maint: update NEWS

* NEWS (New features): Mention it.

diff --git a/NEWS b/NEWS
index e476f2b96107f474227b6632ffd979638b8a2edb..80c60e2efa7de3c036511ab7171e362d5030cd96 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -35,6 +35,9 @@ GNU coreutils NEWS                                    -*- outline -*-
 
   chroot now accepts the options --userspec and --groups.
 
+  cp, install, mv: take advantage of btrfs' O(1) copy-on-write feature
+  when both the source and destination are on the same btrfs partition.
+
   sort accepts a new option, --human-numeric-sort (-h): sort numbers
   while honoring human readable suffixes like KiB and MB etc.