Update changelog with note about type annotations
closes
@@ -8,6 +8,9 @@ Changes:
* *Backwards-incompatible*: Drop support for webapp2 (:pr:`565`).
+* Add type annotations to `Parser` class, `DelimitedList`, and
+ `DelimitedTuple`. (:issue:`566`)
+
7.0.0b2 (2020-12-01)
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