Add change log for #4842
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/ChangeLog.d/public_fields.txt b/ChangeLog.d/public_fields.txt
new file mode 100644
index 0000000..ca0706f
--- /dev/null
+++ b/ChangeLog.d/public_fields.txt
@@ -0,0 +1,5 @@
+API changes
+ * Declare a number of structure fields as public: the fields of
+ mbedtls_ecp_curve_info, the fields describing the result of ASN.1 and
+ X.509 parsing, and finally the field fd of mbedtls_net_context on
+ POSIX/Unix-like platforms.
