Add upgrade note

sonata-project · Aug 10, 2022 · d940630 · d940630
1 parent 42d93bc
commit d940630
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diff --git a/UPGRADE-4.0.md b/UPGRADE-4.0.md
@@ -31,3 +31,10 @@ The following routes were changed:
 * Remove non working `/view` route for Block Admin
 * Rename compose preview url for Blocks from `compose_preview` to `compose-preview`
 * Rename shared block route name from `block/shared` to `block_shared`
+
+## Remove unused code
+
+The following code has been removed since it is not used:
+
+* `Sonata\PageBundle\Controller\AjaxController`
+* `Sonata\PageBundle\Controller\BlockController`