diff --git a/apps/web/src/components/settings/UpdateTrackSwitchDialog.tsx b/apps/web/src/components/settings/UpdateTrackSwitchDialog.tsx
index f5db42c452c14..ce36f8ccd7e5c 100644
--- a/apps/web/src/components/settings/UpdateTrackSwitchDialog.tsx
+++ b/apps/web/src/components/settings/UpdateTrackSwitchDialog.tsx
@@ -7,6 +7,7 @@ import { useState } from "react";
 import { AsyncResult } from "effect/reactivity";
 
 import { APP_VERSION } from "~/branding";
+import { isLocalEnvironmentDisabled } from "~/localEnvironment";
 import { useDesktopUpdateState } from "~/state/desktopUpdate";
 import { useEnvironments } from "~/state/environments";
 import { npmReleaseAtom, npmReleaseFailureMessage } from "~/state/npmRelease";
@@ -91,6 +92,7 @@ function SwitchPlan({
       databaseMigration: environment.serverConfig?.environment.databaseMigration,
     })),
     window.desktopBridge?.getLocalEnvironmentBootstraps().length ?? 0,
+    !isLocalEnvironmentDisabled(),
   );
 
   const run = async () => {
diff --git a/apps/web/src/components/sidebar/updateEverything.logic.test.ts b/apps/web/src/components/sidebar/updateEverything.logic.test.ts
index 58328dbc1eeeb..8018410cb0181 100644
--- a/apps/web/src/components/sidebar/updateEverything.logic.test.ts
+++ b/apps/web/src/components/sidebar/updateEverything.logic.test.ts
@@ -254,7 +254,7 @@ describe("localSwitchBlockReason", () => {
     const nightly = "0.1.4-nightly.20261027.3796";
 
     const windows = { connected: true, databaseMigration: 69 };
-    expect(localSwitchBlockReason(nightly, stable, [windows], 1)).toBeNull();
+    expect(localSwitchBlockReason(nightly, stable, [windows], 1, true)).toBeNull();
     // A WSL server's newer migration blocks the reinstall that would restart it.
     expect(
       localSwitchBlockReason(
@@ -262,17 +262,39 @@ describe("localSwitchBlockReason", () => {
         stable,
         [windows, { connected: true, databaseMigration: 72 }],
         2,
+        true,
       ),
     ).toContain("does not support yet");
     // A WSL backend still starting has no client entry, so its database is unchecked.
-    expect(localSwitchBlockReason(nightly, stable, [windows], 2)).toBe(
+    expect(localSwitchBlockReason(nightly, stable, [windows], 2, true)).toBe(
       "its server is not connected, so its database cannot be checked",
     );
     // A cached head from a disconnected server proves nothing.
     expect(
-      localSwitchBlockReason(nightly, stable, [{ connected: false, databaseMigration: 69 }], 1),
+      localSwitchBlockReason(
+        nightly,
+        stable,
+        [{ connected: false, databaseMigration: 69 }],
+        1,
+        true,
+      ),
     ).toBe("its server is not connected, so its database cannot be checked");
-    expect(localSwitchBlockReason("0.1.3", stable, [], 1)).toBeNull();
+    expect(localSwitchBlockReason("0.1.3", stable, [], 1, true)).toBeNull();
+  });
+
+  it("does not block an app with Local environment off, which hosts no server", () => {
+    const nightly = {
+      channel: "nightly" as const,
+      version: "0.1.8-nightly.20261029.1",
+      databaseMigration: 72,
+    };
+    const stable = "0.1.7";
+
+    expect(localSwitchBlockReason(stable, nightly, [], 0, false)).toBeNull();
+    // With Local environment on, a primary backend still starting has no entry or bootstrap yet.
+    expect(localSwitchBlockReason(stable, nightly, [], 0, true)).toBe(
+      "its server is not connected, so its database cannot be checked",
+    );
   });
 });
 
diff --git a/apps/web/src/components/sidebar/updateEverything.logic.ts b/apps/web/src/components/sidebar/updateEverything.logic.ts
index cbbd3baa7c776..efc5ad6612e99 100644
--- a/apps/web/src/components/sidebar/updateEverything.logic.ts
+++ b/apps/web/src/components/sidebar/updateEverything.logic.ts
@@ -176,7 +176,8 @@ function channelSwitchBlockReason(
 
 /** This app's reinstall restarts every server it hosts, so each of their databases must allow the
  * switch. `backendCount` is the desktop's own inventory: a backend still starting has no client
- * entry yet. A cached config can outlive its connection, so only a connected server's head counts. */
+ * entry yet. A cached config can outlive its connection, so only a connected server's head counts.
+ * With Local environment off this app runs no server, so its reinstall restarts none. */
 export function localSwitchBlockReason(
   appVersion: string,
   release: ChannelSwitchRelease,
@@ -185,8 +186,9 @@ export function localSwitchBlockReason(
     readonly databaseMigration: number | undefined;
   }>,
   backendCount: number,
+  localEnvironmentEnabled: boolean,
 ): string | null {
-  if (!crossesTrack(appVersion, release)) return null;
+  if (!localEnvironmentEnabled || !crossesTrack(appVersion, release)) return null;
   if (
     hosted.length === 0 ||
     hosted.length < backendCount ||