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authorDMRobertson <DMRobertson@users.noreply.github.com>2022-07-19 11:45:57 +0000
committerDMRobertson <DMRobertson@users.noreply.github.com>2022-07-19 11:45:57 +0000
commite125d9f3e3043ea4aaf640c48b7628b5aa488bac (patch)
treeb5958026f198ee7b30ecff9d9b48d102b2a64f44 /develop/upgrade.html
parentdeploy: e9ce4d089bbb013f870bbc8d58ec796e8f315eb4 (diff)
downloadsynapse-e125d9f3e3043ea4aaf640c48b7628b5aa488bac.tar.xz
deploy: b9778673587941277e15b067ad39cdf084f7dde5
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@@ -242,6 +242,13 @@ working email server in the <code>email</code> configuration section (including,
 minimum, a <code>notif_from</code> setting.)</p>
 <p>Specifying an <code>email</code> setting under <code>account_threepid_delegates</code> will now cause
 an error at startup.</p>
+<h2 id="changes-to-the-event-replication-streams"><a class="header" href="#changes-to-the-event-replication-streams">Changes to the event replication streams</a></h2>
+<p>Synapse now includes a flag indicating if an event is an outlier when
+replicating it to other workers. This is a forwards- and backwards-incompatible
+change: v1.63 and workers cannot process events replicated by v1.64 workers, and
+vice versa.</p>
+<p>Once all workers are upgraded to v1.64 (or downgraded to v1.63), event
+replication will resume as normal.</p>
 <h1 id="upgrading-to-v1620"><a class="header" href="#upgrading-to-v1620">Upgrading to v1.62.0</a></h1>
 <h2 id="new-signatures-for-spam-checker-callbacks"><a class="header" href="#new-signatures-for-spam-checker-callbacks">New signatures for spam checker callbacks</a></h2>
 <p>As a followup to changes in v1.60.0, the following spam-checker callbacks have changed signature:</p>