Update NEWS

diff --git a/NEWS.txt b/NEWS.txt
index 4780ba345f7f9c7375e3ef8f5469e21647a75612..c5281042e7ec709a686a2e773e44e6ac8c4b5b33 100644 (file)
--- a/NEWS.txt
+++ b/NEWS.txt
@@ -49,6 +49,10 @@ New features and improvements
   due to the cache size being over the limit. The value is shown in the output
   of ``ccache -s''.
 
+- Names of included files are no longer included in the hash of the compiler's
+  preprocessed output. This leads to more potential cache hits when not using
+  the direct mode.
+
 
 Bug fixes
 ~~~~~~~~~