msgspec · sobolevn · Jun 7, 2026 · Jun 7, 2026 · Jun 7, 2026
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
@@ -19,7 +19,7 @@ Before getting started, you will need to already have installed:
 Once you have those installed, you're ready to clone the repository:
 
 ```
-git clone https://github.com/jcrist/msgspec.git
+git clone https://github.com/msgspec/msgspec.git
 cd msgspec/
 ```
 
@@ -131,7 +131,7 @@ just doc-serve
 
 ## Benchmarking
 
-You can run all [benchmarks](https://jcristharif.com/msgspec/benchmarks.html) with the `bench` recipe, for example:
+You can run all [benchmarks](https://msgspec.dev/benchmarks.html) with the `bench` recipe, for example:
 
 ```
 just bench encodings
@@ -225,4 +225,4 @@ and fix any issues that come up.
 
 `msgspec` has a code of conduct that must be followed by all contributors to
 the project. You may read the code of conduct
-[here](https://github.com/jcrist/msgspec/blob/main/.github/CODE_OF_CONDUCT.md).
+[here](https://github.com/msgspec/msgspec/blob/main/.github/CODE_OF_CONDUCT.md).
diff --git a/README.md b/README.md
@@ -1,21 +1,21 @@
 <p align="center">
-  <a href="https://jcristharif.com/msgspec/">
+  <a href="https://msgspec.dev/">
     <picture>
-      <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/jcrist/msgspec/main/docs/_static/msgspec-logo-dark.svg">
-      <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/jcrist/msgspec/main/docs/_static/msgspec-logo-light.svg">
-      <img src="https://raw.githubusercontent.com/jcrist/msgspec/main/docs/_static/msgspec-logo-light.svg" width="35%" alt="msgspec">
+      <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/msgspec/msgspec/main/docs/_static/msgspec-logo-dark.svg">
+      <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/msgspec/msgspec/main/docs/_static/msgspec-logo-light.svg">
+      <img src="https://raw.githubusercontent.com/msgspec/msgspec/main/docs/_static/msgspec-logo-light.svg" width="35%" alt="msgspec">
     </picture>
   </a>
 </p>
 
 <div align="center">
 
-[![CI](https://github.com/jcrist/msgspec/actions/workflows/ci.yml/badge.svg)](https://github.com/jcrist/msgspec/actions/workflows/ci.yml)
-[![Documentation](https://img.shields.io/badge/docs-latest-blue.svg)](https://jcristharif.com/msgspec/)
-[![License](https://img.shields.io/github/license/jcrist/msgspec.svg)](https://github.com/jcrist/msgspec/blob/main/LICENSE)
+[![CI](https://github.com/msgspec/msgspec/actions/workflows/ci.yml/badge.svg)](https://github.com/msgspec/msgspec/actions/workflows/ci.yml)
+[![Documentation](https://img.shields.io/badge/docs-latest-blue.svg)](https://msgspec.dev/)
+[![License](https://img.shields.io/github/license/msgspec/msgspec.svg)](https://github.com/msgspec/msgspec/blob/main/LICENSE)
 [![PyPI Version](https://img.shields.io/pypi/v/msgspec.svg)](https://pypi.org/project/msgspec/)
 [![Conda Version](https://img.shields.io/conda/vn/conda-forge/msgspec.svg)](https://anaconda.org/conda-forge/msgspec)
-[![Code Coverage](https://codecov.io/gh/jcrist/msgspec/branch/main/graph/badge.svg)](https://app.codecov.io/gh/jcrist/msgspec)
+[![Code Coverage](https://codecov.io/gh/msgspec/msgspec/branch/main/graph/badge.svg)](https://app.codecov.io/gh/msgspec/msgspec)
 
 </div>
 
@@ -25,28 +25,28 @@ support for [JSON](https://json.org), [MessagePack](https://msgpack.org),
 
 - 🚀 **High performance encoders/decoders** for common protocols. The JSON and
   MessagePack implementations regularly
-  [benchmark](https://jcristharif.com/msgspec/benchmarks.html) as the fastest
+  [benchmark](https://msgspec.dev/benchmarks.html) as the fastest
   options for Python.
 
 - 🎉 **Support for a wide variety of Python types**. Additional types may be
   supported through
-  [extensions](https://jcristharif.com/msgspec/extending.html).
