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Oct 30, 2025
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v5.0.9: consolidate news. #13489

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22 changes: 5 additions & 17 deletions docs/release-notes/changelog/v5.0.x.rst
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Expand Up @@ -4,24 +4,9 @@ Open MPI v5.0.x series
This file contains all the NEWS updates for the Open MPI v5.0.x
series, in reverse chronological order.

Open MPI Version v5.0.9rc2
Open MPI Version v5.0.9
------------------------------
:Date: 10 October 2025

- Internal PMIx and PRRTe versions:
- PMIx (v5.0.9). Repo: ``https://github.com/openpmix/openpmix``. Commit hash: ``b357357c09915779eabd362f6857f61b41680329``.
- PRRTE (v3.0.12). Repo: ``https://github.com/openpmix/prrte``. Commit hash: ``b357357c09915779eabd362f6857f61b41680329``.

- Functionality Enhancements
- UCC: Set node local id for better collective operation performance
- UCX: Set node local id in PML component for improved communication

- Bug Fixes and Minor Enhancements
- CUDA: Fixed CUDA detection when multiple libcuda.so files exist in CUDA install directory

Open MPI Version v5.0.9rc1
------------------------------
:Date: 23 September 2025
:Date: 30 October 2025

- Internal PMIx and PRRTe versions:
- PMIx (v5.0.9). Repo: ``https://github.com/openpmix/openpmix``. Commit hash: ``b357357c09915779eabd362f6857f61b41680329``.
Expand All @@ -32,9 +17,12 @@ Open MPI Version v5.0.9rc1
- OFI: Enhanced accelerator memory support with proper rcache flag handling
- OFI: Added memory monitor export for better memory management
- ROCm: Added missing header for memcpy operations in accelerator component
- UCC: Set node local id for better collective operation performance
- UCX: Set node local id in PML component for improved communication

- Bug Fixes and Minor Enhancements
- PML OB1: Fixed critical bug in MCA_PML_OB1_ADD_ACK_TO_PENDING that could cause memory overruns or allocation failures
- CUDA: Fixed CUDA detection when multiple libcuda.so files exist in CUDA install directory
- Fortran: Fixed off-by-one string copy error in C2F string conversion
- Fortran: Fixed ompi string c2f conversion when Fortran string length is less than C string length
- Threading: Fixed OMPI_MPI_THREAD_LEVEL environment variable handling to allow useful overrides in threaded library use cases
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