v5.0.9: consolidate news.

Signed-off-by: Tomislav Janjusic <tomislavj@nvidia.com>

Author: janjust

docs/release-notes/changelog/v5.0.x.rst

@@ -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``.
@@ -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