+  [extensions](https://msgspec.dev/extending.html).
 
 - 🔍 **Zero-cost schema validation** using familiar Python type annotations. In
-  [benchmarks](https://jcristharif.com/msgspec/benchmarks.html) `msgspec`
+  [benchmarks](https://msgspec.dev/benchmarks.html) `msgspec`
   decodes *and* validates JSON faster than
   [orjson](https://github.com/ijl/orjson) can decode it alone.
 
 - ✨ **A speedy Struct type** for representing structured data. If you already
   use [dataclasses](https://docs.python.org/3/library/dataclasses.html) or
   [attrs](https://www.attrs.org/en/stable/),
-  [structs](https://jcristharif.com/msgspec/structs.html) should feel familiar.
+  [structs](https://msgspec.dev/structs.html) should feel familiar.
   However, they're
-  [5-60x faster](https://jcristharif.com/msgspec/benchmarks.html#structs)
+  [5-60x faster](https://msgspec.dev/benchmarks.html#structs)
   for common operations.
 
 All of this is included in a
-[lightweight library](https://jcristharif.com/msgspec/benchmarks.html#library-size)
+[lightweight library](https://msgspec.dev/benchmarks.html#library-size)
 with no required dependencies.
 
 ---
@@ -97,18 +97,18 @@ msgspec.ValidationError: Expected `str`, got `int` - at `$.groups[0]`
 the nicities of validation libraries like
 [pydantic](https://pydantic.dev/docs/validation/latest/get-started/). For supported types,
 encoding/decoding a message with `msgspec` can be
-[~10-80x faster than alternative libraries](https://jcristharif.com/msgspec/benchmarks.html).
+[~10-80x faster than alternative libraries](https://msgspec.dev/benchmarks.html).
 
 <p align="center">
-  <a href="https://jcristharif.com/msgspec/benchmarks.html">
-    <img src="https://raw.githubusercontent.com/jcrist/msgspec/main/docs/_static/bench-validation.svg">
+  <a href="https://msgspec.dev/benchmarks.html">
+    <img src="https://raw.githubusercontent.com/msgspec/msgspec/main/docs/_static/bench-validation.svg">
   </a>
 </p>
 
-See [the documentation](https://jcristharif.com/msgspec/) for more information.
+See [the documentation](https://msgspec.dev/) for more information.
 
 
 ## LICENSE
 
 New BSD. See the
-[License File](https://github.com/jcrist/msgspec/blob/main/LICENSE).
+[License File](https://github.com/msgspec/msgspec/blob/main/LICENSE).
diff --git a/docs/_templates/help.html b/docs/_templates/help.html
@@ -1,5 +1,5 @@
 <h3>Need help?</h3>
 
 <p>
-  Open an issue in the <a href="https://github.com/jcrist/msgspec/issues">issue tracker</a>.
+  Open an issue in the <a href="https://github.com/msgspec/msgspec/issues">issue tracker</a>.
 </p>
diff --git a/docs/benchmarks.rst b/docs/benchmarks.rst
@@ -75,7 +75,7 @@ Each benchmark creates a message containing one or more ``File``/``Directory``
 instances, then serializes, deserializes, and validates it in a loop.
 
 The full benchmark source can be found
-`here <https://github.com/jcrist/msgspec/tree/main/benchmarks/bench_validation>`__.
+`here <https://github.com/msgspec/msgspec/tree/main/benchmarks/bench_validation>`__.
 
 .. raw:: html
 
@@ -130,7 +130,7 @@ popular Python JSON libraries.
 - json_ (standard library)
 
 The full benchmark source can be found
-`here <https://github.com/jcrist/msgspec/blob/main/benchmarks/bench_encodings.py>`__.
+`here <https://github.com/msgspec/msgspec/blob/main/benchmarks/bench_encodings.py>`__.
 
 .. raw:: html
 
@@ -187,7 +187,7 @@ For each library, we measure both the peak increase in memory usage (RSS) and
 the time to JSON decode the file.
 
 The full benchmark source can be found `here
-<https://github.com/jcrist/msgspec/blob/main/benchmarks/bench_large_json.py>`__.
