DOC: quic: specify that connection migration is not supported

Currently haproxy does not support QUIC connection migration. This is
advertized to clients on their connections. Document this in the first
QUIC related paragraph.

This should be backported up to 2.6.

diff --git a/doc/configuration.txt b/doc/configuration.txt
index f4263c84861d608b5651878e54bf2e5c6941d3bf..fa0041f8611a8be82c4e3035c26e05e4ba92c80b 100644 (file)
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -262,7 +262,8 @@ is called "head of line blocking" or "HoL blocking" or sometimes just "HoL".
 HTTP/3 is implemented over QUIC, itself implemented over UDP. QUIC solves the
 head of line blocking at the transport level by means of independently handled
 streams. Indeed, when experiencing loss, an impacted stream does not affect the
-other streams, and all of them can be accessed in parallel.
+other streams, and all of them can be accessed in parallel. QUIC also provides
+connection migration support but currently haproxy does not support it.
 
 By default HAProxy operates in keep-alive mode with regards to persistent
 connections: for each connection it processes each request and response, and