Hi, I have noticed that attempting to use pg_basebackup from HEAD leads to failures when using it with backend versions from 12 and older: $ pg_basebackup -D hoge pg_basebackup: error: backup manifests are not supported by server version 12beta2 pg_basebackup: removing data directory "hoge"
This is a bit backwards with what we did in the past to maintain compatibility silently when possible, for example look at the handling of temporary replication slots. Instead of an error when means to force users to have to specify --no-manifest in this case, shouldn't we silently disable the generation of the backup manifest? We know that this option won't work on older server versions anyway. Thanks, -- Michael
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