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Changes reported in operations but only securityScheme changed

Status: Open.

#893 In OpenAPITools/openapi-diff;

· smjonas opened on Feb 25, 2026

ClassCastException when comparing schema changed from allOf to direct array type

Status: Open.

Bug

#887 In OpenAPITools/openapi-diff;

· omarsy opened on Feb 16, 2026

·  

2.2.0

[Bug] Backward compatibility check fails on reordered discriminator mappings

Breaking/Non-Breaking classificationIssues related to Breaking/Non-Breaking changes classificationIssues related to Breaking/Non-Breaking changes classification

Status: Open.

#886 In OpenAPITools/openapi-diff;

· OllieKosh opened on Jan 30, 2026

Feature Request: generate Overlay for the given 2 OpenAPI files

Status: Open.

Feature

#883 In OpenAPITools/openapi-diff;

· pavelkornev opened on Jan 20, 2026

Renderers should display example changes, not just schema changes

Render capabilitiesIssue related to output renderingIssue related to output rendering

Status: Open.

#872 In OpenAPITools/openapi-diff;

· DrSatyr opened on Nov 28, 2025

Operations are detected as changed when comparing for open api version 3.0.1 and 3.1.0

OpenAP 3.1.0 SupportIssues related to OpenAPI 3.1.0 supportIssues related to OpenAPI 3.1.0 support

Status: Open.

Bug

#858 In OpenAPITools/openapi-diff;

· hsav opened on Nov 7, 2025

Operation description change is detected as a change but it is not rendered by HtmlRender

Render capabilitiesIssue related to output renderingIssue related to output rendering

Status: Open.

Bug

#857 In OpenAPITools/openapi-diff;

· hsav opened on Nov 7, 2025

TeamCity renderer

Render capabilitiesIssue related to output renderingIssue related to output rendering

Status: Open.

Feature

#849 In OpenAPITools/openapi-diff;

· Vampire opened on Oct 14, 2025

ExtensionDiff in renderers (just tried console and html)

enhancement

Render capabilitiesIssue related to output renderingIssue related to output rendering

Status: Open.

#839 In OpenAPITools/openapi-diff;

· Vampire opened on Sep 25, 2025

Mark down changelog generation - enum rename interpreted as added

Status: Open.

Bug

#828 In OpenAPITools/openapi-diff;

· dawidwozny opened on Sep 11, 2025

·  

2.2.0

IllegalArgumentException: "Invalid ref..." when uses an external link like "../demo#/components"

Status: Open.

#810 In OpenAPITools/openapi-diff;

· lovesickness-pika opened on Aug 11, 2025

Bug: erroneous detection of changes with mediaTypes, failure to generate html/markdown reports

Status: Open.

Bug

#805 In OpenAPITools/openapi-diff;

· abeathamebi opened on Aug 7, 2025

·  

2.2.0