NEWS: add item about built-in thread cache
This change may impact design of future programs and obviate thread pools in many cases, so it's worth a mention. Anyways, this seems stable since r63499 [Feature #14757]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63516 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
NEWS: add item about built-in thread cache
This change may impact design of future programs and obviate
thread pools in many cases, so it's worth a mention.
Anyways, this seems stable since r63499 [Feature #14757]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63516 b2dd03c8-39d4-4d8f-98ff-823fe69b080e