diff --git a/relay-angular-chat/package.json b/relay-angular-chat/package.json
index 04041e5..9ff766c 100644
--- a/relay-angular-chat/package.json
+++ b/relay-angular-chat/package.json
@@ -21,7 +21,7 @@
     "@angular/platform-browser": "~14.2.0",
     "@angular/platform-browser-dynamic": "~14.2.0",
     "@angular/router": "~14.2.0",
-    "js-waku": "0.28.1",
+    "js-waku": "0.29.0",
     "protobufjs": "^7.1.0",
     "rxjs": "~7.5.0",
     "tslib": "^2.3.0",
diff --git a/relay-angular-chat/pnpm-lock.yaml b/relay-angular-chat/pnpm-lock.yaml
index b0dc8ee..79ed1af 100644
--- a/relay-angular-chat/pnpm-lock.yaml
+++ b/relay-angular-chat/pnpm-lock.yaml
@@ -16,7 +16,7 @@ specifiers:
   '@types/node': ^17.0.21
   is-ci-cli: ^2.2.0
   jasmine-core: ~4.3.0
-  js-waku: 0.28.1
+  js-waku: 0.29.0
   karma: ~6.4.0
   karma-chrome-launcher: ~3.1.0
   karma-coverage: ~2.2.0
@@ -37,7 +37,7 @@ dependencies:
   '@angular/platform-browser': 14.2.0_afytwol7hs4qio34buyx2grhfa
   '@angular/platform-browser-dynamic': 14.2.0_owch6soaoexeadly32xw5vendq
   '@angular/router': 14.2.0_6lk4yxyxfaqzosenawf2bqx6vy
-  js-waku: 0.28.1
+  js-waku: 0.29.0
   protobufjs: 7.1.0
   rxjs: 7.5.6
   tslib: 2.4.0
@@ -5440,8 +5440,8 @@ packages:
     resolution: {integrity: sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==}
     dev: true
 
-  /js-waku/0.28.1:
-    resolution: {integrity: sha512-0h9TpV6jywyjdes8hr9tFV/5iJh3LQN3sQFYHcXyi4cK+4htNiMrCRjBSqRBtfhs/j+4tOkrht8gRJRLHdA5RA==}
+  /js-waku/0.29.0:
+    resolution: {integrity: sha512-44GOpNbkFt/1/bDZ3tcaeemehaZaxw404QmTvHw7FUwY6dtvGsDEERLEw1TERUljDESFjvEOcJjYnLcNDY1MHg==}
     engines: {node: '>=16'}
     dependencies:
       '@chainsafe/libp2p-gossipsub': 4.1.1
diff --git a/relay-angular-chat/src/app/messages/messages.component.ts b/relay-angular-chat/src/app/messages/messages.component.ts
index 7b3cdd8..f3204ec 100644
--- a/relay-angular-chat/src/app/messages/messages.component.ts
+++ b/relay-angular-chat/src/app/messages/messages.component.ts
@@ -1,8 +1,9 @@
 import { Component, OnInit } from "@angular/core";
 import { WakuService } from "../waku.service";
-import { WakuMessage } from "js-waku";
 import type { WakuPrivacy } from "js-waku/lib/interfaces";
 import protobuf from "protobufjs";
+import { DecoderV0, EncoderV0 } from "js-waku/lib/waku_message/version_0";
+import type { MessageV0 } from "js-waku/lib/waku_message/version_0";
 
 const ProtoChatMessage = new protobuf.Type("ChatMessage")
   .add(new protobuf.Field("timestamp", 1, "uint32"))
@@ -20,13 +21,18 @@ interface MessageInterface {
 })
 export class MessagesComponent implements OnInit {
   contentTopic: string = `/js-waku-examples/1/chat/proto`;
+  decoder: DecoderV0;
+  encoder: EncoderV0;
   messages: MessageInterface[] = [];
   messageCount: number = 0;
   waku!: WakuPrivacy;
   wakuStatus!: string;
   deleteObserver?: () => void;
 
-  constructor(private wakuService: WakuService) {}
+  constructor(private wakuService: WakuService) {
+    this.decoder = new DecoderV0(this.contentTopic);
+    this.encoder = new EncoderV0(this.contentTopic);
+  }
 
   ngOnInit(): void {
     this.wakuService.wakuStatus.subscribe((wakuStatus) => {
@@ -36,8 +42,8 @@ export class MessagesComponent implements OnInit {
     this.wakuService.waku.subscribe((waku) => {
       this.waku = waku;
       this.deleteObserver = this.waku.relay.addObserver(
-        this.processIncomingMessages,
-        [this.contentTopic]
+        this.decoder,
+        this.processIncomingMessages
       );
     });
 
@@ -57,16 +63,13 @@ export class MessagesComponent implements OnInit {
     });
 
     const payload = ProtoChatMessage.encode(protoMsg).finish();
-
-    WakuMessage.fromBytes(payload, this.contentTopic).then((wakuMessage) => {
-      this.waku.relay.send(wakuMessage).then(() => {
-        console.log(`Message #${this.messageCount} sent`);
-        this.messageCount += 1;
-      });
+    this.waku.relay.send(this.encoder, { payload }).then(() => {
+      console.log(`Message #${this.messageCount} sent`);
+      this.messageCount += 1;
     });
   }
 
-  processIncomingMessages = (wakuMessage: WakuMessage) => {
+  processIncomingMessages = (wakuMessage: MessageV0) => {
     if (!wakuMessage.payload) return;
 
     const { text, timestamp } = ProtoChatMessage.decode(