Known issues

Uncompressed AudioClip cannot be read in WebGL 

Symptom:

(Error in browser console) Cannot get data on compressed samples for audio clip "clipName". Changing the load type to DecompressOnLoad on the audio clip will fix this.

Fix: Update your version of Unity to one of the following versions

Cannot download remote file in WebGL

Symptom:

Failed to download xxx. Reason: Unknown Error.

Fix: Setup CORS policy. More info here