Remove support for PostgreSQL 10 (#14392)

Signed-off-by: Sean Quah <seanq@matrix.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/docs/upgrade.md b/docs/upgrade.md

index 41b06cc253..2aa353e496 100644
--- a/docs/upgrade.md
+++ b/docs/upgrade.md
@@ -88,6 +88,16 @@ process, for example:
     dpkg -i matrix-synapse-py3_1.3.0+stretch1_amd64.deb
     ```
 
+# Upgrading to v1.72.0
+
+## Dropping support for PostgreSQL 10
+
+In line with our [deprecation policy](deprecation_policy.md), we've dropped
+support for PostgreSQL 10, as it is no longer supported upstream.
+
+This release of Synapse requires PostgreSQL 11+.
+
+
 # Upgrading to v1.71.0
 
 ## Removal of the `generate_short_term_login_token` module API method