Add newsfragment

python-trio · Jul 18, 2021 · e48d638 · e48d638
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diff --git a/newsfragments/2063.bugfix.rst b/newsfragments/2063.bugfix.rst
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+Trio now avoids creating cyclic garbage when a `MultiError` is generated and filtered,
+including invisibly within the cancellation system.  This means errors raised
+through nurseries and cancel scopes should result in less GC latency.