diff --git a/constants.js b/constants.js
index bf861b9378..2dc5b9901c 100644
--- a/constants.js
+++ b/constants.js
@@ -30,7 +30,7 @@ export {
 export const polygonVigilKey = `0937c004ab133135c86586b55ca212a6c9ecd224`;
 
 export const storageHost = 'https://ipfs.exokit.org';
-export const previewHost = 'https://preview.exokit.org'
+export const previewHost = 'https://preview.exokit.org';
 export const worldsHost = 'https://worlds.exokit.org';
 export const accountsHost = `https://${chainName}sidechain-accounts.webaverse.com`;
 export const contractsHost = 'https://contracts.webaverse.com';
@@ -40,4 +40,23 @@ export const tokensHost = `https://${chainName}all-tokens.webaverse.com`;
 export const landHost = `https://${chainName}sidechain-land.webaverse.com`;
 export const web3MainnetSidechainEndpoint = 'https://mainnetsidechain.exokit.org';
 export const web3TestnetSidechainEndpoint = 'https://testnetsidechain.exokit.org';
-export const homeScnUrl = `https://webaverse.github.io/street/street.scn`;
+export const homeScnUrl = 'https://webaverse.github.io/street/street.scn';
+
+// Setup dialog URL, use hash if on githubpreview and its an okay hash
+const rGithub = /\.githubpreview\.dev$/;
+const isGH = rGithub.test(window.location.hostname);
+
+const hashHost =
+  /^[a-z][a-z0-9+\-.]*:\/\/([a-z0-9\-._~%!$&'()*+,;=]+@)?([a-z0-9\-._~%]+|\[[a-z0-9\-._~%!$&'()*+,;=:]+\])/.exec(
+    window.location.hash.slice(1),
+  );
+
+const isOKHASH = hashHost && hashHost[2] && rGithub.test(hashHost[2]);
+
+export const dialogUrl = isGH ? 
+isOKHASH ? 
+  hashHost[2] 
+  : 
+  window.location.hostname.replace(/3000(\.githubpreview\.dev)$/, '4443$1')
+: 
+'dialog.webaverse.com';
diff --git a/package-lock.json b/package-lock.json
index 83bea79f72..dfa8ccc569 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,2340 +1,8 @@
 {
   "name": "webaverse-app",
   "version": "0.0.1",
-  "lockfileVersion": 2,
+  "lockfileVersion": 1,
   "requires": true,
-  "packages": {
-    "": {
-      "name": "webaverse-app",
-      "version": "0.0.1",
-      "license": "ISC",
-      "dependencies": {
-        "dotenv": "^8.2.0",
-        "express": "^4.17.1"
-      },
-      "devDependencies": {
-        "eslint": "^7.8.1",
-        "eslint-config-semistandard": "^15.0.1",
-        "eslint-config-standard": "^14.1.1",
-        "eslint-plugin-import": "^2.22.0",
-        "eslint-plugin-node": "^11.1.0",
-        "eslint-plugin-promise": "^4.2.1",
-        "eslint-plugin-standard": "^4.0.1"
-      }
-    },
-    "node_modules/@babel/code-frame": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.10.4.tgz",
-      "integrity": "sha512-vG6SvB6oYEhvgisZNFRmRCUkLz11c7rp+tbNTynGqc6mS1d5ATd/sGyV6W0KZZnXRKMTzZDRgQT3Ou9jhpAfUg==",
-      "dev": true,
-      "dependencies": {
-        "@babel/highlight": "^7.10.4"
-      }
-    },
-    "node_modules/@babel/helper-validator-identifier": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz",
-      "integrity": "sha512-3U9y+43hz7ZM+rzG24Qe2mufW5KhvFg/NhnNph+i9mgCtdTCtMJuI1TMkrIUiK7Ix4PYlRF9I5dhqaLYA/ADXw==",
-      "dev": true
-    },
-    "node_modules/@babel/highlight": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.10.4.tgz",
-      "integrity": "sha512-i6rgnR/YgPEQzZZnbTHHuZdlE8qyoBNalD6F+q4vAFlcMEcqmkoG+mPqJYJCo63qPf74+Y1UZsl3l6f7/RIkmA==",
-      "dev": true,
-      "dependencies": {
-        "@babel/helper-validator-identifier": "^7.10.4",
-        "chalk": "^2.0.0",
-        "js-tokens": "^4.0.0"
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-      "dev": true,
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-        "escape-string-regexp": "^1.0.5",
-        "supports-color": "^5.3.0"
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-        "import-fresh": "^3.2.1",
-        "js-yaml": "^3.13.1",
-        "lodash": "^4.17.19",
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-        "strip-json-comments": "^3.1.1"
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     "@babel/code-frame": {
       "version": "7.10.4",
diff --git a/universe.js b/universe.js
index 334becb1fc..0c17065431 100644
--- a/universe.js
+++ b/universe.js
@@ -9,7 +9,7 @@ import cameraManager from './camera-manager.js';
 import {makeTextMesh} from './vr-ui.js';
 import {parseQuery, parseCoord} from './util.js';
 import {arrowGeometry, arrowMaterial} from './shaders.js';
-import {landHost, homeScnUrl} from './constants.js';
+import {landHost, homeScnUrl, dialogUrl} from './constants.js';
 
