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-rw-r--r--ChangeLog.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/ChangeLog.rst b/ChangeLog.rst
index 8bc80e6..806007e 100644
--- a/ChangeLog.rst
+++ b/ChangeLog.rst
@@ -17,6 +17,11 @@ Important changes
* ``PackValueError`` and ``PackOverflowError`` are also removed. You need to catch
normal ``ValueError`` and ``OverflowError``. (#323, #233)
+* Unpacker has ``strict_map_key`` option now. When it is true, only bytes and str
+ (unicode in Python 2) are allowed for map keys. It is recommended to avoid
+ hashdos. Default value of this option is False for backward compatibility reason.
+ But it will be changed True in 1.0. (#296, #334)
+
Other changes
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