[ruby-cvs:66564] normal:r59385 (trunk): NEWS: add entries for thread_sync.c changes

normal at ruby-lang.org normal at ruby-lang.org
Sat Jul 22 04:06:07 JST 2017

normal	2017-07-22 04:06:07 +0900 (Sat, 22 Jul 2017)

  New Revision: 59385


    NEWS: add entries for thread_sync.c changes
    I'm slightly worried about some external code subclassing
    ConditionVariable, Queue, and SizedQueue and relying on them
    being Structs.  However, they only started being Structs with
    Ruby 2.1, and were implemented in pure Ruby before that; so
    hopefully nobody notices that implementation detail.
    Also, note the Mutex change as it may affect program design
    when space can be saved.
    * NEWS: entries for [Feature #13552] and [Feature #13517]

  Modified files:

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