 const localVector = new THREE.Vector3();
 const localVector2 = new THREE.Vector3();
@@ -243,23 +243,7 @@ const enterWorld = async worldSpec => {
     }
     if (room) {
       const p = (async () => {
-        const u = `https://worlds.exokit.org/${room}`;
-        const res = await fetch(u);
-        let j;
-        if (res.status === 404) {
-          const res2 = await fetch(u, {
-            method: 'POST',
-          });
-          j = await res2.json();
-          j = j.result;
-        } else if (res.ok) {
-          j = await res.json();
-          j = j.result;
-        } else {
-          throw new Error('failed to connect to server: ' + res.status);
-        }
-        const {publicIp, privateIp, port} = j;
-        await world.connectRoom(room, `worlds.exokit.org:${port}`);
+        await world.connectRoom(room, dialogUrl);
       })();
       promises.push(p);
     }
diff --git a/world.js b/world.js
index f9bf6c157a..aef09fc966 100644
--- a/world.js
+++ b/world.js
@@ -106,36 +106,41 @@ world.connectRoom = async (roomName, worldURL) => {
       channelConnection.setMicrophoneMediaStream(networkMediaStream);
     }
     
-    if (live) {
-      interval = setInterval(() => {
-        const name = loginManager.getUsername();
-        const avatarSpec = loginManager.getAvatar();
-        const avatarUrl = avatarSpec && avatarSpec.url;
-        const avatarExt = avatarSpec && avatarSpec.ext;
-        const address = loginManager.getAddress();
-        const aux = rigManager.localRig?.aux.getPose();
-        channelConnection.send(JSON.stringify({
-          method: 'status',
-          data: {
-            peerId: channelConnection.connectionId,
-            status: {
-              name,
-              avatarUrl,
-              avatarExt,
-              address,
-              aux,
-            },
-          },
-        }));
-        const pose = rigManager.getLocalAvatarPose();
-        channelConnection.send(JSON.stringify({
-          method: 'pose',
-          data: {
-            pose,
+
+    interval = setInterval(() => {
+      const name = loginManager.getUsername();
+      const avatarSpec = loginManager.getAvatar();
+      const avatarUrl = avatarSpec && avatarSpec.url;
+      const avatarExt = avatarSpec && avatarSpec.ext;
+      const address = loginManager.getAddress();
+      const aux = rigManager.localRig?.aux.getPose();
+      channelConnection.send(JSON.stringify({
+        request: true,
+        id: Math.floor(Math.random() * Number.MAX_SAFE_INTEGER),
+        method: 'status',
+
+        data: {
+          peerId: channelConnection.connectionId,
+          status: {
+            name,
+            avatarUrl,
+            avatarExt,
+            address,
+            aux,
           },
-        }));
-      }, 10);
-    }
+        },
+      }));
+      const pose = rigManager.getLocalAvatarPose();
+      channelConnection.send(JSON.stringify({
+        request: true,
+        id: Math.floor(Math.random() * Number.MAX_SAFE_INTEGER),
+        method: 'pose',
+        data: {
+          pose,
+        },
+      }));
+    }, 10);
+  
 
