Bump mimimum supported version of numpy (#3636)

* Bump mimimum supported version of numpy

* Update changelog entry filename

---------

Co-authored-by: Davis Bennett <davis.v.bennett@gmail.com>

Author: dstansby

.github/workflows/test.yml

@@ -21,20 +21,20 @@ jobs:
     strategy:
       matrix:
         python-version: ['3.11', '3.12', '3.13']
-        numpy-version: ['1.26', '2.2']
+        numpy-version: ['2.0', '2.2']
         dependency-set: ["minimal", "optional"]
         os: ["ubuntu-latest"]
         include:
           - python-version: '3.11'
-            numpy-version: '1.26'
+            numpy-version: '2.0'
             dependency-set: 'optional'
             os: 'macos-latest'
           - python-version: '3.13'
             numpy-version: '2.2'
             dependency-set: 'optional'
             os: 'macos-latest'
           - python-version: '3.11'
-            numpy-version: '1.26'
+            numpy-version: '2.0'
             dependency-set: 'optional'
             os: 'windows-latest'
           - python-version: '3.13'

changes/3636.misc.md

@@ -0,0 +1 @@
+The minimum required version of NumPy is now 2.0.

docs/user-guide/installation.md

@@ -6,7 +6,7 @@ Required dependencies include:
 
 - [Python](https://docs.python.org/3/) (3.11 or later)
 - [packaging](https://packaging.pypa.io) (22.0 or later)
-- [numpy](https://numpy.org) (1.26 or later)
+- [numpy](https://numpy.org) (2.0 or later)
 - [numcodecs](https://numcodecs.readthedocs.io) (0.14 or later)
 - [google-crc32c](https://github.com/googleapis/python-crc32c) (1.5 or later)
 - [typing_extensions](https://typing-extensions.readthedocs.io) (4.9 or later)

pyproject.toml

@@ -33,7 +33,7 @@ requires-python = ">=3.11"
 # If you add a new dependency here, please also add it to .pre-commit-config.yml
 dependencies = [
     'packaging>=22.0',
-    'numpy>=1.26',
+    'numpy>=2.0',
     'numcodecs>=0.14',
     'google-crc32c>=1.5',
     'typing_extensions>=4.12',
@@ -163,7 +163,7 @@ COV_CORE_DATAFILE = ".coverage.eager"
 
 [[tool.hatch.envs.test.matrix]]
 python = ["3.11", "3.12", "3.13"]
-numpy = ["1.26", "2.2"]
+numpy = ["2.0", "2.2"]
 deps = ["minimal", "optional"]
 
 [tool.hatch.envs.test.overrides]
@@ -192,7 +192,7 @@ features = ["test", "gpu"]
 
 [[tool.hatch.envs.gputest.matrix]]
 python = ["3.11", "3.12", "3.13"]
-numpy = ["1.26", "2.2"]
+numpy = ["2.0", "2.2"]
 version = ["minimal"]
 
 [tool.hatch.envs.gputest.scripts]
@@ -234,7 +234,7 @@ python = "3.11"
 dependencies = [
     'zarr[remote]',
     'packaging==22.*',
-    'numpy==1.26.*',
+    'numpy==2.0.*',
     'numcodecs==0.14.*',  # 0.14 needed for zarr3 codecs
     'fsspec==2023.10.0',
     's3fs==2023.10.0',