml dependency to v3.x

  type:breaking-change
  Task

  microsoft/OpenAPI.NET#3014 · Filter by author denisbredikhin opened on Aug 12, 2026 · Backlog
  2

• Implement equality (IEquatable<T> and override object.Equals/GetHashCode) for object models

  help wanted
  Feature

  microsoft/OpenAPI.NET#2989 · Filter by author Youssef1313 opened on Jul 23, 2026
  3

• Regression: broken nullability after update to v3.9.0

  help wantedtype:feature
  Feature

  microsoft/OpenAPI.NET#2967 · Filter by author bkoelman opened on Jul 18, 2026
  18

• Add support for $schema and jsonSchemaDialect

  help wanted
  Feature

  microsoft/OpenAPI.NET#2963 · Filter by author baywet opened on Jul 16, 2026
  5

• OpenApiVisitorBase PathString is not correct for v2 documents

  help wantedtype:feature
  Feature

  microsoft/OpenAPI.NET#2806 · Filter by author davidrea-MS opened on Apr 1, 2026
  1

  

• Support ability to return compact JSON format when calling SerializeAsJsonAsync

  microsoft/OpenAPI.NET#2798 · Filter by author rmijacques opened on Mar 23, 2026

• Docs to explain why behind breaking changes

  type:documentation
  microsoft/OpenAPI.NET#2426 · Filter by author RachitMalik12 opened on Jul 7, 2025

• Consider returning reference type from AddComponent API

  microsoft/OpenAPI.NET#2162 · Filter by author captainsafia opened on Feb 24, 2025 · v3-postGA
  3

• Circular references in external documents create an infinite recursion

  microsoft/OpenAPI.NET#1985 · Filter by author rfsmart-anelson opened on Dec 12, 2024

• External document dereference to OpenApiFragment using JSON Pointer or $id

  priority:p1status:waiting-for-internal-feedbackV2-Enhancement
  microsoft/OpenAPI.NET#1792 · Filter by author MaggieKimani1 opened on Aug 21, 2024 · v3-postGA
  1

• Support ability to merge objects in OpenAPI.NET. for example merge requests, payloads..

  help wanted
  Feature

  microsoft/OpenAPI.NET#1558 · Filter by author njaci1 opened on Feb 15, 2024
  2

• Consolidate slicing to OpenApi.NET lib

  status:needs-discussion
  microsoft/OpenAPI.NET#1468 · Filter by author peombwa opened on Nov 14, 2023
  

• avoid regressions for linting improvements

  microsoft/OpenAPI.NET#1400 · Filter by author baywet opened on Oct 5, 2023

• Add conceptual docs for OpenAPI

  type:documentationtype:epic
  microsoft/OpenAPI.NET#1297 · Filter by author adhiambovivian opened on Jul 24, 2023

• Create specialized validator to identify if V3 document has features that cannot be represented in V2

  type:enhancement
  microsoft/OpenAPI.NET#808 · Filter by author darrelmiller opened on Mar 29, 2022 · v3-postGA

• Add Builder to simplify openapi document object construction

  help wantedtype:enhancement
  microsoft/OpenAPI.NET#673 · Filter by author jkone27 opened on Dec 23, 2021 · Backlog
  4

• OpenApiStreamReader.ReadAsync() throws an InvalidOperation exception when using ResolveAllReferences

  status:waiting-for-internal-feedback
  microsoft/OpenAPI.NET#609 · Filter by author NishantaA opened on Jun 21, 2021
  4

  

• OpenApiComparer is not implemented

  priority:p2type:enhancement
  Feature

  microsoft/OpenAPI.NET#414 · Filter by author adrientoub opened on Jul 26, 2019 · v3-postGA
  9

• When reporting structural errors in the document we should reference appropriate place in the spec

  priority:p2type:enhancement
  Feature

  microsoft/OpenAPI.NET#229 · Filter by author darrelmiller opened on Mar 18, 2018