+<https://github.com/msgspec/msgspec/blob/main/benchmarks/bench_large_json.py>`__.
 
 **Results (smaller is better):**
 
@@ -252,7 +252,7 @@ For each library, the following operations are benchmarked:
 - Time to compare two instances for order (``<``/``>``/``<=``/``>=``)
 
 The full benchmark source can be found `here
-<https://github.com/jcrist/msgspec/blob/main/benchmarks/bench_structs.py>`__.
+<https://github.com/msgspec/msgspec/blob/main/benchmarks/bench_structs.py>`__.
 
 **Results (smaller is better):**
 
@@ -299,7 +299,7 @@ of the benchmarked type, then measure:
 - The total amount of memory used by this data structure
 
 The full benchmark source can be found `here
-<https://github.com/jcrist/msgspec/blob/main/benchmarks/bench_gc.py>`__.
+<https://github.com/msgspec/msgspec/blob/main/benchmarks/bench_gc.py>`__.
 
 **Results (smaller is better):**
 
@@ -342,7 +342,7 @@ Here we compare the on-disk size of ``msgspec`` and ``pydantic``, its closest
 equivalent.
 
 The full benchmark source can be found `here
-<https://github.com/jcrist/msgspec/blob/main/benchmarks/bench_library_size.py>`__.
+<https://github.com/msgspec/msgspec/blob/main/benchmarks/bench_library_size.py>`__.
 
 **Results (smaller is better)**
 
@@ -531,7 +531,7 @@ smaller on disk.
     </script>
 
 
-.. _msgspec: https://jcristharif.com/msgspec/
+.. _msgspec: https://msgspec.dev/
 .. _msgpack: https://github.com/msgpack/msgpack-python
 .. _ormsgpack: https://github.com/ormsgpack/ormsgpack
 .. _MessagePack: https://msgpack.org

diff --git a/docs/conf.py b/docs/conf.py
@@ -70,7 +70,7 @@ class UnsetType:
     "footer_icons": [
         {
             "name": "GitHub",
-            "url": "https://github.com/jcrist/msgspec",
+            "url": "https://github.com/msgspec/msgspec",
             "html": GITHUB_LOGO,
             "class": "",
         },
@@ -98,8 +98,8 @@ class UnsetType:
 napoleon_custom_sections = [("Configuration", "params_style")]
 default_role = "obj"
 extlinks = {
-    "issue": ("https://github.com/jcrist/msgspec/issues/%s", "Issue #%s"),
-    "pr": ("https://github.com/jcrist/msgspec/pull/%s", "PR #%s"),
+    "issue": ("https://github.com/msgspec/msgspec/issues/%s", "Issue #%s"),
+    "pr": ("https://github.com/msgspec/msgspec/pull/%s", "PR #%s"),
 }
 copybutton_prompt_text = r">>> |\.\.\. |\$ |In \[\d*\]: | {2,5}\.\.\.: "
 copybutton_prompt_is_regexp = True
diff --git a/docs/converters.rst b/docs/converters.rst
@@ -127,9 +127,9 @@ support by wrapping the standard library's `tomllib` module as follows:
 ``msgspec`` uses these APIs to implement ``toml`` and ``yaml`` support,
 wrapping external serialization libraries:
 
-- ``msgspec.toml`` (`code <https://github.com/jcrist/msgspec/blob/main/src/msgspec/toml.py>`__)
+- ``msgspec.toml`` (`code <https://github.com/msgspec/msgspec/blob/main/src/msgspec/toml.py>`__)
 
-- ``msgspec.yaml`` (`code <https://github.com/jcrist/msgspec/blob/main/src/msgspec/yaml.py>`__)
+- ``msgspec.yaml`` (`code <https://github.com/msgspec/msgspec/blob/main/src/msgspec/yaml.py>`__)
 
 The implementation in ``msgspec.toml`` is *almost* identical to the one above,
 with some additional code for error handling.

diff --git a/docs/examples/asyncio-kv.rst b/docs/examples/asyncio-kv.rst
@@ -23,7 +23,7 @@ messages. The length of each message is prefixed to each message
 to make it easier to efficiently determine message boundaries.
 
 The full example source can be found `here
-<https://github.com/jcrist/msgspec/tree/main/examples/asyncio-kv>`__.
