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authorAndrew Morgan <andrew@amorgan.xyz>2021-04-20 17:11:36 +0100
committerAndrew Morgan <andrew@amorgan.xyz>2021-04-20 17:11:36 +0100
commitb8c5f6fddbc8c3203c2841500767ef2fc9dc6ff6 (patch)
treec2d53574cc3dba59f751863982c634f5a28f01d2
parentFurther tweaking on gpg signing key notice (diff)
downloadsynapse-github/release-v1.32.0.tar.xz
Mention Prometheus metrics regression in v1.32.0 github/release-v1.32.0 release-v1.32.0
-rw-r--r--CHANGES.md6
-rw-r--r--UPGRADE.rst9
2 files changed, 15 insertions, 0 deletions
diff --git a/CHANGES.md b/CHANGES.md
index 170d1e447d..7713328f12 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,12 @@
 Synapse 1.32.0 (2021-04-20)
 ===========================
 
+**Note:** This release introduces [a regression](https://githubcom/matrix-org/synapse/issues/9853)
+that can overwhelm connected Prometheus instances. This issue was not present in
+Synapse v1.32.0rc1. It is recommended not to update to this release. If you have
+upgraded to v1.32.0 already, please downgrade to v1.31.0. This issue will be
+resolved in a subsequent release version shortly.
+
 **Note:** This release requires Python 3.6+ and Postgres 9.6+ or SQLite 3.22+.
 
 This release removes the deprecated `GET /_synapse/admin/v1/users/<user_id>` admin API. Please use the [v2 API](https://github.com/matrix-org/synapse/blob/develop/docs/admin_api/user_admin_api.rst#query-user-account) instead, which has improved capabilities.
diff --git a/UPGRADE.rst b/UPGRADE.rst
index 7a9b869055..c8dce62227 100644
--- a/UPGRADE.rst
+++ b/UPGRADE.rst
@@ -88,6 +88,15 @@ for example:
 Upgrading to v1.32.0
 ====================
 
+Regression causing connected Prometheus instances to become overwhelmed
+-----------------------------------------------------------------------
+
+This release introduces `a regression <https://githubcom/matrix-org/synapse/issues/9853>`_
+that can overwhelm connected Prometheus instances. This issue was not present in
+Synapse v1.32.0rc1. It is recommended not to update to this release. If you have
+upgraded to v1.32.0 already, please downgrade to v1.31.0. This issue will be
+resolved in a subsequent release version shortly.
+
 Dropping support for old Python, Postgres and SQLite versions
 -------------------------------------------------------------