UnityLoader.js Module.wasmRequest is not a function

Hello,


We are trying out a modern UnityLoader ( 2018.3.0.b2, the latest version avail on Linux afaik ) the with older builds of WebGL games. UnityLoader.js is supposed to be backwards compatible, but fails for some games.

An error we are currently seeing is `Module.wasmRequest is not a function`.
Looking at UnityLoader.js; the one in 2018.2 has indeed a function wasmRequest that has been removed in 3.0.b2. An example of a game that is not working is https://www.crazygames.com/game/tank-off

 

We tried it with the latest UnityLoader on OSX, the same error persists.

To clarify: we do no rebuild the game, we take an existing build and use a more recent UnityLoader to take advantage of some of the more recent features of the loader. We cannot rebuild the game as we are a publisher that host games, and do not have the source project files. As we understood it UnityLoader is supposed to be backwards compatible with older builds.

 

We are indeed using our own template to show a custom progress bar and overlay:

Code (JavaScript):

1.  
2. UnityLoader.instantiate(
3.   'game-container',
4.   moduleJsonUrl, // variable assigned to url of module json for particular game
5.   {
6.             onProgress: tracker, // custom function that updates game progress
7.             Module: {
8.               onRuntimeInitialized: runTimeInitialized, // hide our own overlay
9.               cacheControl: { default: 'immutable' },
10.               companyName: 'CrazyGames',
11.               productName: gameSlug, // unique slug for this game
12.             },
13.           }
14. );
15.  

So far I have found two games that don't work:

https://www.crazygames.com/game/3d-moto-simulator-2

and the aforementioned one:
https://www.crazygames.com/game/tank-off

 

I've made a test page with two Unity Loaders: the one that was originally shipped with the build of the game, and the most recent one from Unity 2018.3.3

https://gameframe.crazygames.com/marco.html

And just to be sure, this is the UnityLoader that appears to be broken: https://gameframe.crazygames.com/UnityLoader-marco.js

 

That seems to solve the issue. Thank you for your help.