Prepare release 0.5.1

Author: saidctb

CHANGELOG.md

@@ -7,6 +7,8 @@ release tags add a leading `v` to the package version.
 
 ## Unreleased
 
+## 0.5.1 — 2026-09-27
+
 ### Breaking changes
 
 - Fortran derived-type scalar fields now expose live, writable rank-zero NumPy

CITATION.cff

@@ -11,5 +11,5 @@ authors:
 repository-code: "https://github.com/PyNumLab/prik"
 url: "https://pynumlab.github.io/prik/"
 license: MIT
-version: "0.5.0"
-date-released: "2026-09-13"
+version: "0.5.1"
+date-released: "2026-09-27"

README.md

@@ -171,8 +171,7 @@ provides task-oriented recipes for reshaping the API.
 
 ## Proven on real libraries
 
-PRIK builds and numerically tests eight maintained libraries, not just generated
-wrappers.
+PRIK builds and tests real libraries, not just generated wrappers.
 
 | Project | Native language and PRIK input | Validated surface |
 | --- | --- | --- |
@@ -182,13 +181,15 @@ wrappers.
 | [MINPACK](https://pynumlab.github.io/prik/user/examples/fortran/minpack-wrapper/) | Fortran source/interfaces | 22 nonlinear and least-squares procedures, including callbacks |
 | [BSPLINE-FORTRAN](https://pynumlab.github.io/prik/user/examples/fortran/bspline-wrapper/) | Fortran source/interfaces | 15 interpolation routines and modern Fortran classes |
 | [PRIMA](https://pynumlab.github.io/prik/user/examples/fortran/prima-wrapper/) | Fortran source and generated contract; link static archive | 5 derivative-free solvers with Python callbacks |
+| [Open MPI `mpi_f08`](https://pynumlab.github.io/prik/user/tutorials/openmpi-f08/) | Fortran source and generated contract; link installed Open MPI library | Two-rank send, receive, broadcast, and reduction program |
 | [libm](https://pynumlab.github.io/prik/user/examples/c/libm-wrapper/) | C declarations from `<math.h>`; link compiled platform libm | 60 target-generated ISO C99 math functions |
 | [TA-Lib](https://pynumlab.github.io/prik/user/examples/c/ta-lib-wrapper/) | C declarations from `ta_libc.h`; link compiled `libta-lib` | All 322 double and float-input indicators over NumPy arrays, checked against TA-Lib's reference results |
 
-The **Real Libraries Portability** workflow runs all eight on Linux x86-64,
-Linux ARM64, macOS Intel, and macOS ARM64 with Python 3.12. See the [Examples
-Gallery](https://pynumlab.github.io/prik/user/examples/#tested-platforms) for the
-compiler matrix; each project guide also records its own tested platforms.
+The **Real Libraries Portability** workflow runs the eight [Examples
+Gallery](https://pynumlab.github.io/prik/user/examples/#tested-platforms)
+projects on Linux x86-64, Linux ARM64, macOS Intel, and macOS ARM64 with Python
+3.12. Open MPI has its own integration workflow on Linux and macOS. Each linked
+guide records its build steps and tested platforms.
 
 ## Key Features
 

docs/index.md

@@ -294,17 +294,17 @@ its `.pyi` contract. It needs no installation.
 
 ## Proven on real libraries
 
-The maintained example suite covers six Fortran libraries—
+The Fortran library workflows cover
 [BLAS](user/examples/fortran/blas-wrapper.md),
 [LAPACK](user/examples/fortran/lapack-wrapper.md),
 [FFTPACK](user/examples/fortran/fftpack-wrapper.md),
 [MINPACK](user/examples/fortran/minpack-wrapper.md),
-[BSPLINE-FORTRAN](user/examples/fortran/bspline-wrapper.md), and
-[PRIMA](user/examples/fortran/prima-wrapper.md)—and two C
-libraries: [libm](user/examples/c/libm-wrapper.md) and
-[TA-Lib](user/examples/c/ta-lib-wrapper.md). Each project has a complete build
-and numerical validation workflow, including its tested platforms and
-toolchains, in the [Examples Gallery](user/examples/index.md).
+[BSPLINE-FORTRAN](user/examples/fortran/bspline-wrapper.md),
+[PRIMA](user/examples/fortran/prima-wrapper.md), and
+[Open MPI `mpi_f08`](user/tutorials/openmpi-f08.md). The C library workflows
+cover [libm](user/examples/c/libm-wrapper.md) and
+[TA-Lib](user/examples/c/ta-lib-wrapper.md). Each linked page provides its
+build and validation steps.
 
 ## Measured against NumPy's f2py
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "prik"
-version = "0.5.0"
+version = "0.5.1"
 description = "PRIK generates native Python bindings from Fortran projects, producing importable extensions and editable .pyi contracts for Pythonic APIs."
 readme = "README.md"
 authors = [