+<https://github.com/msgspec/msgspec/tree/main/examples/asyncio-kv>`__.
 
 .. literalinclude:: ../../examples/asyncio-kv/kv.py
     :language: python

diff --git a/docs/examples/conda-repodata.rst b/docs/examples/conda-repodata.rst
@@ -64,7 +64,7 @@ determine the top 10 packages by file size.
 **Source**
 
 The full example source can be found `here
-<https://github.com/jcrist/msgspec/tree/main/examples/conda-repodata>`__.
+<https://github.com/msgspec/msgspec/tree/main/examples/conda-repodata>`__.
 
 .. literalinclude:: ../../examples/conda-repodata/query_repodata.py
     :language: python
@@ -112,6 +112,6 @@ The full example source can be found `here
 .. _current_repodata.json: https://conda.anaconda.org/conda-forge/noarch/current_repodata.json
 .. _json: https://docs.python.org/3/library/json.html
 .. _ujson: https://github.com/ultrajson/ultrajson
-.. _msgspec: https://jcristharif.com/msgspec/
+.. _msgspec: https://msgspec.dev/
 .. _orjson: https://github.com/ijl/orjson
 .. _simdjson: https://github.com/TkTech/pysimdjson
diff --git a/docs/examples/geojson.rst b/docs/examples/geojson.rst
@@ -21,7 +21,7 @@ types, and :ref:`struct-tagged-unions` to differentiate between them. See the
 relevant docs for more information.
 
 The full example source can be found `here
-<https://github.com/jcrist/msgspec/tree/main/examples/geojson>`__.
+<https://github.com/msgspec/msgspec/tree/main/examples/geojson>`__.
 
 .. literalinclude:: ../../examples/geojson/msgspec_geojson.py
     :language: python
@@ -71,6 +71,6 @@ GeoJSON.  Compared to geojson_ (another validating geojson library for python),
 loading the data using ``msgspec`` was **15.3x faster**.
 
 .. _specification: https://datatracker.ietf.org/doc/html/rfc7946
-.. _example GeoJSON: https://github.com/jcrist/msgspec/blob/main/examples/geojson/canada.json
+.. _example GeoJSON: https://github.com/msgspec/msgspec/blob/main/examples/geojson/canada.json
 .. _orjson: https://github.com/ijl/orjson
 .. _geojson: https://github.com/jazzband/geojson
diff --git a/docs/examples/pyproject-toml.rst b/docs/examples/pyproject-toml.rst
@@ -23,7 +23,7 @@ file. This includes full schema definitions for all fields in the
 ``tool``.
 
 The full example source can be found `here
-<https://github.com/jcrist/msgspec/tree/main/examples/pyproject-toml>`__.
+<https://github.com/msgspec/msgspec/tree/main/examples/pyproject-toml>`__.
 
 .. literalinclude:: ../../examples/pyproject-toml/pyproject.py
     :language: python

diff --git a/docs/index.rst b/docs/index.rst
@@ -99,7 +99,7 @@ Used By
 -------
 
 ``msgspec`` is used by many organizations and `open source projects
-<https://github.com/jcrist/msgspec/network/dependents>`__, here we highlight a
+<https://github.com/msgspec/msgspec/network/dependents>`__, here we highlight a
 few:
 
 .. grid:: 2 2 4 4

diff --git a/docs/inspect.rst b/docs/inspect.rst
@@ -142,7 +142,7 @@ subclass. See the :ref:`API docs <inspect-api>` for a complete list of types.
 For an example of using these functions, you might find our builtin
 :doc:`jsonschema` generator implementation useful - the code for this can be
 found `here
-<https://github.com/jcrist/msgspec/blob/main/src/msgspec/_json_schema.py>`__. In
+<https://github.com/msgspec/msgspec/blob/main/src/msgspec/_json_schema.py>`__. In
 particular, take a look at the large if-else statement in ``_to_schema``.
