connectrpc · anuraaga · Jun 24, 2026 · Jun 24, 2026 · Jun 24, 2026
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -64,10 +64,10 @@ jobs:
         with:
           python-version: ${{ matrix.python }}
 
+      # For conformance runner
       - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
-          go-version-file: protoc-gen-connect-python/go.mod
-          cache-dependency-path: "**/go.mod"
+          go-version: "^1.26"
 
       - run: uv sync --frozen
 
@@ -89,10 +89,6 @@ jobs:
       - name: run OTel tests
         run: uv run poe test-otel ${{ matrix.coverage == 'cov' && '--cov=connectrpc_otel --cov-report=xml' || '' }}
 
-      - name: run Go tests
-        run: go test ./...
-        working-directory: protoc-gen-connect-python
-
       - name: run conformance tests
         # TODO: Debug stdin/stdout issues on Windows
         if: ${{ !startsWith(matrix.os, 'windows-') }}
@@ -122,28 +118,11 @@ jobs:
         working-directory: connectrpc-otel
 
       - name: build codegen archives
-        uses: goreleaser/goreleaser-action@5daf1e915a5f0af01ddbcd89a43b8061ff4f1a89 # v7.2.2
-        with:
-          version: "~> v2"
-          args: release --snapshot --clean
-          workdir: protoc-gen-connect-python
-
-      - run: |
-          # Make sure uv doesn't build the project since the data files aren't ready yet.
-          uv sync --frozen --no-install-project
-          uv run --no-sync python scripts/generate_wheels.py
-        working-directory: protoc-gen-connect-python
+        run: uv build
+        working-directory: protoc-gen-connectrpc
 
       - uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0
         if: github.event_name != 'pull_request'
         with:
           repository-url: https://test.pypi.org/legacy/
           skip-existing: true
-
-      - name: publish protoc-gen-connect-python
-        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0
-        if: github.event_name != 'pull_request'
-        with:
-          repository-url: https://test.pypi.org/legacy/
-          packages-dir: protoc-gen-connect-python/dist
-          skip-existing: true
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
@@ -19,41 +19,15 @@ jobs:
 
       - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
 
-      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
-        with:
-          go-version-file: protoc-gen-connect-python/go.mod
-          cache-dependency-path: "**/go.mod"
-
       - run: uv sync --frozen
 
       - run: uv build
 
       - name: build codegen archives
-        uses: goreleaser/goreleaser-action@5daf1e915a5f0af01ddbcd89a43b8061ff4f1a89 # v7.2.2
-        with:
-          version: "~> v2"
-          args: release --clean
-          workdir: protoc-gen-connect-python
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - run: |
-          # Make sure uv doesn't build the project since the data files aren't ready
-          uv sync --frozen --no-install-project
-          uv run --no-sync python scripts/generate_wheels.py
-        working-directory: protoc-gen-connect-python
-
-      - uses: actions/attest@59d89421af93a897026c735860bf21b6eb4f7b26 # v4.1.0
-        with:
-          subject-checksums: out/checksums.txt
-
-      - name: publish connect-python
-        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0
-        with:
-          skip-existing: true
+        run: uv build
+        working-directory: protoc-gen-connectrpc
 
-      - name: publish protoc-gen-connect-python
+      - name: publish
         uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0
         with:
-          packages-dir: protoc-gen-connect-python/dist
           skip-existing: true
diff --git a/.gitignore b/.gitignore
@@ -118,13 +118,7 @@ venv.bak/
 
 .vscode
 
-# generated Go binary
-protoc-gen-connect-python/protoc-gen-connect-python
-
-# goreleaser archives
 out/
 
-go.work.sum
-
 # GitHub Actions temporary files
 .github/.tmp/
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -1,4 +1,4 @@
-# Contributing to connect-python
+# Contributing to Connect
 
 ## Before You Contribute
 
@@ -30,8 +30,8 @@ $ git commit -s -m "your commit message"
 1. Fork and clone the repository:
 
    ```console
-   $ gh repo fork connectrpc/connect-python --clone
-   $ cd connect-python
+   $ gh repo fork connectrpc/connect-py --clone
+   $ cd connect-py
    ```
 
 2. Verify everything is working:

diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
@@ -12,8 +12,8 @@
 1. Clone the repository:
 
