From f7768f62cbf7579a1a91e694f83d47d275373369 Mon Sep 17 00:00:00 2001
From: Sean Quah <8349537+squahtx@users.noreply.github.com>
Date: Mon, 27 Sep 2021 12:55:27 +0100
Subject: Avoid storing URL cache files in storage providers (#10911)

URL cache files are short-lived and it does not make sense to offload
them (eg. to the cloud) or back them up.
---
 docs/upgrade.md | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'docs')

diff --git a/docs/upgrade.md b/docs/upgrade.md
index f9b832cb3f..a8221372df 100644
--- a/docs/upgrade.md
+++ b/docs/upgrade.md
@@ -85,6 +85,13 @@ process, for example:
     dpkg -i matrix-synapse-py3_1.3.0+stretch1_amd64.deb
     ```
 
+# Upgrading to v1.44.0
+
+## The URL preview cache is no longer mirrored to storage providers
+The `url_cache/` and `url_cache_thumbnails/` directories in the media store are
+no longer mirrored to storage providers. These two directories can be safely
+deleted from any configured storage providers to reclaim space.
+
 # Upgrading to v1.43.0
 
 ## The spaces summary APIs can now be handled by workers
-- 
cgit 1.4.1