title: Version 3.0.0-rc3 Released
author: Lorenz Kästle
date: 2026-04-13
---

The Monitoring Plugins Development Team announces version 3.0.0-rc3 of
the Monitoring Plugins!

This is the third (and hopefully last) release candidate for version 3.0.0.

The Changes are mostly fixes added to rc2, with some exceptions (e.g. the
`--proxy` option for check_curl)

### Changes
 * Changes/Features
   * check_real: implement modern output
   * check_radius: Implement modern output
   * OpenBSD: pledge(2) some network-facing checks
   * check_curl: add proxy argument and improve dns cache usage

 * Fixes
   * Fix some minor compiler warnings
   * Refactor check_ide_smart
   * Compute numbers in output summary correctly
   * check_icmp: prevent segfault on OpenBSD
   * check_disk: compare inode thresholds against the correct value
   * check_icmp: Populate progname before np_extra_opts call
   * Make IPv6 unconditional
   * Fix a few typos
   * Make replacing of mismatching single quotes work
   * Fix check_procs -T option
   * check_curl: check certificates and exit before checking for curl_easy_perform result
   * Remove troublesome symbols ("|") from output
   * Update/gnulib 2026 03
   * Handle rc_send_server in libfreeradius
   * Revert check_disk performance data back to used space
   * Add option to override output for check in lib for check_by_ssh
   * common.h: added guard to avoid warning when ENABLE_NLS is not defined
   * check_snmp: fixed falltrhough case in ASN_FLOAT/ASN_DOUBLE
   * removed -Werror=declaration-after-statement from net-snmp-config --cf… by
   * check_curl: Clean up
   * added CHECK_EOF to work around warnings about EOF and -1 being the same


[download]: /download.html

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