    ```bash
-   git clone https://github.com/connectrpc/connect-python
-   cd connect-python
+   git clone https://github.com/connectrpc/connect-py
+   cd connect-py
    ```
 
 2. Install dependencies:

diff --git a/README.md b/README.md
@@ -1,10 +1,10 @@
-# connect-python
+# Connect for Python
 
 [![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
-[![CI](https://github.com/connectrpc/connect-python/actions/workflows/ci.yaml/badge.svg)](https://github.com/connectrpc/connect-python/actions/workflows/ci.yaml)
-[![codecov](https://codecov.io/github/connectrpc/connect-python/graph/badge.svg)](https://codecov.io/github/connectrpc/connect-python)
-[![PyPI version](https://img.shields.io/pypi/v/connect-python)](https://pypi.org/project/connect-python)
-[![API Docs](https://img.shields.io/badge/API_Docs-connectrpc.github.io-blue)](https://connectrpc.github.io/connect-python/api/)
+[![CI](https://github.com/connectrpc/connect-py/actions/workflows/ci.yaml/badge.svg)](https://github.com/connectrpc/connect-py/actions/workflows/ci.yaml)
+[![codecov](https://codecov.io/github/connectrpc/connect-py/graph/badge.svg)](https://codecov.io/github/connectrpc/connect-py)
+[![PyPI version](https://img.shields.io/pypi/v/connect-py)](https://pypi.org/project/connect-py)
+[![API Docs](https://img.shields.io/badge/API_Docs-connectrpc.github.io-blue)](https://connectrpc.github.io/connect-py/api/)
 
 A Python implementation of [Connect](https://connectrpc.com/): Protobuf RPC that works.
 
@@ -51,12 +51,10 @@ A reasonable `buf.gen.yaml`:
 ```yaml
 version: v2
 plugins:
-  - remote: buf.build/protocolbuffers/python
-    out: .
-  - remote: buf.build/protocolbuffers/pyi
-    out: .
+  - remote: buf.build/bufbuild/py
+    out: gen
   - remote: buf.build/connectrpc/python
-    out: .
+    out: gen
 ```
 
 Or, you can install the compiler (e.g. `pip install protoc-gen-connectrpc`), and
@@ -68,17 +66,35 @@ Then, you can use `protoc-gen-connectrpc` as a local plugin:
   out: .
 ```
 
-Alternatively, download a precompiled binary from the
-[releases](https://github.com/connectrpc/connect-python/releases).
-
 `protoc-gen-connectrpc` is only needed for code generation. Your actual
 application should include `connectrpc` as a dependency for the runtime
 component.
 
+#### google.protobuf compatibility
+
+Connect defaults to targeting [protobuf-py](https://protobufpy.com) as the Protocol Buffers
+implementation but Google's Protocol Buffers for Python are also fully supported. Pass `protobuf=google`
+to the codegen plugin to use it.
+
+```yaml
+version: v2
+plugins:
+  - remote: buf.build/protocolbuffers/python
+    out: .
+  - remote: buf.build/protocolbuffers/pyi
+    out: .
+  - remote: buf.build/connectrpc/python
+    out: .
+    opt: protobuf=google
+```
+
+If configuring a client for JSON codec, make sure to pass `connectrpc.compat.google_protobuf_json_codec`
+instead of `connectrpc.codec.proto_json_codec`.
+
 ### Basic Client Usage
 
 ```python
-from your_service_pb2 import HelloRequest, HelloResponse
+from your_service_pb import HelloRequest, HelloResponse
 from your_service_connect import HelloServiceClient
 
 # Create async client
@@ -93,7 +109,7 @@ async def main():
 
 ```python
 from connectrpc.request import RequestContext
-from your_service_pb2 import HelloRequest, HelloResponse
+from your_service_pb import HelloRequest, HelloResponse
 from your_service_connect import HelloService, HelloServiceASGIApplication
 
 class MyHelloService(HelloService):
@@ -110,7 +126,7 @@ app = HelloServiceASGIApplication(MyHelloService())
 ### Basic Client Usage (Synchronous)
 
 ```python
-from your_service_pb2 import HelloRequest
+from your_service_pb import HelloRequest
 from your_service_connect import HelloServiceClientSync
 
 # Create sync client
@@ -128,7 +144,7 @@ Check out [the docs](https://connectrpc.com/docs/python/getting-started) for mor
 
 ## Streaming Support
 
-connect-python supports all RPC streaming types:
+Connect supports all RPC streaming types:
 
 - **Unary**: Single request, single response
 - **Server Streaming**: Single request, multiple responses
@@ -236,25 +252,25 @@ We verify the following servers with ConnectRPC's conformance suite.
 
