diff --git a/.changeset/cuddly-yaks-sneeze.md b/.changeset/cuddly-yaks-sneeze.md
new file mode 100644
index 0000000000..47d24d1cdb
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+++ b/.changeset/cuddly-yaks-sneeze.md
@@ -0,0 +1,5 @@
+---
+'@backstage/core-api': patch
+---
+
+Improve forwards compatibility with `@backstage/core-app-api` and `@backstage/core-plugin-api` by re-using route reference types and factory methods from `@backstage/core-plugin-api`.
diff --git a/.changeset/early-baboons-double.md b/.changeset/early-baboons-double.md
new file mode 100644
index 0000000000..efbf0f559e
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+++ b/.changeset/early-baboons-double.md
@@ -0,0 +1,5 @@
+---
+'@backstage/core-app-api': patch
+---
+
+Fixes a type bug where supplying all app icons to `createApp` was required, rather than just a partial list.
diff --git a/.changeset/silent-lions-collect.md b/.changeset/silent-lions-collect.md
new file mode 100644
index 0000000000..76747871ef
--- /dev/null
+++ b/.changeset/silent-lions-collect.md
@@ -0,0 +1,5 @@
+---
+'@backstage/core-app-api': patch
+---
+
+Update `createApp` options to allow plugins with unknown output types in order to improve forwards and backwards compatibility.