This file documents the major additions and syntax changes between releases. 1.4 IPv6 support in check_ping, check_by_ssh, check_http, check_ldap, check_smtp, check_tcp Internationalisation support Performance data added (not all plugins yet) check_vsz and check_rss deprecated - functionality moved into check_procs check_swap % thresholds changed to measure amount free, instead of amount used check_disk syntax changes for -p check_procs -C expects no path for the command name