Updated changelog

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f05bbb410b063e404040ca8c9b7a5b657de2db4..f700fcb70fd44c3f8a6e42776db02097b0a26761 100644 (file)
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+3.1.1
+-----
+2020/06/12
+
+- Various documentation fixes.
+- Fixed various compiler warnings.
+- Fixed some integer overflows (16-bit platforms only).
+
+
 3.1.0
 -----
 2020/04/03