Release 3.2.18

pgpool-II 4.0.7 Documentation
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Release Date: 2016-12-26

Fix occasional segfault when query cache is enabled. (Tatsuo Ishii)

Per bug 263.
Do not cancel a query when the query resulted in an error other than in native replication mode. (Tatsuo Ishii)

It was intended to keep the consistency, but there's no point in other than native replication mode.
Do not use random() while generating MD5 salt. (Tatsuo Ishii)

random() should not be used in security related applications. To replace random() , import PostmasterRandom() from PostgreSQL. Also store current time at the start up of Pgpool-II main process for later use.
Don't ignore sync message from frontend when query cache is enabled. (Tatsuo Ishii)