Reimplement constant acceleration groups

[alexxy/gromacs.git] / docs / release-notes / 2022 / major / removed-functionality.rst

diff --git a/docs/release-notes/2022/major/removed-functionality.rst b/docs/release-notes/2022/major/removed-functionality.rst
index 4b1b189f6c7c6b28fb1cbec50d1b5cbb9c49f9e1..f21e37f0c8bd73a731979848ec732883732c23d5 100644 (file)
--- a/docs/release-notes/2022/major/removed-functionality.rst
+++ b/docs/release-notes/2022/major/removed-functionality.rst
@@ -7,3 +7,40 @@ Removed functionality
    Also, please use the syntax :issue:`number` to reference issues on GitLab, without the
    a space between the colon and number!
 
+Removed mdrun-only build configuration
+""""""""""""""""""""""""""""""""""""""
+
+The need for the mdrun-only build of |Gromacs| has expired, as it has
+the same set of dependencies as regular |Gromacs|. It was deprecated
+in GROMACS 2021. Removing it will simplify maintenance, testing,
+documentation, installation, and teaching new users.
+
+:issue:`3808`
+
+Removed support for x86 MIC, ARMv7, Sparc64 HPC-ACE, and IBM VMX SIMD
+"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+These platforms are dead in HPC and so are no longer supported. The
+KNL platform is unaffected by this change.
+
+:issue:`3891`
+
+Removed deprecated environment variables
+""""""""""""""""""""""""""""""""""""""""
+
+The following environment variables were removed after being deprecated
+in favor of better-named alternatives:
+
+* ``GMX_CUDA_NB_ANA_EWALD`` and ``GMX_OCL_NB_ANA_EWALD`` (use ``GMX_GPU_NB_ANA_EWALD``)
+* ``GMX_CUDA_NB_TAB_EWALD`` and ``GMX_OCL_NB_TAB_EWALD`` (use ``GMX_GPU_NB_TAB_EWALD``)
+* ``GMX_CUDA_NB_EWALD_TWINCUT`` and ``GMX_OCL_NB_EWALD_TWINCUT`` (use ``GMX_GPU_NB_EWALD_TWINCUT``)
+
+:issue:`3803`
+
+Removed the ability for gmx wham to read .pdo files
+"""""""""""""""""""""""""""""""""""""""""""""""""""
+
+Files in .pdo format were written by |Gromacs| versions prior to 4.0.
+That is so long ago that being able to read them is no longer
+relevant, so this capability was deprecated in version 2021. If you do
+need to read such files, please use an older version of |Gromacs|.