Issues

• Templated scalar value assignment issue

  bugcompiler:core
  microsoft/typespec#12506 · Filter by author timotheeguerin opened on Nov 5, 2026
  1

• [http-client-csharp] Shared visibility models serialize unset properties from other request contexts

  bugemitter:client:csharp
  microsoft/typespec#12503 · Filter by author JoshLove-msft opened on Nov 5, 2026
  1

• [Bug]: Python sample serializer generates invalid literals for quoted If-Match ETags

  bugemitter:client:python
  microsoft/typespec#12498 · Filter by author msyyc opened on Nov 5, 2026
  1

  

• [http-client-csharp] Route nested model reads and writes through ModelReaderWriter proxies

  emitter:client:csharpfeature
  microsoft/typespec#12485 · Filter by author m-nash opened on Nov 3, 2026
  1

  

• Add openapi3 emitter option to customize rendering namespace types

  design:neededemitter:openapi3featuretriaged:core
  microsoft/typespec#12479 · Filter by author bchinn-arista opened on Nov 3, 2026 · Backlog
  2

• Add Support for Union Extends

  emitter:client:csharpfeature
  microsoft/typespec#12478 · Filter by author jorgerangel-msft opened on Nov 3, 2026
  1

  

• Emitter framework: make the language-specific Alloy peer dependencies optional

  emitter-frameworkfeaturetriaged:core
  microsoft/typespec#12476 · Filter by author enell opened on Nov 3, 2026 · [2026] December
  1

  

• Emitter framework (TypeScript): allow customizing the JSDoc of generated interface members

  design:neededemitter-frameworkfeature
  microsoft/typespec#12475 · Filter by author enell opened on Nov 3, 2026 · Backlog
  3

  

• Don't expose a @continuationToken request parameter on nextLink-paged operations

  bugemitter:client:csharp
  microsoft/typespec#12468 · Filter by author jorgerangel-msft opened on Nov 2, 2026
  1

  

• [python] add test case for https://github.com/Azure/typespec-azure/pull/5677

  emitter:client:pythonfeature
  microsoft/typespec#12459 · Filter by author msyyc opened on Nov 2, 2026
  1

  

• [http-client-java] SSE follow-up: feature coverage and codegen robustness

  emitter:client:javafeature
  microsoft/typespec#12458 · Filter by author XiaofeiCao opened on Nov 2, 2026
  1

  

• [http-client-csharp] Replace general Roslyn simplification with bounded provider-driven reduction

  emitter:client:csharpfeature
  microsoft/typespec#12454 · Filter by author live1206 opened on Oct 31, 2026
  20

  

• [Bug]: Java response schema JavaDoc marks read-required properties on JSON Merge Patch models as optional

  bugemitter:client:java
  microsoft/typespec#12449 · Filter by author Y-Sindo opened on Oct 30, 2026
  1

  

• Upgrade C# generator Roslyn to 5.9.0

  emitter:client:csharpfeature
  microsoft/typespec#12445 · Filter by author ArthurMa1978 opened on Oct 30, 2026
  2

  

• [EPIC] Improve end-to-end C# SDK generation performance across all five stages

  emitter:client:csharpepicfeature
  microsoft/typespec#12442 · Filter by author ArthurMa1978 opened on Oct 30, 2026
  1

• [Bug]: Python sample generation loses REST body example values when the SDK parameter is renamed

  bugemitter:client:python
  microsoft/typespec#12433 · Filter by author Y-Sindo opened on Oct 29, 2026
  3

• [http-client-csharp] Move explicit and safe property flattening upstream from MPG

  emitter:client:csharpfeature
  microsoft/typespec#12414 · Filter by author live1206 opened on Oct 28, 2026
  2

  

• [Bug]: Can not reuse declaration expressions?

  compiler:coredesign:needed
  microsoft/typespec#12413 · Filter by author dvv opened on Oct 28, 2026 · Backlog
  5

• [http]: Add HEAD operation template that returns resource-related headers

  featurelib:httptriaged:core
  microsoft/typespec#12411 · Filter by author markcowl opened on Oct 27, 2026 · Backlog
  2

• [http-client-csharp] Handling types that are both experimental and obsolete, including omitting unused types

  emitter:client:csharpfeature
  microsoft/typespec#12408 · Filter by author JoshLove-msft opened on Oct 27, 2026
  1

• [http-client-csharp] Preserve historical constructor overloads with mixed value-type nullability

  bugemitter:client:csharp
  microsoft/typespec#12407 · Filter by author live1206 opened on Oct 27, 2026
  1

  

• [http-client-python][ICM] Escape quotes and backslashes in StringType.get_declaration

  bugemitter:client:python
  microsoft/typespec#12405 · Filter by author g2vinay opened on Oct 26, 2026
  2

  

• [python] add test case for https://github.com/microsoft/typespec/pull/12288

  emitter:client:pythonfeature
  microsoft/typespec#12374 · Filter by author msyyc opened on Oct 23, 2026
  2

  

• Add the Java emitter to the TypeSpec playground

  featureui:playground
  microsoft/typespec#12372 · Filter by author JoshLove-msft opened on Oct 23, 2026
  5

  

• [Bug]: http-server-csharp: enum ProvisioningState includes only user-defined members

  bugemitter:service:csharptriaged:core
  microsoft/typespec#12367 · Filter by author abatishchev opened on Oct 22, 2026 · [2026] December
  1