Merge remote-tracking branch 'origin/pr/1551' into development
diff --git a/ChangeLog b/ChangeLog
index 2789704..122cd2c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -23,6 +23,9 @@
* Add support for alternative CSR headers, as used by Microsoft and defined
in RFC 7468. Found by Michael Ernst. Fixes #767.
* Correct many misspellings. Fixed by MisterDA #2371.
+ * Provide an abstraction of vsnprintf to allow alternative implementations
+ for platforms that don't provide it. Based on contributions by Joris Aerts
+ and Nathaniel Wesley Filardo.
= mbed TLS 2.16.0 branch released 2018-12-21