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Prepare v7.20.0 release

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22738

#22738 In OpenAPITools/openapi-generator;

· by wing328 was closed on Jan 19, 2026

fix: Fix rust-server model generation following serde_valid upgrade

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22737

#22737 In OpenAPITools/openapi-generator;

· by dsteeley was closed on Jan 20, 2026

[Normalizer] add type information to an error message and fix #22741

Issue: Bug

OpenAPI NormalizerNormalize the spec for easier processingNormalize the spec for easier processing

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22742

#22742 In OpenAPITools/openapi-generator;

· by thatsdone was closed on Jan 20, 2026

Mill plugin

OpenAPI Generator Mill Plugin

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22739

#22739 In OpenAPITools/openapi-generator;

· by lostiniceland was closed on Jan 20, 2026

[cpp-qt] Add global server index setter for all operations

Client: C++

Enhancement: General

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22760

#22760 In OpenAPITools/openapi-generator;

· by MartinDelille was closed on Jan 22, 2026

Add docstring to cpp-qt methods

Client: C++

Enhancement: Feature

Feature: Documentation

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22770

#22770 In OpenAPITools/openapi-generator;

· by wing328 was closed on Jan 22, 2026

C# GenericHost support multiple accept headers and allow access to HttpContentHeaders on response

Client: C-Sharp

Enhancement: General

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22232

#22232 In OpenAPITools/openapi-generator;

· by EraYaN was closed on Jan 22, 2026

Fix output of bin/generate-samples.sh in tmux

Status: Closed (abandoned).

OpenAPITools/openapi-generatornumber 22771

#22771 In OpenAPITools/openapi-generator;

· by wing328 was closed on Jan 22, 2026

C# GenericHost Support multi targetting

Client: C-Sharp

Enhancement: Compatibility

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22234

#22234 In OpenAPITools/openapi-generator;

· by EraYaN was closed on Jan 22, 2026

Fix output of bin/generate-samples.sh in tmux

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22772

#22772 In OpenAPITools/openapi-generator;

· by wing328 was closed on Jan 22, 2026

C# GenericHost remove state from TokenProvider abstract base class so it makes more sense for JIT requested tokens (for long lived ApiClients with OAuth security schemes)

Client: C-Sharp

Enhancement: Code CleanupGeneral refactoring, removal of deprecated things, commenting, etc.General refactoring, removal of deprecated things, commenting, etc.

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22233

#22233 In OpenAPITools/openapi-generator;

· by EraYaN was closed on Jan 22, 2026

[BUG][typescript-angular] apiKeys cause service compilation errors

Client: TypeScript

Issue: Bug

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22775

#22775 In OpenAPITools/openapi-generator;

· by saxicek was closed on Jan 26, 2026

Update logback to newer version

Client: Java

Enhancement: Compatibility

Server: Java

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22781

#22781 In OpenAPITools/openapi-generator;

· by wing328 was closed on Jan 23, 2026

[swift5][client] soft deprecate Swift 5 generator

Client: Swift

Decommission

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22789

#22789 In OpenAPITools/openapi-generator;

· by 4brunu was closed on Jan 23, 2026

[BUG] [HTML] Fix html array types

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22795

#22795 In OpenAPITools/openapi-generator;

· by madsvonqualen was closed on Jan 24, 2026

Repaired partial_header include for generator csharp

Client: C-Sharp

Enhancement: General

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22442

#22442 In OpenAPITools/openapi-generator;

· by ACanisLupus was closed on Jan 24, 2026

[BUG][Typescript] Fix isRelativeUrl incorrectly detecting URLs containing @, -, ~, . as not relative.

Client: TypeScript

Issue: Bug

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22768

#22768 In OpenAPITools/openapi-generator;

· by Romanow88 was closed on Jan 24, 2026

[csharp][generichost] Add HTTP client name to fix client duplicity

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22118

#22118 In OpenAPITools/openapi-generator;

· by McMlok was closed on Jan 26, 2026

[Rust] Update reqwest to 0.13 and reqwest-middleware to 0.5

Client: Rust

Enhancement: Compatibility

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22816

#22816 In OpenAPITools/openapi-generator;

· by adi-code was closed on Jan 27, 2026

Update python-multipart to newer version

Enhancement: Compatibility

Server: Python

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22821

#22821 In OpenAPITools/openapi-generator;

· by wing328 was closed on Jan 27, 2026

[python-fastapi] Set python version to 3.10

Enhancement: General

Server: Python

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22823

#22823 In OpenAPITools/openapi-generator;

· by wing328 was closed on Jan 27, 2026

[java][resteasy] Update assertj to newer version

Client: Java

Enhancement: Compatibility

Status: Merged (completed).

OpenAPITools/openapi-generatornumber 22824

#22824 In OpenAPITools/openapi-generator;

· by wing328 was closed on Jan 27, 2026