From eb39b3b6a1759ddd9e7c14d79c917bb09532f8fc Mon Sep 17 00:00:00 2001
From: richvdh <richvdh@users.noreply.github.com>
Date: Wed, 11 Aug 2021 14:35:23 +0000
Subject: deploy: 339c3918e1301d53b998c98282137b12d9d16c45

---
 develop/upgrade.html | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'develop/upgrade.html')

diff --git a/develop/upgrade.html b/develop/upgrade.html
index b76dbcc389..26fb05eed9 100644
--- a/develop/upgrade.html
+++ b/develop/upgrade.html
@@ -260,6 +260,30 @@ dpkg -i matrix-synapse-py3_1.3.0+stretch1_amd64.deb
 </code></pre>
 </li>
 </ul>
+<h1 id="upgrading-to-v1xx0"><a class="header" href="#upgrading-to-v1xx0">Upgrading to v1.xx.0</a></h1>
+<h2 id="add-support-for-routing-outbound-http-requests-via-a-proxy-for-federation"><a class="header" href="#add-support-for-routing-outbound-http-requests-via-a-proxy-for-federation">Add support for routing outbound HTTP requests via a proxy for federation</a></h2>
+<p>Since Synapse 1.6.0 (2019-11-26) you can set a proxy for outbound HTTP requests via
+http_proxy/https_proxy environment variables. This proxy was set for:</p>
+<ul>
+<li>push</li>
+<li>url previews</li>
+<li>phone-home stats</li>
+<li>recaptcha validation</li>
+<li>CAS auth validation</li>
+<li>OpenID Connect</li>
+<li>Federation (checking public key revocation)</li>
+</ul>
+<p>In this version we have added support for outbound requests for:</p>
+<ul>
+<li>Outbound federation</li>
+<li>Downloading remote media</li>
+<li>Fetching public keys of other servers</li>
+</ul>
+<p>These requests use the same proxy configuration. If you have a proxy configuration we
+recommend to verify the configuration. It may be necessary to adjust the <code>no_proxy</code>
+environment variable.</p>
+<p>See <a href="setup/forward_proxy.html">using a forward proxy with Synapse documentation</a> for
+details.</p>
 <h1 id="upgrading-to-v1390"><a class="header" href="#upgrading-to-v1390">Upgrading to v1.39.0</a></h1>
 <h2 id="deprecation-of-the-current-third-party-rules-module-interface"><a class="header" href="#deprecation-of-the-current-third-party-rules-module-interface">Deprecation of the current third-party rules module interface</a></h2>
 <p>The current third-party rules module interface is deprecated in favour of the new generic
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