From 049202c011f62b59637cc56fc609f6741d9e985e Mon Sep 17 00:00:00 2001
From: Martin Larralde <martin.larralde@ens-paris-saclay.fr>
Date: Wed, 8 Apr 2020 16:35:22 +0200
Subject: [PATCH] Add changelog entry [ci skip]

---
 CHANGELOG.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1879d72d..21606d65 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Added
 * `FromPyObject` implementations for `HashSet` and `BTreeSet`. [#842](https://github.com/PyO3/pyo3/pull/842)
 
+### Fixed
+- Garbage Collector causing random panics when traversing objects that were mutably borrowed. [#855](https://github.com/PyO3/pyo3/pull/855)
+
 ## [0.9.1]
 
 ### Fixed