diff -urNp -x '*.orig' postgresql-12.4.org/src/backend/utils/misc/postgresql.conf.sample postgresql-12.4/src/backend/utils/misc/postgresql.conf.sample
--- postgresql-12.4.org/src/backend/utils/misc/postgresql.conf.sample 2020-08-10 23:15:53.000000000 +0200
+++ postgresql-12.4/src/backend/utils/misc/postgresql.conf.sample 2021-11-09 09:30:59.882648111 +0100
-@@ -416,7 +416,7 @@
+@@ -441,7 +441,7 @@
# - Where to Log -
-#log_destination = 'stderr' # Valid values are combinations of
+log_destination = 'syslog' # Valid values are combinations of
- # stderr, csvlog, syslog, and eventlog,
- # depending on platform. csvlog
- # requires logging_collector to be on.
+ # stderr, csvlog, jsonlog, syslog, and
+ # eventlog, depending on platform.
+ # csvlog and jsonlog require
@@ -463,9 +463,9 @@ log_destination = 'syslog' # Valid valu
# in all cases.