diff --git a/CHANGELOG.md b/CHANGELOG.md
index a047d330e..5eca57472 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 Notable changes.
 
+## June 2025
+
+### [0.78.0]
+- Fix: Handle missing features (https://github.com/devcontainers/cli/pull/1040)
+
 ## May 2025
 
 ### [0.77.0]
diff --git a/package.json b/package.json
index 3af1ba169..615afcb67 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "@devcontainers/cli",
 	"description": "Dev Containers CLI",
-	"version": "0.77.0",
+	"version": "0.78.0",
 	"bin": {
 		"devcontainer": "devcontainer.js"
 	},
diff --git a/src/spec-configuration/containerFeaturesConfiguration.ts b/src/spec-configuration/containerFeaturesConfiguration.ts
index 18c20309d..8309fb6ab 100644
--- a/src/spec-configuration/containerFeaturesConfiguration.ts
+++ b/src/spec-configuration/containerFeaturesConfiguration.ts
@@ -527,7 +527,7 @@ export async function loadVersionInfo(params: ContainerFeatureInternalParams, co
 		const featureRef = getRef(nullLog, userFeatureId); // Filters out Feature identifiers that cannot be versioned (e.g. local paths, deprecated, etc..)
 		if (featureRef) {
 			const versions = (await getVersionsStrictSorted(params, featureRef))
-				?.reverse();
+				?.reverse() || [];
 			if (versions) {
 				const lockfileVersion = lockfile?.features[userFeatureId]?.version;
 				let wanted = lockfileVersion;
@@ -550,7 +550,7 @@ export async function loadVersionInfo(params: ContainerFeatureInternalParams, co
 					wanted,
 					wantedMajor: wanted && semver.major(wanted)?.toString(),
 					latest: versions[0],
-					latestMajor: semver.major(versions[0])?.toString(),
+					latestMajor: versions[0] && semver.major(versions[0])?.toString(),
 				};
 			}
 		}
diff --git a/src/test/container-features/configs/lockfile-outdated-command/.devcontainer.json b/src/test/container-features/configs/lockfile-outdated-command/.devcontainer.json
index 7aba15391..aedc881e2 100644
--- a/src/test/container-features/configs/lockfile-outdated-command/.devcontainer.json
+++ b/src/test/container-features/configs/lockfile-outdated-command/.devcontainer.json
@@ -7,6 +7,7 @@
 		"ghcr.io/devcontainers/features/github-cli": "latest",
 		"ghcr.io/devcontainers/features/azure-cli:0": "latest",
 		"ghcr.io/codspace/versioning/foo:0.3.1": "latest",
+		"ghcr.io/codspace/doesnotexist:0.1.2": "latest",
 		"./mylocalfeature": {},
 		"terraform": "latest",
 		"https://myfeatures.com/features.tgz": "latest"
diff --git a/src/test/container-features/lockfile.test.ts b/src/test/container-features/lockfile.test.ts
index d0889fed8..57034e6f2 100644
--- a/src/test/container-features/lockfile.test.ts
+++ b/src/test/container-features/lockfile.test.ts
@@ -123,6 +123,14 @@ describe('Lockfile', function () {
 		assert.strictEqual(foo.wantedMajor, '0');
 		assert.strictEqual(foo.latest, '2.11.1');
 		assert.strictEqual(foo.latestMajor, '2');
+
+		const doesnotexist = response.features['ghcr.io/codspace/doesnotexist:0.1.2'];
+		assert.ok(doesnotexist);
+		assert.strictEqual(doesnotexist.current, undefined);
+		assert.strictEqual(doesnotexist.wanted, undefined);
+		assert.strictEqual(doesnotexist.wantedMajor, undefined);
+		assert.strictEqual(doesnotexist.latest, undefined);
+		assert.strictEqual(doesnotexist.latestMajor, undefined);
 	});
 
 	it('outdated command with text output', async () => {
@@ -131,7 +139,7 @@ describe('Lockfile', function () {
 		const res = await shellExec(`${cli} outdated --workspace-folder ${workspaceFolder} --output-format text`);
 		const response = res.stdout;
 		// Count number of lines of output
-		assert.strictEqual(response.split('\n').length, 7); // 5 valid Features + header + empty line
+		assert.strictEqual(response.split('\n').length, 8); // 5 valid Features + header + empty line
 
 		// Check that the header is present
 		assert.ok(response.includes('Current'), 'Current column is missing');
@@ -145,6 +153,7 @@ describe('Lockfile', function () {
 		assert.ok(response.includes('ghcr.io/devcontainers/features/github-cli'), 'github-cli Feature is missing');
 		assert.ok(response.includes('ghcr.io/devcontainers/features/azure-cli'), 'azure-cli Feature is missing');
 		assert.ok(response.includes('ghcr.io/codspace/versioning/foo'), 'foo Feature is missing');
+		assert.ok(response.includes('ghcr.io/codspace/doesnotexist'), 'doesnotexist Feature is missing');
 
 		// Check that filtered Features are not present
 		assert.ok(!response.includes('mylocalfeature'));