Add NEWS about coroutine implementation.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66339 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 640a80725f..825a85a8b6 100644
--- a/NEWS
+++ b/NEWS
@@ -48,6 +48,9 @@ sufficient information, see the ChangeLog file or Redmine
 
 * Flip-flop syntax is deprecated. [Feature #5400]
 
+* Native implementation of coroutines to improve performance of Fiber.
+  [Feature #14739]
+
 === Core classes updates (outstanding ones only)
 
 [Array]