2016-12-26 07:00:02 -05:00
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# -*- rdoc -*-
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= NEWS for Ruby 2.5.0
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This document is a list of user visible feature changes made between
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releases except for bug fixes.
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Note that each entry is kept so brief that no reason behind or
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reference information is supplied with. For a full list of changes
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with all sufficient information, see the ChangeLog file or Redmine
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(e.g. <tt>https://bugs.ruby-lang.org/issues/$FEATURE_OR_BUG_NUMBER</tt>)
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== Changes since the 2.4.0 release
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=== Language changes
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2017-01-01 04:07:56 -05:00
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* Top-level constant look-up is removed. [Feature #11547]
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2017-01-19 04:54:58 -05:00
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* rescue/else/ensure are allowed inside do/end blocks. [Feature #12906]
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2016-12-26 07:00:02 -05:00
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=== Core classes updates (outstanding ones only)
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2017-02-26 19:53:26 -05:00
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* Integer
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* Integer.sqrt [Feature #13219]
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2017-02-11 10:08:33 -05:00
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* Regexp
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* Update Onigmo 6.1.1.
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* Support absent operator https://github.com/k-takata/Onigmo/issues/82
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2017-02-22 02:16:13 -05:00
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* Thread
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* Thread#fetch [Feature #13009]
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2017-02-24 21:31:03 -05:00
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* String
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* String#-@ deduplicates unfrozen strings. Already-frozen
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strings remain unchanged for compatibility. [Feature #13077]
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2017-03-16 19:17:14 -04:00
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* -"literal" (String#-@) optimized to return the same object
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2017-03-26 06:21:45 -04:00
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(same as "literal".freeze in Ruby 2.1+) [Feature #13295]
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2017-02-24 21:31:03 -05:00
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2016-12-26 07:00:02 -05:00
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=== Stdlib updates (outstanding ones only)
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=== Compatibility issues (excluding feature bug fixes)
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2017-02-27 08:41:38 -05:00
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* Random.raw_seed renamed to become Random.urandom. It is now
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applicable to non-seeding purposes due to [Bug #9569].
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2016-12-26 07:00:02 -05:00
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=== Stdlib compatibility issues (excluding feature bug fixes)
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=== C API updates
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=== Supported platform changes
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=== Implementation improvements
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2017-01-21 23:02:42 -05:00
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* (This might not be a "user visible feature change" but) Hash class's
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hash function is now SipHash13. [Feature #13017]
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2017-01-21 23:14:21 -05:00
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* SecureRandom now prefers OS-provided sources than OpenSSL. [Bug #9569]
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2016-12-26 07:00:02 -05:00
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=== Miscellaneous changes
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