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+title: Version 2.3.1 Released
+author: Jan Wagner
+date: 2021-04-11
+---
+
+The Monitoring Plugins Development Team is proud to announce version 2.3.1 of
+the Monitoring Plugins! This release comes with various fixes provided by more
+than ten contributors, mostly for `check_curl`.  Many thanks to all of you!
+<end-of-teaser>
+
+For the list of notable changes in this release, see below.
+
+You can get the tarball from our [download page][download].
+
+## Enhancements
+* `check_curl`: Add an option to verify the peer certificate & host using the system CA's
+
+## Fixes
+* `check_icmp`: fix simple typo, conspicuosly -> conspicuously
+* `check_curl`: fixed help, usage and errors for TLS 1.3
+* `check_curl`: fixed a potential buffer overflow in url buffer
+* `check_dns`: split multiple IP addresses passed in one `-a` argument
+* `check_curl`: added string_statuscode function for printing HTTP/1.1 and HTTP/2 correctly
+* `check_curl`: fix crash if http header contains leading spaces
+* `check_curl`: display a specific human-readable error message where possible
+* `check_pgsql`: Using snprintf which honors the buffers size and guarantees null termination.
+* `check_snmp`: put the "c" (to mark a counter) after the perfdata value
+* `check_http`: Increase regexp limit
+* `check_http`: make `-C` obvious
+* `check_curl`: Increase regexp limit (to 1024 as in `check_http`)
+* `check_curl`: make `-C` obvious (from `check_http`)
+
+[download]: /download.html
+
+<!--% # vim:set filetype=markdown textwidth=78 joinspaces expandtab: # %-->