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25 changes: 25 additions & 0 deletions docs/news/news-v4.1.x.rst
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,31 @@ Open MPI v4.1.x series
This file contains all the NEWS updates for the Open MPI v4.1.x
series, in reverse chronological order.

4.1.4 -- May, 2022
------------------
:Date: May, 2022

- Fix possible length integer overflow in numerous non-blocking collective
operations.
- Fix segmentation fault in UCX if MPI Tool interface is finalized before
``MPI_Init`` is called.
- Remove ``/usr/bin/python`` dependency in configure.
- Fix OMPIO issue with long double etypes.
- Update treematch topology component to fix numerous correctness issues.
- Fix memory leak in UCX MCA parameter registration.
- Fix long operation closing file descriptors on non-Linux systems that
can appear as a hang to users.
- Fix for attribute handling on GCC 11 due to pointer aliasing.
- Fix multithreaded race in UCX PML's datatype handling.
- Fix a correctness issue in CUDA Reduce algorithm.
- Fix compilation issue with CUDA GPUDirect RDMA support.
- Fix to make ``shmem_calloc(..., 0)`` conform to the OpenSHMEM
specification.
- Add UCC collectives component.
- Fix divide by zero issue in OMPI IO component.
- Fix compile issue with libnl when not in standard search locations.


Open MPI version 4.1.3
----------------------
:Date: March, 2022
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