Getting ready for release 4.0.0

Author: lshaw8317

ANNOUNCE.rst

@@ -1,9 +1,11 @@
-Announcing Python-Blosc2 3.12.2
+Announcing Python-Blosc2 4.0.0
 ===============================
 
-This is a patch release where we hotfix the WASM wheel upload to a separate repo to avoid history bloat.
+This is major version release where we have accelerated computation via multithreading using the
+[miniexpr library](https://github.com/Blosc/miniexpr/tree/main). We have also changed the wheel layout to comply with PEP 427
+and added support for the [blosc2-openzl plugin](https://github.com/Blosc/blosc2-openzl).
 
-You can think of Python-Blosc2 3.x as an extension of NumPy/numexpr that:
+You can think of Python-Blosc2 4.x as an extension of NumPy/numexpr that:
 
 - Can deal with NDArray compressed objects using first-class codecs & filters.
 - Performs many kind of math expressions, including reductions, indexing...

CMakeLists.txt

@@ -116,7 +116,7 @@ else()
     include(FetchContent)
     FetchContent_Declare(blosc2
         GIT_REPOSITORY https://github.com/Blosc/c-blosc2
-        GIT_TAG bf21f84680542e680fd94fdc05c5a76259df1345
+        GIT_TAG 5b7d426b07e5be328b5accb88444d5e7aeabce53 #v2.23.0
     )
     FetchContent_MakeAvailable(blosc2)
     include_directories("${blosc2_SOURCE_DIR}/include")

RELEASE_NOTES.md

@@ -1,9 +1,10 @@
 # Release notes
 
-## Changes from 4.0.0-b1 to 4.0.0-b2
+## Changes from 4.0.0-b1 to 4.0.0
 
 - On Windows, miniexpr is temporarily disabled for integral outputs and mixed-dtype expressions.
   Set `BLOSC2_ENABLE_MINIEXPR_WINDOWS=1` to override this for testing.
+- Handle thread workers for computation to ensure never exceeds NUMEXPR_MAX_THREADS. Thanks @skmendez!
 
 ## Changes from 3.12.2 to 4.0.0-b1
 

pyproject.toml

@@ -39,7 +39,7 @@ dependencies = [
     "numexpr>=2.14.1; platform_machine != 'wasm32'",
     "requests",
 ]
-version = "4.0.0-b2.dev0"
+version = "4.0.0"
 [project.entry-points."array_api"]
 blosc2 = "blosc2"
 

src/blosc2/version.py

@@ -1,2 +1,2 @@
-__version__ = "4.0.0-b2.dev0"
+__version__ = "4.0.0"
 __array_api_version__ = "2024.12"