Steamworks.SteamClient.Init Fails on SteamDeck

[snarlynarwhal]

Describe the bug
Steamworks.SteamClient.Init fails on SteamDeck. It throws this exception:

Exception: SteamApi_Init failed with VersionMismatch - error: No m_api

To Reproduce
Steps to reproduce the behavior:

1. Add this SteamManager script to a scene.
2. Build for Linux and test on SteamDeck.

using Steamworks;
using UnityEngine;

public class SteamManager : MonoBehaviour
{
    private const int gameId = <game-id>;

    private void Awake()
    {
        try
        {
            SteamClient.Init(gameId);
        }
        catch(System.Exception e)
        {
            Debug.LogException(e);

            if (!Application.isEditor && !Debug.isDebugBuild)
            {
                Application.Quit();
            }
        }
    }

    private void OnDestroy()
    {
        SteamClient.Shutdown();
    }
}

Calling Code

SteamClient.Init(gameId);

Expected behavior
I expect SteamClient to initialize without throwing an exception.

Desktop (please complete the following information):

• OS: Linux 6.5 Steam Runtime 2 64bit
• Unity: Unity 2022.3.41

Additional context
It works as expected on Windows. I also made sure Steam is up-to-date on the SteamDeck.

EDIT: I found additional information that may be related:

rlabrecque/Steamworks.NET#647
https://steamcommunity.com/groups/steamworks/discussions/27/4298194722196382031/