The fuzzy REPL was a rendering bug in cb psql 3.4.1, fixed in 3.5.1, so upgrading is the fix. If you need to stay on the old version, the workaround is to simplify your psql PROMPT1 so it renders on a single predictable line, the reporter used \set PROMPT1 '(%n@%M:%>) %`date +%H:%M:%S` [%/] \n%x%# '…
The fuzzy REPL was a rendering bug in cb psql 3.4.1, fixed in 3.5.1, so upgrading is the fix. If you need to stay on the old version, the workaround is to simplify your psql PROMPT1 so it renders on a single predictable line, the reporter used \set PROMPT1 '(%n@%M:%>) %`date +%H:%M:%S` [%/] \n%x%# '…