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Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 12 |
1 files changed, 9 insertions, 3 deletions
@@ -68,9 +68,15 @@ with all sufficient information, see the ChangeLog file or Redmine * Add an into option. [Feature #11191] -=== Stdlib compatibility issues (excluding feature bug fixes) - -=== Built-in global variables compatibility issues +=== Compatibility issues (excluding feature bug fixes) + +* Array#sum is implemented. Ruby itself has no compatibility problem + because Ruby didn't have sum method for arrays before Ruby 2.4. + However many third party gems, activesupport, facets, simple_stats, etc, + defines sum method. These implementations are mostly compatible but + there are subtle differences. + Ruby's sum method should be mostly compatible but it is impossible to + be perfectly compatible with all of them. === C API updates |