diff --git a/.changeset/olive-cars-rescue.md b/.changeset/olive-cars-rescue.md
new file mode 100644
index 0000000000..95728eb45e
--- /dev/null
+++ b/.changeset/olive-cars-rescue.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-search': patch
+---
+
+Create an experimental search plugin that is compatible with declarative integration system.
diff --git a/.changeset/purple-forks-fetch.md b/.changeset/purple-forks-fetch.md
new file mode 100644
index 0000000000..022fc32e71
--- /dev/null
+++ b/.changeset/purple-forks-fetch.md
@@ -0,0 +1,5 @@
+---
+'@backstage/frontend-app-api': patch
+---
+
+Register default api implementations when creating declarative integrated apps.
diff --git a/.changeset/tasty-avocados-hope.md b/.changeset/tasty-avocados-hope.md
new file mode 100644
index 0000000000..c5bea6a79c
--- /dev/null
+++ b/.changeset/tasty-avocados-hope.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog': patch
+---
+
+Migrate catalog api to declarative integration system.
diff --git a/.changeset/tough-camels-enjoy.md b/.changeset/tough-camels-enjoy.md
new file mode 100644
index 0000000000..07422e1b1b
--- /dev/null
+++ b/.changeset/tough-camels-enjoy.md
@@ -0,0 +1,5 @@
+---
+'@backstage/frontend-plugin-api': patch
+---
+
+Add support for `SidebarGroup` on the sidebar item extension.