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# 32 Upgrade notes for 6.0.22

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#### Autoregistration table cleared from orphaned records

Previously the `autoreg_host` table was never cleared. Now orphaned records that reference neither an autoregistration event nor an existing host will be removed by the Housekeeper.

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#### PostgreSQL plugin parameters

The following PostgreSQL plugin parameters are no longer mandatory if Plugins.PostgreSQL.Sessions.<SessionName>.TLSConnect is set to *verify_ca* or *verify_full*:

-   Plugins.PostgreSQL.Sessions.<SessionName>.TLSCertFile
-   Plugins.PostgreSQL.Sessions.<SessionName>.TLSKeyFile

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