     /* world.dispatchEvent(new MessageEvent('peersupdate', {
       data: Array.from(rigManager.peerRigs.values()),
@@ -152,8 +157,7 @@ world.connectRoom = async (roomName, worldURL) => {
     console.log('new peer connection', e);
 
     let microphoneMediaStream = null;
-    let live = true;
-
+  
     rigManager.addPeerRig(peerConnection.connectionId);
     const peerRig = rigManager.peerRigs.get(peerConnection.connectionId);
     peerRig.peerConnection = peerConnection;
@@ -162,7 +166,6 @@ world.connectRoom = async (roomName, worldURL) => {
       console.log('peer connection close');
       peerConnections.splice(peerConnections.indexOf(peerConnection), 1);
       rigManager.removePeerRig(peerConnection.connectionId);
-      live = false;
 
       /* world.dispatchEvent(new MessageEvent('peersupdate', {
         data: Array.from(rigManager.peerRigs.values()),
diff --git a/xrrtc.js b/xrrtc.js
index 22b7f2089e..d87275d7b9 100644
--- a/xrrtc.js
+++ b/xrrtc.js
@@ -1,16 +1,12 @@
 import RoomClient from './client/RoomClient.js';
 import Y from './yjs.js';
 
-/* const defaultIceServers = [
-  {'urls': 'stun:stun.stunprotocol.org:3478'},
-  {'urls': 'stun:stun.l.google.com:19302'},
-]; */
-
 const roomNumberStartIndex = '0'.charCodeAt(0);
-const roomNumberEndIndex = '9'.charCodeAt(0)+1;
+const roomNumberEndIndex = '9'.charCodeAt(0) + 1;
 const roomAlphabetStartIndex = 'A'.charCodeAt(0);
-const roomAlphabetEndIndex = 'Z'.charCodeAt(0)+1;
+const roomAlphabetEndIndex = 'Z'.charCodeAt(0) + 1;
 const roomIdLength = 4;
+
 function makeId() {
   let result = '';
   for (let i = 0; i < roomIdLength; i++) {
@@ -18,6 +14,7 @@ function makeId() {
       String.fromCharCode(roomNumberStartIndex + Math.floor(Math.random() * (roomNumberEndIndex - roomNumberStartIndex)))
     :
       String.fromCharCode(roomAlphabetStartIndex + Math.floor(Math.random() * (roomAlphabetEndIndex - roomAlphabetStartIndex)));
+
   }
   return result;
 }
@@ -28,10 +25,6 @@ class XRChannelConnection extends EventTarget {
 
     this.connectionId = makeId();
     this.peerConnections = [];
-    // this.dataChannel = null;
-    // this.open = true;
-
-    // console.log('local connection id', this.connectionId);
 
     const _getPeerConnectionIndex = peerConnectionId => this.peerConnections.findIndex(peerConnection => peerConnection.connectionId === peerConnectionId);
     const _getPeerConnection = peerConnectionId => {
@@ -52,187 +45,124 @@ class XRChannelConnection extends EventTarget {
       peerConnection.numStreams++;
       return peerConnection;
     };
-    /* const _removePeerConnection = peerConnectionId => {
-      const index = this.peerConnections.findIndex(peerConnection => peerConnection.connectionId === peerConnectionId);
-      if (index !== -1) {
-        this.peerConnections.splice(index, 1)[0].close();
-      } else {
-        console.warn('no such peer connection', peerConnectionId, this.peerConnections.map(peerConnection => peerConnection.connectionId));
-      }
-    }; */
 
     const {roomName = 'room'} = options;
     const dialogClient = new RoomClient({
-      url: `${url}?roomId=${roomName}&peerId=${this.connectionId}`
+      url: `${url}?roomId=${roomName}&peerId=${this.connectionId}`,
     });
-    /* dialogClient.addEventListener('addsend', async e => {
-      const {data: {dataProducer: {id, _dataChannel}}} = e;
-      // console.log('add send', _dataChannel);
-      if (_dataChannel.readyState !== 'open') {
-        await new Promise((accept, reject) => {
-          const _open = e => {
-            accept();
 
