Fix build error on some system (Fedora 32). (Tatsuo Ishii)

Doc: Add note about if_up_cmd and if_down_cmd command. (Bo Peng)

Fix pgpool ssl front end accept all ciphers. (bug 608) (Muhammad Usama)

Downgrade too verbose authentication logs. (Tatsuo Ishii)

Fix unnecessary checks. (Tatsuo Ishii)

Doc: Fix typo. (Tatsuo Ishii)

Fix for segmentation fault in PCP process. (bug 598) (Muhammad Usama)

Fix a warning message is never output in watchdog. (Tatsuo Ishii)

Doc: Fix typo. (Tatsuo Ishii, Bo Peng)

Fix Pgpool-II hangs when an Execute message is issued right after Sync message and query cache hits. (Tatsuo Ishii)

Fix problems in watchdog source code processing json data. (bug 596) (Tatsuo Ishii)

Fix SCRAM auth handling bug. (bug 595) (Tatsuo Ishii)

Fix possible data inconsistency in native replication mode. (Tatsuo Ishii)

Fix watchdog ping probes fail with long hostnames due to small buffer. (bug 516) (Bo Peng)

Doc: Enhance documents. (Tatsuo Ishii)

Fix "last status change" timestamp is not set properly. (Tatsuo Ishii)