diff --git a/.changeset/tiny-dodos-prove-2.md b/.changeset/tiny-dodos-prove-2.md
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+---
+'@backstage/frontend-test-utils': patch
+---
+
+Deprecate existing `ExtensionCreators` in favour of their new Blueprint counterparts.
diff --git a/.changeset/tiny-dodos-prove.md b/.changeset/tiny-dodos-prove.md
new file mode 100644
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+---
+'@backstage/frontend-test-utils': patch
+---
+
+Refactor `.make` method on Blueprints into two different methods, `.make` and `.makeWithOverrides`.
+
+When using `createExtensionBlueprint` you can define parameters for the factory function, if you wish to take advantage of these parameters you should use `.make` when creating an extension instance of a Blueprint. If you wish to override more things other than the standard `attachTo`, `name`, `namespace` then you should use `.makeWithOverrides` instead.
+
+`.make` is reserved for simple creation of extension instances from Blueprints using higher level parameters, whereas `.makeWithOverrides` is lower level and you have more control over the final extension.