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Clarified that the failover steps apply to a specific PostgreSQL subscriber and added guidance for verifying replication slot synchronization during planned failover. Additionally, corrected the standby query to avoid false positives by checking invalidation_reason IS NULL instead of conflicting. Author: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com> Author: Shveta Malik <shveta.malik@gmail.com> Backpatch-through: 17, where it was introduced Discussion: https://www.postgresql.org/message-id/CAExHW5uiZ-fF159=jwBwPMbjZeZDtmcTbN+hd4mrURLCg2uzJg@mail.gmail.com