Make static selections of large index groups work.

[alexxy/gromacs.git] / docs / release-notes / 2021 / 2021.4.rst

diff --git a/docs/release-notes/2021/2021.4.rst b/docs/release-notes/2021/2021.4.rst
index 69a9b7cabe8f7cae306c6821464b093559d8c994..8d44aea03978d6686de7ffc76e984696da8d22f3 100644 (file)
--- a/docs/release-notes/2021/2021.4.rst
+++ b/docs/release-notes/2021/2021.4.rst
@@ -24,6 +24,19 @@ grompp now prints a note again when combining center of mass motion removal and
 
 :issue:`4128`
 
+Static selections of large index groups now work
+""""""""""""""""""""""""""""""""""""""""""""""""
+
+Commands like ``gmx distance -f traj.xtc -n ndx.ndx -select "group
+\"Contacts\""`` only worked if the size of ``Contacts`` was less than
+the number of atoms. This restriction was a bug, and has been fixed so
+that ``Contacts`` make take any size.
+
+Other similar uses of static selections derived from index groups will
+also now work.
+
+:issue:`4148`
+
 Fixes that affect portability
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^