Add changes entry indicating that the OBJ_* calls are now thread safe
@@ -24,6 +24,10 @@ OpenSSL 3.1
### Changes between 3.0 and 3.1 [xx XXX xxxx]
+ * The various OBJ_* functions have been made thread safe.
+
+ *Paul Dale*
+
* CCM8 cipher suites in TLS have been downgraded to security level zero
because they use a short authentication tag which lowers their strength.
