diff --git a/.changeset/green-lies-invite copy.md b/.changeset/green-lies-invite copy.md
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+---
+'@backstage/frontend-plugin-api': minor
+---
+
+**BREAKING**: In an attempt to align some of the API's around providing components to `Blueprints`, we've renamed the parameters for both the `RouterBlueprint` and `AppRootWrapperBlueprint` from `Component` to `component`.
+
+```tsx
+// old
+RouterBlueprint.make({
+  params: {
+    Component: ({ children }) => <div>{children}</div>,
+  },
+});
+
+// new
+RouterBlueprint.make({
+  params: {
+    component: ({ children }) => <div>{children}</div>,
+  },
+});
+```
+
+```tsx
+// old
+AppRootWrapperBlueprint.make({
+  params: {
+    Component: ({ children }) => <div>{children}</div>,
+  },
+});
+
+// new
+AppRootWrapperBlueprint.make({
+  params: {
+    component: ({ children }) => <div>{children}</div>,
+  },
+});
+```
+
+As part of this change, the type for `component` has also changed from `ComponentType<PropsWithChildren<{}>>` to `(props: { children: ReactNode }) => JSX.Element | null` which is not breaking, just a little more reflective of the actual expected component.
diff --git a/.changeset/green-lies-invite.md b/.changeset/green-lies-invite.md
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+---
+'@backstage/frontend-test-utils': patch
+'@backstage/core-compat-api': patch
+'@backstage/plugin-app': patch
+---
+
+Updated the usage of the `RouterBlueprint` and `AppRootWrapperBlueprint` to use the lowercase `component` parameter