NEWS: note parallel test suite

diff --git a/NEWS b/NEWS
index 551862222abe9f2c85f2b41428280eaa3feb5eb6..8f250ab9faa7084b7e8fa430947e9e9d72b7c4b0 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -58,6 +58,13 @@ Support for GMime 2.6 is removed. The minimum supported version of
 GMime is now 3.0.3.  GMime also needs to have been compiled with
 cryptography support.
 
 GMime is now 3.0.3.  GMime also needs to have been compiled with
 cryptography support.
 

+Test Suite
+----------
+
+If either GNU parallel or moreutils parallel is installed, the tests
+in the test suite will now be run in parallel (one per available
+core).  This can be disabled with NOTMUCH_TEST_SERIALIZE=1.
+

 Notmuch 0.28.4 (2019-05-05)
 ===========================
 
 Notmuch 0.28.4 (2019-05-05)
 ===========================