After update RC to 5.0.4 the Realtime API method is gone: livechat:getInitialData
Logs:
Send message failed: {"isClientSafe":true,"error":404.0,"reason":"Method \u0027livechat:getInitialData\u0027 not found","message":"Method \u0027livechat:getInitialData\u0027 not found [404]","errorType":"Meteor.Error"}