microsoft/typespec

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Stars: 5.9k
Forks: 394
Open beginner issues: 0
Indexed issues: 1k
Avg merge: 1d 23h
Merged PRs (30d): 104

Dominant language: Java
License: MIT
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

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1001 open issues indexed

[Bug]: FilterVisibility to honor extends Open

bug lib:http triaged:core

microsoft/typespec#11036 · 2 comments · 2 reactions · 2 assignees · Indexed Sep 17, 2026
[Bug]: Custom-code references to generated (un-stubbed) types emit empty namespace ( global::.TypeName ) Open

bug emitter:client:csharp

microsoft/typespec#11060 · 1 comment · 2 reactions · 2 assignees · Indexed Sep 17, 2026
[http-client-java] autorest generator code cleanup Open

emitter:client:java epic

microsoft/typespec#11068 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
[http-client-java] remove jsonrpc Open

emitter:client:java feature

microsoft/typespec#11069 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[http-client-java] cleanup unnecessary Mapper(Factory)s Open

emitter:client:java feature

microsoft/typespec#11070 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[http-client-java] remove vanilla-related code Open

emitter:client:java

microsoft/typespec#11071 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[http-client-java] make stream-style-serialization the only serialization method Open

emitter:client:java feature

microsoft/typespec#11072 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[http-client-java] merge `Javagen`, `FluentGen` into corresponding `TypeSpecPlugin` and `TypeSpecFluentPlugin` Open

emitter:client:java feature

microsoft/typespec#11074 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[http-client-java] remove modelerSettings(flatten-model) Open

emitter:client:java feature

microsoft/typespec#11075 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[http-client-java] remove unused settings Open

emitter:client:java feature

microsoft/typespec#11076 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
LSP 3.18: opportunities for the TypeSpec language server Open

compiler:core feature ide

microsoft/typespec#11085 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Bug]: SSEStream response examples are not emitted on OpenAPI 3.2.0 Open

bug emitter:openapi3 triaged:core

microsoft/typespec#11090 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[python] What TypeSpec type maps to IO[bytes] for a streaming binary body? Open

emitter:client:python feature

microsoft/typespec#11107 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
TypeSpec supports all reserved keywords as model property keys. Open

compiler:core feature triaged:core

microsoft/typespec#11136 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[http-specs] Add named-model query parameter scenario to remaining expansion styles for parity Open

feature lib:http-specs

microsoft/typespec#11165 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[Feature Request] HTTP: support the QUERY method (RFC 10008) and OpenAPI 3.2 `query` operation emission Open

design:needed feature lib:http triaged:core

microsoft/typespec#11171 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Track removing internal ClientOptions XML-doc parity in C# generator Open

emitter:client:csharp feature

microsoft/typespec#11181 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
Feature request: C# generator should format generated methods as XML doc cref elements Open

emitter:client:csharp feature

microsoft/typespec#11202 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Emit protovalidate constraints for core TypeSpec decorators Open

emitter:protobuf feature triaged:core

microsoft/typespec#11227 · 2 comments · 2 reactions · 1 assignee · Indexed Sep 17, 2026
C# emitter: non-string-backed referenced extensible enums emit inaccessible internal ToSerial{Name}() on write Open

bug emitter:client:csharp

microsoft/typespec#11230 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[http-client-python] model.__new__ investigation Open

bug emitter:client:python

microsoft/typespec#11234 · 1 comment · 1 reaction · 2 assignees · Indexed Sep 17, 2026
[http-client-csharp] Avoid sharing ParameterProvider instances across generated methods Open

emitter:client:csharp feature

microsoft/typespec#11244 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[http-client-csharp] Fix partial method customization parameter rebinding Open

bug emitter:client:csharp

microsoft/typespec#11245 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
[http-client-csharp] `SystemObjectTypeProvider` looks unnecessary Open

emitter:client:csharp feature

microsoft/typespec#11261 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
Consider Publishing Generator Dev Versions When Running RegenPreview Open

emitter:client:csharp feature

microsoft/typespec#11279 · 1 comment · 2 reactions · 1 assignee · Indexed Sep 17, 2026
C# generator: omit removed types from BinaryData union documentation Open

