Issues

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

  microsoft/OpenAPI.NET#3101 · opened on Oct 4, 2026
  2

• OpenApiYamlReader.Read inconsistent behavior for errors

  microsoft/OpenAPI.NET#3056 · opened on Aug 28, 2026
  1

• Update SharpYaml dependency to v3.x

  Task

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

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

  Feature

  microsoft/OpenAPI.NET#2989 · opened on Jul 23, 2026
  3

• Regression: broken nullability after update to v3.9.0

  Feature

  microsoft/OpenAPI.NET#2967 · opened on Jul 18, 2026
  18

• Add support for $schema and jsonSchemaDialect

  Feature

  microsoft/OpenAPI.NET#2963 · opened on Jul 16, 2026
  5

• OpenApiVisitorBase PathString is not correct for v2 documents

  Feature

  microsoft/OpenAPI.NET#2806 · opened on Apr 1, 2026
  1

• Support ability to return compact JSON format when calling SerializeAsJsonAsync

  microsoft/OpenAPI.NET#2798 · opened on Mar 23, 2026

• Docs to explain why behind breaking changes

  microsoft/OpenAPI.NET#2426 · opened on Jul 7, 2025

• Consider returning reference type from AddComponent API

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

• Circular references in external documents create an infinite recursion

  microsoft/OpenAPI.NET#1985 · opened on Dec 12, 2024

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

  microsoft/OpenAPI.NET#1792 · opened on Aug 21, 2024 · v3-postGA
  1

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

  Feature

  microsoft/OpenAPI.NET#1558 · opened on Feb 15, 2024
  2

• Consolidate slicing to OpenApi.NET lib

  microsoft/OpenAPI.NET#1468 · opened on Nov 14, 2023

• avoid regressions for linting improvements

  microsoft/OpenAPI.NET#1400 · opened on Oct 5, 2023

• Add conceptual docs for OpenAPI

  microsoft/OpenAPI.NET#1297 · opened on Jul 24, 2023

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

  microsoft/OpenAPI.NET#808 · opened on Mar 29, 2022 · v3-postGA

• Add Builder to simplify openapi document object construction

  microsoft/OpenAPI.NET#673 · opened on Dec 23, 2021 · Backlog
  4

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

  microsoft/OpenAPI.NET#609 · opened on Jun 21, 2021
  4

• OpenApiComparer is not implemented

  Feature

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

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

  Feature

  microsoft/OpenAPI.NET#229 · opened on Mar 18, 2018