diff --git a/.version b/.version
index 24458a5..f92016f 100644
--- a/.version
+++ b/.version
@@ -1 +1 @@
-v9.4.0
+v9.4.1
diff --git a/package.json b/package.json
index 4558750..79e48ef 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ohzi-core",
-  "version": "9.4.0",
+  "version": "9.4.1",
   "description": "OHZI Core Library",
   "source": "src/index.js",
   "module": "build/index.module.js",
diff --git a/src/Browser.js b/src/Browser.js
index 99e52b9..0eed1b5 100644
--- a/src/Browser.js
+++ b/src/Browser.js
@@ -64,7 +64,7 @@ class Browser
 
   get has_webm()
   {
-    return this.is_chrome || this.is_firefox || this.is_edge_chromium;
+    return !!(this.is_chrome || this.is_firefox || this.is_edge_chromium);
   }
 
   get has_hvec()
@@ -98,7 +98,7 @@ class Browser
     if ((tem = ua.match(/version\/(\d+)/i)) != null) M.splice(1, 1, tem[1]);
     version = M.join(' ');
 
-    return version.split(' ')[1];
+    return Number(version.split(' ')[1]);
   }
 }
 
diff --git a/src/resource_loader/CubemapLoader.js b/src/resource_loader/CubemapLoader.js
index db056b2..0a784b8 100644
--- a/src/resource_loader/CubemapLoader.js
+++ b/src/resource_loader/CubemapLoader.js
@@ -4,18 +4,18 @@ import { CubeTextureLoader } from 'three';
 
 class CubemapLoader extends AbstractLoader
 {
-  constructor(resource_id, url, size)
+  constructor(resource_id, url, extension, size)
   {
     super(resource_id, url, size);
     this.loader = new CubeTextureLoader();
     this.loader.setPath(url + '/');
     this.urls = [
-      'px.png',
-      'nx.png',
-      'py.png',
-      'ny.png',
-      'pz.png',
-      'nz.png'
+      `px.${extension}`,
+      `nx.${extension}`,
+      `py.${extension}`,
+      `ny.${extension}`,
+      `pz.${extension}`,
+      `nz.${extension}`
     ];
   }
 
diff --git a/types/Browser.d.ts b/types/Browser.d.ts
index 9857009..40c199d 100644
--- a/types/Browser.d.ts
+++ b/types/Browser.d.ts
@@ -4,6 +4,7 @@ declare class Browser {
     init(): void;
     browser_name: string;
     agent: string;
+    version: number;
     get name(): string;
     get is_safari(): boolean;
     get is_chrome(): boolean;
@@ -12,4 +13,5 @@ declare class Browser {
     get has_webm(): boolean;
     get has_hvec(): boolean;
     get preferred_video_extension(): "webm" | "hvec.mp4" | "mp4";
+    get_version(): number;
 }
diff --git a/types/resource_loader/AsyncTextureLoader.d.ts b/types/resource_loader/AsyncTextureLoader.d.ts
index 9937a7f..0a7f72f 100644
--- a/types/resource_loader/AsyncTextureLoader.d.ts
+++ b/types/resource_loader/AsyncTextureLoader.d.ts
@@ -1,5 +1,7 @@
 export class AsyncTextureLoader extends AbstractLoader {
     constructor(resource_id: any, url: any, size: any);
     on_preloaded_finished(resource_container: any): void;
+    load_with_old_method(resource_container: any): void;
+    load_with_new_method(resource_container: any): void;
 }
 import { AbstractLoader } from "./AbstractLoader";
diff --git a/types/resource_loader/CubemapLoader.d.ts b/types/resource_loader/CubemapLoader.d.ts
index d5ddbaa..4d127b2 100644
--- a/types/resource_loader/CubemapLoader.d.ts
+++ b/types/resource_loader/CubemapLoader.d.ts
@@ -1,5 +1,5 @@
 export class CubemapLoader extends AbstractLoader {
-    constructor(resource_id: any, url: any, size: any);
+    constructor(resource_id: any, url: any, extension: any, size: any);
     loader: any;
     urls: string[];
     on_preloaded_finished(resource_container: any): void;