 
 

diff --git a/docs/install.rst b/docs/install.rst
@@ -72,11 +72,11 @@ Installing from GitHub
 
 If you want wish to use a feature that hasn't been released yet, you may
 install from the `development branch on GitHub
-<https://github.com/jcrist/msgspec>`__ using ``pip``:
+<https://github.com/msgspec/msgspec>`__ using ``pip``:
 
 .. code-block:: shell
 
-    pip install git+https://github.com/jcrist/msgspec.git
+    pip install git+https://github.com/msgspec/msgspec.git
 
 
 .. _YAML: https://yaml.org

diff --git a/docs/supported-types.rst b/docs/supported-types.rst
@@ -1625,5 +1625,5 @@ TOML_ types are decoded to Python types as follows:
 .. _pyright: https://github.com/microsoft/pyright
 .. _generic types:
 .. _user-defined generic types: https://docs.python.org/3/library/typing.html#user-defined-generic-types
-.. _open an issue: https://github.com/jcrist/msgspec/issues>
+.. _open an issue: https://github.com/msgspec/msgspec/issues>
 .. _ISO 8601 duration strings: https://en.wikipedia.org/wiki/ISO_8601#Durations
diff --git a/pyproject.toml b/pyproject.toml
@@ -50,9 +50,9 @@ yaml = [
 ]
 
 [project.urls]
-Homepage = "https://jcristharif.com/msgspec/"
-"Issue Tracker" = "https://github.com/jcrist/msgspec/issues"
-Source = "https://github.com/jcrist/msgspec"
+Homepage = "https://msgspec.dev/"
+"Issue Tracker" = "https://github.com/msgspec/msgspec/issues"
+Source = "https://github.com/msgspec/msgspec"
 
 [dependency-groups]
 bench = [

diff --git a/scripts/release_github.py b/scripts/release_github.py
@@ -27,7 +27,7 @@ def main():
         }
     )
 
-    url = f"https://github.com/jcrist/msgspec/releases/new?{params}"
+    url = f"https://github.com/msgspec/msgspec/releases/new?{params}"
     webbrowser.open_new_tab(url)
 
 

diff --git a/setup.py b/setup.py
@@ -16,7 +16,7 @@
     `msgspec` currently doesn't support 32-bit Python windows builds. If
     this is important for your use case, please comment on this issue:
 
-    https://github.com/jcrist/msgspec/issues/845
+    https://github.com/msgspec/msgspec/issues/845
     ====================================================================
     """
     print(textwrap.dedent(error))

diff --git a/tests/unit/test_integration.py b/tests/unit/test_integration.py
@@ -15,7 +15,7 @@ def proto(request):
 
 
 def test_decode_naive_datetime(proto):
-    """See https://github.com/jcrist/msgspec/issues/408"""
+    """See https://github.com/msgspec/msgspec/issues/408"""
     dt = datetime.datetime(2001, 2, 3, 4, 5, 6, 7)
     msg = proto.encode(dt)
 
@@ -27,7 +27,7 @@ def test_decode_naive_datetime(proto):
 
 
 def test_decode_naive_time(proto):
-    """See https://github.com/jcrist/msgspec/issues/408"""
+    """See https://github.com/msgspec/msgspec/issues/408"""
     dt = datetime.time(12, 20)
     msg = proto.encode(dt)
 

diff --git a/tests/unit/test_raw.py b/tests/unit/test_raw.py
@@ -72,7 +72,7 @@ def test_raw_copy():
 
 
 def test_raw_copy_doesnt_leak():
-    """See https://github.com/jcrist/msgspec/pull/709"""
+    """See https://github.com/msgspec/msgspec/pull/709"""
     script = textwrap.dedent(
         """
         import msgspec

diff --git a/tests/unit/test_struct_meta.py b/tests/unit/test_struct_meta.py
@@ -631,7 +631,7 @@ def foo(self) -> int:
 
 def test_struct_meta_pattern_ref_leak():
     # ensure that we're not keeping around references to re.Pattern longer than necessary
-    # see https://github.com/jcrist/msgspec/pull/899 for details
+    # see https://github.com/msgspec/msgspec/pull/899 for details
 
     # clear cache to get a baseline
     re.purge()
-Original file line number
+Diff line change
@@ Expand Up / @@ -27,7 +27,7 @@ def main(): @@
             }
         )
-        url = f"https://github.com/jcrist/msgspec/releases/new?{params}"
+        url = f"https://github.com/msgspec/msgspec/releases/new?{params}"
         webbrowser.open_new_tab(url)
@@ Expand Down @@