diff --git a/.changes/app-bundle-cross-platform.md b/.changes/app-bundle-cross-platform.md
new file mode 100644
index 00000000..ac8a203d
--- /dev/null
+++ b/.changes/app-bundle-cross-platform.md
@@ -0,0 +1,5 @@
+---
+"cargo-packager": minor
+---
+
+Allow packaging the macOS app bundle on Linux and Windows hosts (without codesign support).
diff --git a/.changes/package-output-struct-refactor.md b/.changes/package-output-struct-refactor.md
new file mode 100644
index 00000000..646a6e39
--- /dev/null
+++ b/.changes/package-output-struct-refactor.md
@@ -0,0 +1,5 @@
+---
+"cargo-packager": minor
+---
+
+Renamed `PackageOuput` to `PackageOutput` and added `PackageOutput::new`.
\ No newline at end of file
diff --git a/crates/packager/src/package/mod.rs b/crates/packager/src/package/mod.rs
index 85af6939..5f29bab0 100644
--- a/crates/packager/src/package/mod.rs
+++ b/crates/packager/src/package/mod.rs
@@ -43,6 +43,7 @@ mod context;
 
 /// Generated Package metadata.
 #[derive(Debug, Clone)]
+#[non_exhaustive]
 pub struct PackageOutput {
     /// The package type.
     pub format: PackageFormat,
@@ -50,6 +51,16 @@ pub struct PackageOutput {
     pub paths: Vec<PathBuf>,
 }
 
+impl PackageOutput {
+    /// Creates a new package output.
+    ///
+    /// This is only useful if you need to sign the packages in a different process,
+    /// after packaging the app and storing its paths.
+    pub fn new(format: PackageFormat, paths: Vec<PathBuf>) -> Self {
+        Self { format, paths }
+    }
+}
+
 /// Package an app using the specified config.
 #[tracing::instrument(level = "trace")]
 pub fn package(config: &Config) -> crate::Result<Vec<PackageOutput>> {