diff --git a/v2/cmd/wails/internal/commands/initialise/templates/generate/assets/common/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/generate/assets/common/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/generate/assets/common/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/generate/assets/common/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/lit-ts/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/lit-ts/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/lit-ts/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/lit-ts/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/lit/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/lit/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/lit/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/lit/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/preact-ts/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/preact-ts/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/preact-ts/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/preact-ts/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/preact/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/preact/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/preact/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/preact/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/react-ts/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/react-ts/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/react-ts/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/react-ts/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/react/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/react/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/react/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/react/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/svelte-ts/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/svelte-ts/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/svelte-ts/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/svelte-ts/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/svelte/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/svelte/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/svelte/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/svelte/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla-ts/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla-ts/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla-ts/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla-ts/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/vanilla/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/vue-ts/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/vue-ts/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/vue-ts/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/vue-ts/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/cmd/wails/internal/commands/initialise/templates/templates/vue/frontend/wailsjs/runtime/runtime.d.ts b/v2/cmd/wails/internal/commands/initialise/templates/templates/vue/frontend/wailsjs/runtime/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/cmd/wails/internal/commands/initialise/templates/templates/vue/frontend/wailsjs/runtime/runtime.d.ts
+++ b/v2/cmd/wails/internal/commands/initialise/templates/templates/vue/frontend/wailsjs/runtime/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.
diff --git a/v2/internal/frontend/runtime/wrapper/runtime.d.ts b/v2/internal/frontend/runtime/wrapper/runtime.d.ts
index bcacbec00..08ada6948 100644
--- a/v2/internal/frontend/runtime/wrapper/runtime.d.ts
+++ b/v2/internal/frontend/runtime/wrapper/runtime.d.ts
@@ -177,7 +177,7 @@ export function BrowserOpenURL(url: string): void;
 
 // [Environment](https://wails.io/docs/reference/runtime/intro#environment)
 // Returns information about the environment
-export function Environment(): EnvironmentInfo;
+export function Environment(): Promise<EnvironmentInfo>;
 
 // [Quit](https://wails.io/docs/reference/runtime/intro#quit)
 // Quits the application.