-            _dataChannel.removeEventListener('open', _open);
-          };
-          _dataChannel.addEventListener('open', _open);
-        });
-      }
-      this.dataChannel = _dataChannel;
-
-      this.dispatchEvent(new MessageEvent('open', {
-        data: {},
-      }));
-    });
-    dialogClient.addEventListener('removesend', e => {
-      const {data: {dataProducer: {id, _dataChannel}}} = e;
-      // console.log('remove send', _dataChannel);
-      this.dataChannel = null;
-    }); */
     dialogClient.addEventListener('newPeer', e => {
       const {id: peerId} = e.data;
+
       const peerConnection = _addPeerConnection(peerId);
     });
+
     dialogClient.addEventListener('peerClosed', e => {
       const {peerId} = e.data;
-      const peerConnection = this.peerConnections.find(peerConnection => peerConnection.connectionId === peerId);
-      // console.log('peer closed', e.data, peerId, peerConnection);
+      const peerConnection = this.peerConnections.find(
+        (peerConnection) => peerConnection.connectionId === peerId,
+      );
+
       if (peerConnection) {
         if (--peerConnection.numStreams <= 0) {
           peerConnection.close();
-          this.peerConnections.splice(this.peerConnections.indexOf(peerConnection), 1);
-        } /* else {
-          console.warn('keeping disconnected peer due to existing streams', peerConnection, peerConnection.numStreams);
-        } */
+          this.peerConnections.splice(
+            this.peerConnections.indexOf(peerConnection),
+            1,
+          );
+        }
       } else {
         console.warn('cannot find peer connection', peerConnection);
       }
     });
-    /* dialogClient.addEventListener('addreceive', e => {
-      console.log('got recv', e);
-    }); */
-    /* dialogClient.addEventListener('addreceive', e => {
-      const {data: {peerId, label, dataConsumer: {id, _dataChannel}}} = e;
-      // console.log('add data receive', peerId, label, _dataChannel);
-      const peerConnection = _addPeerConnection(peerId);
-      _dataChannel.addEventListener('message', e => {
-        const {data} = e;
-        peerConnection.dispatchEvent(new MessageEvent('message', {
-          data,
-        }));
-      });
-      _dataChannel.addEventListener('close', e => {
-        console.warn('data channel close', e);
-        // this.dataChannel = null;
-        if (--peerConnection.numStreams <= 0) {
-          peerConnection.close();
-          this.peerConnections.splice(this.peerConnections.indexOf(peerConnection), 1);
-        }
-      });
-    }); */
+
     dialogClient.addEventListener('addreceivestream', e => {
-      const {data: {peerId, consumer: {id, _track}}} = e;
+      const {
+        data: {
+          peerId,
+          consumer: {id, _track},
+        },
+      } = e;
       // console.log('add receive stream', peerId, _track);
       const peerConnection = _addPeerConnection(peerId);
-      peerConnection.dispatchEvent(new MessageEvent('addtrack', {
-        data: _track,
-      }));
-      _track.stop = (stop => function () {
-        const {readyState} = _track;
-        const result = stop.apply(this, arguments);
-        if (readyState === 'live') {
-          this.dispatchEvent(new MessageEvent('ended'));
-        }
-        return result;
-      })(_track.stop);
+      peerConnection.dispatchEvent(
+        new MessageEvent('addtrack', {
+          data: _track,
+        }),
+      );
+      _track.stop = ((stop) =>
+        function() {
+          const {readyState} = _track;
+          const result = stop.apply(this, arguments);
+          if (readyState === 'live') {
+            this.dispatchEvent(new MessageEvent('ended'));
+          }
+          return result;
+        })(_track.stop);
       _track.addEventListener('ended', e => {
         // console.warn('receive stream ended', e);
 
