3.0.0: Mention that a database is still needed for account patch reviews
Change-Id: Ic55fd73a928f9086cdd1192c1ea0f1e72b509e8f
diff --git a/pages/site/releases/3.0.md b/pages/site/releases/3.0.md
index cc08204..5ee9024 100644
--- a/pages/site/releases/3.0.md
+++ b/pages/site/releases/3.0.md
@@ -15,7 +15,12 @@
* Removal of ReviewDb
The database backend for changes, accounts, groups and projects ("ReviewDb") is
- removed and all metadata is now stored in git ("NoteDb").
+ removed and this metadata is now stored in git ("NoteDb").
+
+ A database is still needed for account patch reviews, which stores the 'reviewed'
+ flag for files in a review per user. The default backend is H2, but MySQL,
+ PostgreSQL and MariaDb are also supported. It is also possible for plugins to
+ provide another backend by implementing the `AccountPatchReviewStore` interface.
## Important Notes