 For ASGI servers:
 
-- [pyvoy](https://pyvoy.dev) - Fully-featured ASGI server, enables all of Connect-Python's features
+- [pyvoy](https://pyvoy.dev) - Fully-featured ASGI server, enables all of Connect's features
 - [Uvicorn](https://www.uvicorn.org/) - Lightning-fast ASGI server for HTTP/1
 
 For WSGI servers:
 
-- [pyvoy](https://pyvoy.dev) - Fully-featured WSGI server, enables all of Connect-Python's features
+- [pyvoy](https://pyvoy.dev) - Fully-featured WSGI server, enables all of Connect's features
 - [Gunicorn](https://gunicorn.org/) - Python WSGI HTTP Server for HTTP/1
 
 Other ASGI and WSGI servers should also generally work though we have found some issues with flakiness
 with our conformance tests. If you don't have any preference, we recommend one of the above servers.
 
 ## WSGI Support
 
-connect-python provides full WSGI support via `ConnectWSGIApplication` for synchronous Python applications. This enables integration with traditional WSGI servers like Gunicorn and uWSGI.
+Connect provides full WSGI support via `ConnectWSGIApplication` for synchronous Python applications. This enables integration with traditional WSGI servers like Gunicorn and uWSGI.
 
 ```python
 from connectrpc.request import RequestContext
 from connectrpc.server import ConnectWSGIApplication
-from your_service_pb2 import Request, Response
+from your_service_pb import Request, Response
 from your_service_connect import YourService, YourServiceWSGIApplication
 
 class YourServiceImpl(YourService):
@@ -275,7 +291,7 @@ app = YourServiceWSGIApplication(YourServiceImpl())
 
 ## Compression Support
 
-connect-python supports multiple compression algorithms:
+Connect supports multiple compression algorithms:
 
 - **gzip**: Built-in support, always available
 - **brotli**: Available when `brotli` package is installed
@@ -327,7 +343,7 @@ client = HelloServiceClient(
 
 ### Connect GET Support
 
-connect-python automatically enables GET request support for methods marked with `idempotency_level = NO_SIDE_EFFECTS` in your proto files:
+Connect automatically enables GET request support for methods marked with `idempotency_level = NO_SIDE_EFFECTS` in your proto files:
 
 ```proto
 service YourService {
@@ -347,7 +363,7 @@ response = await client.get_data(request)
 
 ### CORS Support
 
-connect-python works with any ASGI CORS middleware. For example, using Starlette:
+Connect works with any ASGI CORS middleware. For example, using Starlette:
 
 ```python
 from starlette.middleware.cors import CORSMiddleware

diff --git a/RELEASE.md b/RELEASE.md
@@ -1,6 +1,6 @@
-# Releasing connect-python
+# Releasing Connect
 
-This document outlines how to create a release of connect-python.
+This document outlines how to create a release of Connect.
 
 1. Clone the repo, ensuring you have the latest main.
 
@@ -11,7 +11,7 @@ This document outlines how to create a release of connect-python.
 
 Note the new version X.Y.Z in the updated files.
 
-3. Open a PR titled "Prepare for vX.Y.Z" ([Example PR: #60](https://github.com/connectrpc/connect-python/pull/60)) and assign the `connectrpc/python` group as reviewers. Once it's approved by at
+3. Open a PR titled "Prepare for vX.Y.Z" ([Example PR: #60](https://github.com/connectrpc/connect-py/pull/60)) and assign the `connectrpc/python` group as reviewers. Once it's approved by at
    least one other maintainer and CI passes, merge it.
 
    _Make sure no new commits are merged until the release is complete._

diff --git a/buf.gen.yaml b/buf.gen.yaml
@@ -1,7 +1,6 @@
 version: v2
 plugins:
-  # NOTE: v26.0 is the earliest version supporting protobuf==5.
-  - remote: buf.build/protocolbuffers/python:v26.0
+  - local: protoc-gen-py
     out: src/connectrpc/_gen
-  - remote: buf.build/protocolbuffers/pyi:v26.0
+  - local: protoc-gen-connectrpc
     out: src/connectrpc/_gen