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-rw-r--r--doc/NEWS-2.2.05
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/NEWS-2.2.0 b/doc/NEWS-2.2.0
index b4ef080249..70ccddf32d 100644
--- a/doc/NEWS-2.2.0
+++ b/doc/NEWS-2.2.0
@@ -105,6 +105,11 @@ with all sufficient information, see the ChangeLog file.
* Rename GC.stat entries. [Feature #9924]
See https://docs.google.com/spreadsheets/d/11Ua4uBr6o0k-nORrZLEIIUkHJ9JRzRR0NyZfrhEEnc8/edit?usp=sharing
+* Hash
+ * incompatible changes:
+ * Change overriding policy for duplicated key. [Bug #10315]
+ { **hash1, **hash2 } contains values of hash2 for duplicated keys.
+
* IO
* incompatible changes:
* When flushing file IO with IO#flush, you cannot assume that the metadata