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-rw-r--r--Misc/NEWS3
1 files changed, 3 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 2a52337d73..096dcf5cd9 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@ What's New in Python 2.7 alpha 1
Core and Builtins
-----------------
+- __isinstancecheck__ and __subclasscheck__ are now completely ignored on
+ classic classes and instances.
+
- Issue #5994: the marshal module now has docstrings.
- Issue #5981: Fix three minor inf/nan issues in float.fromhex: