diff --git a/frontend/app/onboarding/onboarding-common.tsx b/frontend/app/onboarding/onboarding-common.tsx
index 44001aca5d..60711746e1 100644
--- a/frontend/app/onboarding/onboarding-common.tsx
+++ b/frontend/app/onboarding/onboarding-common.tsx
@@ -1,7 +1,7 @@
 // Copyright 2026, Command Line Inc.
 // SPDX-License-Identifier: Apache-2.0
 
-export const CurrentOnboardingVersion = "v0.14.2";
+export const CurrentOnboardingVersion = "v0.14.3";
 
 export function OnboardingGradientBg() {
     return (
diff --git a/frontend/app/onboarding/onboarding-upgrade-patch.tsx b/frontend/app/onboarding/onboarding-upgrade-patch.tsx
index 60760ffea1..0eded88f12 100644
--- a/frontend/app/onboarding/onboarding-upgrade-patch.tsx
+++ b/frontend/app/onboarding/onboarding-upgrade-patch.tsx
@@ -133,10 +133,10 @@ export const UpgradeOnboardingVersions: VersionConfig[] = [
         version: "v0.14.1",
         content: () => <UpgradeOnboardingModal_v0_14_1_Content />,
         prevText: "Prev (v0.14.0)",
-        nextText: "Next (v0.14.2)",
+        nextText: "Next (v0.14.3)",
     },
     {
-        version: "v0.14.2",
+        version: "v0.14.3",
         content: () => <UpgradeOnboardingModal_v0_14_2_Content />,
         prevText: "Prev (v0.14.1)",
     },
diff --git a/frontend/app/onboarding/onboarding-upgrade-v0142.tsx b/frontend/app/onboarding/onboarding-upgrade-v0142.tsx
index 90ddb2cd69..2fb8c1bd82 100644
--- a/frontend/app/onboarding/onboarding-upgrade-v0142.tsx
+++ b/frontend/app/onboarding/onboarding-upgrade-v0142.tsx
@@ -10,7 +10,8 @@ const UpgradeOnboardingModal_v0_14_2_Content = () => {
             <div className="text-secondary leading-relaxed mb-4">
                 <p className="mb-0">
                     Wave v0.14.2 introduces a new block badge system for at-a-glance status, along with directory
-                    preview improvements and bug fixes.
+                    preview improvements and bug fixes. v0.14.3 is a patch release fixing a showstopper bug in
+                    onboarding.
                 </p>
             </div>
 
@@ -62,6 +63,9 @@ const UpgradeOnboardingModal_v0_14_2_Content = () => {
                     <div className="text-foreground text-base font-semibold leading-[18px]">Other Changes</div>
                     <div className="text-secondary leading-5">
                         <ul className="list-disc list-outside space-y-1 pl-5">
+                            <li>
+                                <strong>[v0.14.3] </strong>[bugfix] Fixed a showstopper onboarding bug
+                            </li>
                             <li>
                                 <strong>Directory Preview</strong> - Improved mod time formatting, zebra-striped rows,
                                 better default sort, and YAML file support
diff --git a/frontend/app/onboarding/onboarding.tsx b/frontend/app/onboarding/onboarding.tsx
index 7c95ef27a6..ba139e81df 100644
--- a/frontend/app/onboarding/onboarding.tsx
+++ b/frontend/app/onboarding/onboarding.tsx
@@ -59,7 +59,7 @@ const InitPage = ({
 
     const acceptTos = () => {
         if (!clientData?.tosagreed) {
-            fireAndForget(services.ClientService.AgreeTos);
+            fireAndForget(() => services.ClientService.AgreeTos());
         }
         if (telemetryEnabled) {
             WorkspaceLayoutModel.getInstance().setAIPanelVisible(true);
@@ -325,7 +325,7 @@ const NewInstallOnboardingModal = () => {
     let pageComp: React.JSX.Element = null;
     switch (pageName) {
         case "init":
-            pageComp = <InitPage isCompact={isCompact} telemetryUpdateFn={services.ClientService.TelemetryUpdate} />;
+            pageComp = <InitPage isCompact={isCompact} telemetryUpdateFn={(value) => services.ClientService.TelemetryUpdate(value)} />;
             break;
         case "notelemetrystar":
             pageComp = <NoTelemetryStarPage isCompact={isCompact} />;
diff --git a/frontend/app/store/services.ts b/frontend/app/store/services.ts
index 3dad2a3e5c..035834672a 100644
--- a/frontend/app/store/services.ts
+++ b/frontend/app/store/services.ts
@@ -24,18 +24,18 @@ export class BlockServiceType {
     // queue a layout action to cleanup orphaned blocks in the tab
     // @returns object updates
     CleanupOrphanedBlocks(tabId: string): Promise<void> {
-        return callBackendService(this.waveEnv, "block", "CleanupOrphanedBlocks", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "block", "CleanupOrphanedBlocks", Array.from(arguments))
     }
     GetControllerStatus(arg2: string): Promise<BlockControllerRuntimeStatus> {
-        return callBackendService(this.waveEnv, "block", "GetControllerStatus", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "block", "GetControllerStatus", Array.from(arguments))
     }
 
     // save the terminal state to a blockfile
     SaveTerminalState(blockId: string, state: string, stateType: string, ptyOffset: number, termSize: TermSize): Promise<void> {
-        return callBackendService(this.waveEnv, "block", "SaveTerminalState", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "block", "SaveTerminalState", Array.from(arguments))
     }
     SaveWaveAiData(arg2: string, arg3: WaveAIPromptMessageType[]): Promise<void> {
-        return callBackendService(this.waveEnv, "block", "SaveWaveAiData", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "block", "SaveWaveAiData", Array.from(arguments))
     }
 }
 
@@ -51,22 +51,22 @@ export class ClientServiceType {
 
     // @returns object updates
     AgreeTos(): Promise<void> {
-        return callBackendService(this.waveEnv, "client", "AgreeTos", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "client", "AgreeTos", Array.from(arguments))
     }
     FocusWindow(arg2: string): Promise<void> {
-        return callBackendService(this.waveEnv, "client", "FocusWindow", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "client", "FocusWindow", Array.from(arguments))
     }
     GetAllConnStatus(): Promise<ConnStatus[]> {
-        return callBackendService(this.waveEnv, "client", "GetAllConnStatus", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "client", "GetAllConnStatus", Array.from(arguments))
     }
     GetClientData(): Promise<Client> {
-        return callBackendService(this.waveEnv, "client", "GetClientData", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "client", "GetClientData", Array.from(arguments))
     }
     GetTab(arg1: string): Promise<Tab> {
-        return callBackendService(this.waveEnv, "client", "GetTab", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "client", "GetTab", Array.from(arguments))
     }
     TelemetryUpdate(arg2: boolean): Promise<void> {
-        return callBackendService(this.waveEnv, "client", "TelemetryUpdate", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "client", "TelemetryUpdate", Array.from(arguments))
     }
 }
 
@@ -82,32 +82,32 @@ export class ObjectServiceType {
 
     // @returns blockId (and object updates)
     CreateBlock(blockDef: BlockDef, rtOpts: RuntimeOpts): Promise<string> {
-        return callBackendService(this.waveEnv, "object", "CreateBlock", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "object", "CreateBlock", Array.from(arguments))
     }
 
     // @returns object updates
     DeleteBlock(blockId: string): Promise<void> {
-        return callBackendService(this.waveEnv, "object", "DeleteBlock", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "object", "DeleteBlock", Array.from(arguments))
     }
 
     // get wave object by oref
     GetObject(oref: string): Promise<WaveObj> {
-        return callBackendService(this.waveEnv, "object", "GetObject", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "object", "GetObject", Array.from(arguments))
     }
 
     // @returns objects
     GetObjects(orefs: string[]): Promise<WaveObj[]> {
-        return callBackendService(this.waveEnv, "object", "GetObjects", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "object", "GetObjects", Array.from(arguments))
     }
 
     // @returns object updates
     UpdateObject(waveObj: WaveObj, returnUpdates: boolean): Promise<void> {
-        return callBackendService(this.waveEnv, "object", "UpdateObject", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "object", "UpdateObject", Array.from(arguments))
     }
 
     // @returns object updates
     UpdateObjectMeta(oref: string, meta: MetaType): Promise<void> {
-        return callBackendService(this.waveEnv, "object", "UpdateObjectMeta", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "object", "UpdateObjectMeta", Array.from(arguments))
     }
 }
 
@@ -122,7 +122,7 @@ export class UserInputServiceType {
     }
 
     SendUserInputResponse(arg1: UserInputResponse): Promise<void> {
-        return callBackendService(this.waveEnv, "userinput", "SendUserInputResponse", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "userinput", "SendUserInputResponse", Array.from(arguments))
     }
 }
 
@@ -137,22 +137,22 @@ export class WindowServiceType {
     }
 
     CloseWindow(windowId: string, fromElectron: boolean): Promise<void> {
-        return callBackendService(this.waveEnv, "window", "CloseWindow", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "window", "CloseWindow", Array.from(arguments))
     }
     CreateWindow(winSize: WinSize, workspaceId: string): Promise<WaveWindow> {
-        return callBackendService(this.waveEnv, "window", "CreateWindow", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "window", "CreateWindow", Array.from(arguments))
     }
     GetWindow(windowId: string): Promise<WaveWindow> {
-        return callBackendService(this.waveEnv, "window", "GetWindow", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "window", "GetWindow", Array.from(arguments))
     }
 
     // set window position and size
     // @returns object updates
     SetWindowPosAndSize(windowId: string, pos: Point, size: WinSize): Promise<void> {
-        return callBackendService(this.waveEnv, "window", "SetWindowPosAndSize", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "window", "SetWindowPosAndSize", Array.from(arguments))
     }
     SwitchWorkspace(windowId: string, workspaceId: string): Promise<Workspace> {
-        return callBackendService(this.waveEnv, "window", "SwitchWorkspace", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "window", "SwitchWorkspace", Array.from(arguments))
     }
 }
 
@@ -168,50 +168,50 @@ export class WorkspaceServiceType {
 
     // @returns CloseTabRtn (and object updates)
     CloseTab(workspaceId: string, tabId: string, fromElectron: boolean): Promise<CloseTabRtnType> {
-        return callBackendService(this.waveEnv, "workspace", "CloseTab", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "workspace", "CloseTab", Array.from(arguments))
     }
 
     // @returns tabId (and object updates)
     CreateTab(workspaceId: string, tabName: string, activateTab: boolean): Promise<string> {
-        return callBackendService(this.waveEnv, "workspace", "CreateTab", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "workspace", "CreateTab", Array.from(arguments))
     }
 
     // @returns workspaceId
     CreateWorkspace(name: string, icon: string, color: string, applyDefaults: boolean): Promise<string> {
-        return callBackendService(this.waveEnv, "workspace", "CreateWorkspace", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "workspace", "CreateWorkspace", Array.from(arguments))
     }
 
     // @returns object updates
     DeleteWorkspace(workspaceId: string): Promise<string> {
-        return callBackendService(this.waveEnv, "workspace", "DeleteWorkspace", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "workspace", "DeleteWorkspace", Array.from(arguments))
     }
 
     // @returns colors
     GetColors(): Promise<string[]> {
-        return callBackendService(this.waveEnv, "workspace", "GetColors", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "workspace", "GetColors", Array.from(arguments))
     }
 
     // @returns icons
     GetIcons(): Promise<string[]> {
-        return callBackendService(this.waveEnv, "workspace", "GetIcons", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "workspace", "GetIcons", Array.from(arguments))
     }
 
     // @returns workspace
     GetWorkspace(workspaceId: string): Promise<Workspace> {
-        return callBackendService(this.waveEnv, "workspace", "GetWorkspace", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "workspace", "GetWorkspace", Array.from(arguments))
     }
     ListWorkspaces(): Promise<WorkspaceListEntry[]> {
-        return callBackendService(this.waveEnv, "workspace", "ListWorkspaces", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "workspace", "ListWorkspaces", Array.from(arguments))
     }
 
     // @returns object updates
     SetActiveTab(workspaceId: string, tabId: string): Promise<void> {
-        return callBackendService(this.waveEnv, "workspace", "SetActiveTab", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "workspace", "SetActiveTab", Array.from(arguments))
     }
 
     // @returns object updates
     UpdateWorkspace(workspaceId: string, name: string, icon: string, color: string, applyDefaults: boolean): Promise<void> {
-        return callBackendService(this.waveEnv, "workspace", "UpdateWorkspace", Array.from(arguments))
+        return callBackendService(this?.waveEnv, "workspace", "UpdateWorkspace", Array.from(arguments))
     }
 }
 
diff --git a/pkg/tsgen/tsgen.go b/pkg/tsgen/tsgen.go
index 8d92893afc..89c782c595 100644
--- a/pkg/tsgen/tsgen.go
+++ b/pkg/tsgen/tsgen.go
@@ -412,7 +412,7 @@ func GenerateMethodSignature(serviceName string, method reflect.Method, meta tsg
 }
 
 func GenerateMethodBody(serviceName string, method reflect.Method, meta tsgenmeta.MethodMeta) string {
-	return fmt.Sprintf("        return callBackendService(this.waveEnv, %q, %q, Array.from(arguments))\n", serviceName, method.Name)
+	return fmt.Sprintf("        return callBackendService(this?.waveEnv, %q, %q, Array.from(arguments))\n", serviceName, method.Name)
 }
 
 func GenerateServiceClass(serviceName string, serviceObj any, tsTypesMap map[reflect.Type]string) string {