The profileoutput debug logging channel formatting code needs to be updated to work with the changes that have been made to the Profiler's log data.
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} elseif ( $channel === 'profileoutput' ) { // Legacy wfLogProfilingData formatitng $forward = ''; if ( isset( $context['forwarded_for'] )) { $forward = " forwarded for {$context['forwarded_for']}"; } if ( isset( $context['client_ip'] ) ) { $forward .= " client IP {$context['client_ip']}"; } if ( isset( $context['from'] ) ) { $forward .= " from {$context['from']}"; } if ( $forward ) { $forward = "\t(proxied via {$context['proxy']}{$forward})"; } if ( $context['anon'] ) { $forward .= ' anon'; } if ( !isset( $context['url'] ) ) { $context['url'] = 'n/a'; } $log = sprintf( "%s\t%04.3f\t%s%s\n", gmdate( 'YmdHis' ), $context['elapsed'], $context['url'], $forward ); $text = self::formatAsWfDebugLog( $channel, $log . $context['output'], $context );