DOC: pre-release notes

Author: tangkong

docs/source/upcoming_release_notes/394-perf_defer_preset_loading.rst

@@ -0,0 +1,22 @@
+394 perf_defer_preset_loading
+#############################
+
+API Changes
+-----------
+- N/A
+
+Features
+--------
+- N/A
+
+Bugfixes
+--------
+- N/A
+
+Maintenance
+-----------
+- Enable the deferral of preset loading to avoid a pre-mature performance hit
+
+Contributors
+------------
+- tangkong