From 140a35766085bd900e8d9a74e3501abdb66d8a41 Mon Sep 17 00:00:00 2001
From: Christopher Faulet <cfaulet@haproxy.com>
Date: Tue, 22 Mar 2022 09:41:11 +0100
Subject: [PATCH] DOC: config: Explictly add supported MQTT versions

This avoids any ambiguities on supported versions. This patch depends on
129579813 ("MEDIUM: mqtt: support mqtt_is_valid and mqtt_field_value
converters for MQTTv3.1").

It must be backported with the above commit.
---
 doc/configuration.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/configuration.txt b/doc/configuration.txt
index 4a27f8ab5..e75d84b17 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -16976,6 +16976,8 @@ mqtt_is_valid
   CONNECT and CONNACK packet types. CONNECT is the first message sent by the
   client and CONNACK is the first response sent by the server.
 
+  Only MQTT 3.1, 3.1.1 and 5.0 are supported.
+
   Example:
 
       acl data_in_buffer req.len ge 4