normal	2018-08-24 04:13:01 +0900 (Fri, 24 Aug 2018)

  New Revision: 64522

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=64522

  Log:
    NEWS: add entries for rb_waitpid and timer-thread [ci skip]
    
    Some of these changes may affect debugging and tracing tools
    
    [Bug #14867] [ruby-core:88199] [Misc #14937]

  Modified files:
    trunk/NEWS
Index: NEWS
===================================================================
--- NEWS	(revision 64521)
+++ NEWS	(revision 64522)
@@ -345,6 +345,8 @@ sufficient information, see the ChangeLo https://github.com/ruby/ruby/blob/trunk/NEWS#L345
       very few optimizations are implemented.  So it's not ready for
       benchmarking Ruby's JIT performance yet. It's known that current JIT
       enablement makes Rails application slower for now.
+    * rb_waitpid reimplemented on Unix-like platforms to maintain
+      compatibility [Bug #14867]
 
 * VM generator script renewal; makes the generated VM more optimized.
   [GH-1779]
@@ -352,6 +354,8 @@ sufficient information, see the ChangeLo https://github.com/ruby/ruby/blob/trunk/NEWS#L354
 * Thread cache enabled for pthreads platforms (for `Thread.new` and
   `Thread.start`).  [Feature #14757]
 
+* timer thread is eliminated for platforms with POSIX timers [Misc #14937]
+
 ### Miscellaneous changes
 
 * On macOS, shared libraries no longer include a full version number of ruby

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