apparently the 64x32 skins do have transparency after all

Author: InventivetalentDev

demo/skin/index.html

@@ -58,13 +58,14 @@
 
         <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=" crossorigin="anonymous"></script>
         <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/94/three.min.js" integrity="sha256-NGC9JEuTWN4GhTj091wctgjzftr+8WNDmw0H8J5YPYE=" crossorigin="anonymous"></script>
-        <script src="../../dist/skin.min.js"></script>
+        <script src="../../dist/skin.js"></script>
         <script>
             var skinRender = new SkinRender({
                 autoResize: true,
                 render: {
                     taa: true
-                }
+                },
+                makeNonTransparentOpaque: false
             }, document.body);
             skinRender.render({
                 username: location.hash ? location.hash.substring(1) : "inventivetalent",

src/skin/index.js

@@ -91,10 +91,6 @@ class SkinRender extends Render {
                 capeTexture.format = THREE.RGBFormat; // no transparency
             }
 
-            if (skinTexture.image.height === 32) {
-                skinTexture.format = THREE.RGBFormat; // 64x32 don't have transparency
-            }
-
             if (!skinRender.attached && !skinRender._scene) {// Don't init scene if attached, since we already have an available scene
                 super.initScene(function () {
                     skinRender.element.dispatchEvent(new CustomEvent("skinRender", {detail: {playerModel: skinRender.playerModel}}));
@@ -162,7 +158,7 @@ class SkinRender extends Render {
                 }
             }
 
-            if (skinRender.options.makeNonTransparentOpaque && skinRender._skinImage.height !== 32) { // 64x32 don't have transparency
+            if (skinRender.options.makeNonTransparentOpaque && skinRender._skinImage.height !== 32) {
                 let sourceCanvas = document.createElement("canvas");
                 let sourceContext = sourceCanvas.getContext("2d");
                 sourceCanvas.width = skinRender._skinImage.width;