ko1	2018-10-31 07:24:35 +0900 (Wed, 31 Oct 2018)

  New Revision: 65457

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65457

  Log:
    update NEWS about theap

  Modified files:
    trunk/NEWS
Index: NEWS
===================================================================
--- NEWS	(revision 65456)
+++ NEWS	(revision 65457)
@@ -454,6 +454,11 @@ sufficient information, see the ChangeLo https://github.com/ruby/ruby/blob/trunk/NEWS#L454
 
 * timer thread is eliminated for platforms with POSIX timers [Misc #14937]
 
+* Transient Heap (theap) is supported. [Bug #14858] [Feature #14989]
+  theap is managed heap for short-living memory objects. For example,
+  making small and short-living Hash object is x2 faster. With rdoc benchmark,
+  we maesured 6-7% performance improvement.
+
 === Miscellaneous changes
 
 * On macOS, shared libraries no longer include a full version number of Ruby

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