         if (--peerConnection.numStreams <= 0) {
           peerConnection.close();
-          this.peerConnections.splice(this.peerConnections.indexOf(peerConnection), 1);
-        } /* else {
-          console.warn('keeping closed stream peer peer due to existing streams', peerConnection, peerConnection.numStreams);
-        } */
+          this.peerConnections.splice(
+            this.peerConnections.indexOf(peerConnection),
+            1,
+          );
+        }
       });
     });
-    /* [
-      'initState',
-      'updateState',
-    ].forEach(m => {
-      dialogClient.addEventListener(m, e => {
-        this.dispatchEvent(new MessageEvent(m, {
-          data: e.data,
-        }));
-      });
-    }); */
+
     (async () => {
       await dialogClient.join();
-      await dialogClient.enableChatDataProducer();
-      // await dialogClient.enableMic();
-      // await dialogClient.enableWebcam();
     })();
+
     this.dialogClient = dialogClient;
 
     this.state = new Y.Doc();
     dialogClient._protoo._transport._ws.binaryType = 'arraybuffer';
     dialogClient._protoo._transport._ws.addEventListener('open', () => {
-      dialogClient._protoo._transport._ws.addEventListener('message', e => {
+      this.dispatchEvent(new MessageEvent('open'));
+
+      dialogClient._protoo._transport._ws.addEventListener('message', (e) => {
         if (e.data instanceof ArrayBuffer) {
           Y.applyUpdate(this.state, new Uint8Array(e.data));
-        } /* else {
-          console.log('got data', e.data);
-        } */
+        }
       });
-      /* dialogClient._protoo._transport._ws.addEventListener('close', () => {
-        this.state.off('update', _update);
-      }); */
-      const _update = b => {
+
+      const _update = (b) => {
         if (dialogClient._protoo._transport._ws.readyState === WebSocket.OPEN) {
           dialogClient._protoo._transport._ws.send(b);
         }
       };
       this.state.on('update', _update);
     });
-    ['status', 'pose', 'chat'].forEach(eventType => {
+    ['status', 'pose', 'chat'].forEach((eventType) => {
       dialogClient.addEventListener(eventType, e => {
-        const peerConnection = _getPeerConnection(e.data.peerId) || _addPeerConnection(e.data.peerId);
-        peerConnection.dispatchEvent(new MessageEvent(e.type, {
-          data: e.data,
-        }));
+        const peerConnection =
+          _getPeerConnection(e.data.peerId) ||
+          _addPeerConnection(e.data.peerId);
+
+        peerConnection.dispatchEvent(
+          new MessageEvent(e.type, {
+            data: e.data,
+          }),
+        );
       });
     });
   }
 
-  /* setState(key, value) {
-    this.dialogClient.setState(key, value);
-  }
-
-  deleteState(key) {
-    this.dialogClient.deleteState(key);
-  } */
-
   close() {
-    // this.open = false;
     this.dialogClient.close();
   }
 
-  /* disconnect() {
-    this.rtcWs.close();
-    this.rtcWs = null;
-
-    for (let i = 0; i < this.peerConnections.length; i++) {
-      this.peerConnections[i].close();
-    }
-    this.peerConnections.length = 0;
-  } */
-
   send(s) {
-    if (this.dialogClient._protoo._transport._ws.readyState === WebSocket.OPEN) {
+    if (
+      this.dialogClient._protoo._transport._ws.readyState === WebSocket.OPEN
+    ) {
       this.dialogClient._protoo._transport._ws.send(s);
     }
   }
-  
+
   async setMicrophoneMediaStream(mediaStream) {
     if (mediaStream) {
       await this.dialogClient.enableMic(mediaStream);
@@ -248,18 +178,15 @@ class XRPeerConnection extends EventTarget {
 
     this.connectionId = peerConnectionId;
     this.channelConnection = channelConnection;
-    // this.open = true;
   }
+
   close() {
-    // this.open = false;
-    this.dispatchEvent(new MessageEvent('close', {
-      data: {},
-    }));
+    this.dispatchEvent(
+      new MessageEvent('close', {
+        data: {},
+      }),
+    );
   }
 }
 
-export {
-  makeId,
-  XRChannelConnection,
-  XRPeerConnection,
-};
\ No newline at end of file
+export {makeId, XRChannelConnection, XRPeerConnection};