emitter:client:csharp feature

microsoft/typespec#11342 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
Triple error when compiler is not found Open

bug ide

microsoft/typespec#11343 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Investigate migrating formatter from Prettier to oxfmt (oxc formatter) Open

eng feature triaged:core

microsoft/typespec#11350 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[python] emit typeddicts in a folder /types/ to allow for patching Open

emitter:client:python feature

microsoft/typespec#11356 · 1 comment · 2 reactions · 2 assignees · Indexed Sep 17, 2026
Speed up end-to-end C# Azure SDK regeneration Open

emitter:client:csharp feature

microsoft/typespec#11361 · 4 comments · 1 reaction · 1 assignee · Indexed Sep 17, 2026
validate content-type set as constant/required while @body or @bodyRoot value is optional? Open

feature lib:http triaged:core

microsoft/typespec#11413 · 2 comments · 2 reactions · 2 assignees · Indexed Sep 17, 2026
Use JSON instead of YAML for typespec-python code model serialization Open

emitter:client:python feature

microsoft/typespec#11419 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
[python] pylint runs on tests/ samples/ folders even when not generated by emitter Open

bug emitter:client:python

microsoft/typespec#11424 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
[Bug]: http-server-csharp: Generated model file has unknown using TypeSpec.Helpers Open

bug emitter:service:csharp triaged:core

microsoft/typespec#11446 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[Bug]: http-server-csharp: Some generated model files have a generic, numbered name Open

bug emitter:service:csharp triaged:core

microsoft/typespec#11448 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[Bug]: http-server-csharp: Generated model file is empty and produces a warning: Inline models use generated names in emitted code. Consider defining each model with an explicit name. Open

bug emitter:service:csharp triaged:core

microsoft/typespec#11451 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[Bug]: http-server-csharp: tsp compile fails with error: Visibility of property 'name' is sealed and cannot be changed. Open

bug emitter:service:csharp triaged:core

microsoft/typespec#11452 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[Feature request] http-server-csharp: Expand output-type to support multiple choice: controllers, models, etc. Open

emitter:service:csharp feature triaged:core

microsoft/typespec#11461 · 4 comments · 1 reaction · 1 assignee · Indexed Sep 17, 2026
[Feature request] http-server-csharp: Configuration key to turn of generating Operations controller Open

emitter:service:csharp feature triaged:core

microsoft/typespec#11494 · 1 comment · 2 reactions · 2 assignees · Indexed Sep 17, 2026
[Bug]: MergePatchUpdate omits the null branch on Record values, so per-key deletion fails validation Open

bug lib:http triaged:core

microsoft/typespec#11533 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[Bug]: MergePatchUpdate keeps allOf on the unpatched base, so an empty merge patch is rejected Open

bug lib:http triaged:core

microsoft/typespec#11534 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[python]: typeddict generating non-input types Open

bug emitter:client:python

microsoft/typespec#11562 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[Bug]: @madeRequired breaks OptionalProperties Open

bug design:needed lib:versioning triaged:core

microsoft/typespec#11592 · 5 comments · 1 reaction · 1 assignee · Indexed Sep 17, 2026
Track DEP0190 warnings from http-client-python install and prepare scripts Open

bug emitter:client:python

microsoft/typespec#11603 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
[http-client-python] Remove setuptools warnings for pygen template directories Open

bug emitter:client:python

microsoft/typespec#11604 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
[http-client-python] Use SPDX license metadata for pygen package Open

bug deprecation emitter:client:python

microsoft/typespec#11607 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 17, 2026
Investigate Adding Telemetry for Renames + Back Compat Done By the Generator Open

emitter:client:csharp feature

microsoft/typespec#11624 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[python] multipart content anon model not being handled correctly by emitter? Open

bug emitter:client:python

microsoft/typespec#11646 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
[C#] Support BinaryData-backed data URI serialization Open

emitter:client:csharp feature

microsoft/typespec#11649 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 17, 2026
[http-client-csharp] Support optional success response bodies Open

emitter:client:csharp feature

microsoft/typespec#11651 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026

microsoft/typespec

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