diff --git a/src/vs/platform/update/common/positronVersion.ts b/src/vs/platform/update/common/positronVersion.ts
index a3d8af6c3030..5fc8d649f2b3 100644
--- a/src/vs/platform/update/common/positronVersion.ts
+++ b/src/vs/platform/update/common/positronVersion.ts
@@ -25,9 +25,12 @@ export interface IPositronVersion {
  *
  * @param version - The version string to parse.
  */
-export function parse(version: string): IPositronVersion {
+export function parse(version: string): IPositronVersion | undefined {
+	if (!version || version.length === 0) {
+		return undefined;
+	}
 	if (!POSITRON_VERSION_REGEX.test(version)) {
-		throw new Error('Version format must be YYYY.MM.patch-build');
+		throw new Error(`Invalid version '${version}'; format must be YYYY.MM.patch-build`);
 	}
 	const [year, month, patchBuild] = version.split('.');
 	const [patch, build] = patchBuild.split('-').map(Number);
@@ -56,6 +59,21 @@ export function compare(v1: string, v2: string): number {
 	const p1 = parse(v1);
 	const p2 = parse(v2);
 
+	// Handle empty versions
+	if (p1 === undefined && p2 === undefined) {
+		// Both versions are empty
+		return 0;
+	}
+	if (p1 === undefined) {
+		// Only v1 is empty; v2 is valid, so v1 < v2
+		return -1;
+	}
+	if (p2 === undefined) {
+		// Only v2 is empty; v1 is valid, so v1 > v2
+		return 1;
+	}
+
+	// Compare year, month, patch, and build
 	if (p1.year !== p2.year) {
 		return p1.year - p2.year;
 	}
diff --git a/src/vs/workbench/services/configuration/browser/configurationService.ts b/src/vs/workbench/services/configuration/browser/configurationService.ts
index ae4182521ed0..6824974314d9 100644
--- a/src/vs/workbench/services/configuration/browser/configurationService.ts
+++ b/src/vs/workbench/services/configuration/browser/configurationService.ts
@@ -1398,6 +1398,12 @@ class ConfigurationDefaultOverridesContribution extends Disposable implements IW
 		const allProperties = this.configurationRegistry.getConfigurationProperties();
 		for (const property of properties) {
 			const schema = allProperties[property];
+			// --- Start Positron ---
+			// Some experimental settings don't have a schema at all.
+			if (!schema) {
+				continue;
+			}
+			// --- End Positron ---
 			if (!schema.experiment) {
 				continue;
 			}
diff --git a/src/vs/workbench/services/extensions/common/extensionsProposedApi.ts b/src/vs/workbench/services/extensions/common/extensionsProposedApi.ts
index d80560ddb49d..ac8c82f580d4 100644
--- a/src/vs/workbench/services/extensions/common/extensionsProposedApi.ts
+++ b/src/vs/workbench/services/extensions/common/extensionsProposedApi.ts
@@ -48,7 +48,10 @@ export class ExtensionsProposedApi {
 				const key = ExtensionIdentifier.toKey(k);
 				const proposalNames = value.filter(name => {
 					if (!allApiProposals[<ApiProposalName>name]) {
-						_logService.warn(`Via 'product.json#extensionEnabledApiProposals' extension '${key}' wants API proposal '${name}' but that proposal DOES NOT EXIST. Likely, the proposal has been finalized (check 'vscode.d.ts') or was abandoned.`);
+						// --- Start Positron ---
+						// We can ignore these; Positron does not track or enforce API proposal permissions.
+						// _logService.warn(`Via 'product.json#extensionEnabledApiProposals' extension '${key}' wants API proposal '${name}' but that proposal DOES NOT EXIST. Likely, the proposal has been finalized (check 'vscode.d.ts') or was abandoned.`);
+						// --- End Positron ---
 						return false;
 					}
 					return true;
@@ -59,6 +62,13 @@ export class ExtensionsProposedApi {
 	}
 
 	updateEnabledApiProposals(extensions: IExtensionDescription[]): void {
+		// --- Start Positron ---
+		// Positron does not track or enforce API proposal permissions.
+		if (extensions.length > 0) {
+			return;
+		}
+		// --- End Positron ---
+
 		for (const extension of extensions) {
 			this.doUpdateEnabledApiProposals(extension);
 		}