[NetCode] WebGL build can't connect to server or host

I migrated MLAPI to NetCode.
Stand alone version is ok. but, WebGL build occurred runtime error.
WebGL build version can’t connect to local host.
The runtime error is KeyNotFoundException.
7967307--1021674--upload_2022-3-16_14-46-26.png
I checked error reason.
ILPPMessageProvider is empty __network_message_types list.

In WebGL build, post processing code generator not applied.
(editor/codegen script. ILPostProcessor.)

Test infomation.

Unity version: 2020.3.17f1
NetCode : 1.0.0-pre.6
Apply commit:
fix: Make the adapter compile on WebGL
(fix: Make the adapter compile on WebGL by simon-lemay-unity · Pull Request #1802 · Unity-Technologies/com.unity.netcode.gameobjects · GitHub)

Test Code : NetCode Test project. ConnectionApproval
(com.unity.netcode.gameobjects/testproject at develop · Unity-Technologies/com.unity.netcode.gameobjects · GitHub)

Transport : WebSocket Transport
(multiplayer-community-contributions/Transports at main · Unity-Technologies/multiplayer-community-contributions · GitHub)

Other problem: NetCode UnetTransport websocket not contain service name.

Did you solve this issue? I am looking to build a webgl project with Netcode.

This issue fixed.
Update unity version.
https://issuetracker.unity3d.com/issues/webgl-player-freezes-on-startup-when-calling-getmonomanagerptr