The next major release will be 5.0.

4.5 was a placeholder release number in case a major release was required
prior to the release of Pg12.

repmgr--4.4--5.0.sql

@@ -0,0 +1,5 @@
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "CREATE EXTENSION repmgr" to load this file. \quit
+
+ALTER FUNCTION set_repmgrd_pid(INT, TEXT) RETURNS NULL ON NULL INPUT;
+