Link to the 9.0 release notes

Author: roji

conceptual/EFCore.PG/mapping/enum.md

@@ -23,7 +23,7 @@ builder.Services.AddDbContext<MyContext>(options => options.UseNpgsql(
 
 This configures all aspects of Npgsql to use your `Mood` enum - both at the EF and the lower-level Npgsql layer - and ensures that the enum is created in the database in EF migrations.
 
-### [With an external NpgsqlDataSource](#tab/with-datasource)
+### [With an external NpgsqlDataSource](#tab/with-external-datasource)
 
 If you're creating an external NpgsqlDataSource and passing it to `UseNpgsql`, you must make sure to map your enum on that data independently of the EF-level setup:
 

conceptual/EFCore.PG/release-notes/9.0.md

@@ -2,6 +2,9 @@
 
 Npgsql.EntityFrameworkCore.PostgreSQL version 9.0 is under development; previews are available on [nuget.org](https://www.nuget.org/packages/Npgsql.EntityFrameworkCore.PostgreSQL).
 
+> [!NOTE]
+> The following release notes and breaking changes are partial. More will be added nearer to the 9.0 final release.
+
 ## Improved configuration for enums and plugins
 
 Previously, configuration around enums and plugins (NodaTime, NetTopologySuite) was complicated, requiring multiple setup actions at both the EF and the lower-level Npgsql layers. EF 9.0 improves the configuration story, allowing you to configure enums and plugins via a single EF gesture:

conceptual/EFCore.PG/toc.yml

@@ -2,14 +2,16 @@
   href: index.md
 - name: Release notes
   items:
+  - name: "9.0 (prerelease)"
+    href: release-notes/9.0.md
   - name: "8.0"
     href: release-notes/8.0.md
-  - name: "7.0"
-    href: release-notes/7.0.md
   - name: "6.0"
     href: release-notes/6.0.md
   - name: Out of support
     items:
+    - name: "7.0"
+      href: release-notes/7.0.md
     - name: "5.0"
       href: release-notes/5.0.md
     - name: "3.1"