diff --git a/dist/browser/helia/helia-for-pkc.js b/dist/browser/helia/helia-for-pkc.js
index e6821667b0601ac56a850e989bfedf76c14796a2..1a2ae7ab9b0afc605c9b4dcddccf25ac02aa1337 100644
--- a/dist/browser/helia/helia-for-pkc.js
+++ b/dist/browser/helia/helia-for-pkc.js
@@ -145,6 +145,11 @@ export async function createLibp2pJsClientOrUseExistingOne(pkcOptions) {
             warmupPromisesByTopic.set(topic, p);
             return p;
         };
+        const ignoreBestEffortPubsubWarmupError = (operation, topic, err, options) => {
+            if (options?.signal?.aborted)
+                throw err;
+            log.error(`Best-effort pubsub peer warmup failed before ${operation} on topic`, topic, err);
+        };
         const throwIfHeliaIsStoppingOrStopped = () => {
             if (helia.libp2p.status === "stopped" || helia.libp2p.status === "stopping")
                 throw new PKCError("ERR_HELIAS_STOPPING_OR_STOPPED", {
@@ -290,8 +295,13 @@ export async function createLibp2pJsClientOrUseExistingOne(pkcOptions) {
                     if (!wasAlreadySubscribed)
                         helia.libp2p.services.pubsub.subscribe(topic);
                     try {
-                        await warmupForTopic(topic, options);
-                        const res = await helia.libp2p.services.pubsub.publish(topic, data);
+                        try {
+                            await warmupForTopic(topic, options);
+                        }
+                        catch (err) {
+                            ignoreBestEffortPubsubWarmupError("publish", topic, err, options);
+                        }
+                        const res = await helia.libp2p.services.pubsub.publish(topic, data, { allowPublishToZeroTopicPeers: true });
                         log("Published new data to pubsub topic (string, e.g. community address)", topic, "Direct gossipsub recipients (libp2p peer IDs, NOT signer/community addresses):", res.recipients.map((p) => p.toString()));
                     }
                     finally {
@@ -314,7 +324,12 @@ export async function createLibp2pJsClientOrUseExistingOne(pkcOptions) {
                     // locally subscribed to).
                     const warmupPromise = warmupForTopic(topic, options);
                     helia.libp2p.services.pubsub.subscribe(topic);
-                    await warmupPromise;
+                    try {
+                        await warmupPromise;
+                    }
+                    catch (err) {
+                        ignoreBestEffortPubsubWarmupError("subscribe", topic, err, options);
+                    }
                 },
                 unsubscribe: async (topic, handler, options) => {
                     throwIfHeliaIsStoppingOrStopped();
diff --git a/dist/browser/publications/publication.js b/dist/browser/publications/publication.js
index 5e17c02a39c2715c7ac932695fe90d5078bce405..2d43d996e2b3cdab759e89c296eb9ed8aae857db 100644
--- a/dist/browser/publications/publication.js
+++ b/dist/browser/publications/publication.js
@@ -842,8 +842,14 @@ class Publication extends TypedEmitter {
                 await new Promise((resolve) => setTimeout(resolve, this._setProviderFailureThresholdSeconds * 1000));
                 if (this._isAllAttemptsExhausted(providers.length)) {
                     await this._postSucessOrFailurePublishing();
-                    const allAttemptsFailedError = new PKCError("ERR_ALL_PUBSUB_PROVIDERS_THROW_ERRORS", {
-                        challengeExchanges: this._challengeExchangesFormattedForErrors(),
+                    const challengeExchanges = this._challengeExchangesFormattedForErrors();
+                    const didEveryAttemptThrow = challengeExchanges.length > 0 &&
+                        challengeExchanges.every((exchange) => exchange.challengeRequestPublishError);
+                    const allAttemptsFailedError = new PKCError(didEveryAttemptThrow
+                        ? "ERR_ALL_PUBSUB_PROVIDERS_THROW_ERRORS"
+                        : "ERR_PUBSUB_DID_NOT_RECEIVE_RESPONSE_AFTER_PUBLISHING_CHALLENGE_REQUEST", {
+                        challengeExchanges,
+                        publishToDifferentProviderThresholdSeconds: this._publishToDifferentProviderThresholdSeconds,
                         pubsubTopic: this._communityPubsubTopicWithFallback(),
                         providerHeliaContexts: this._libp2pJsClientHeliaContexts()
                     });
diff --git a/dist/browser/runtime/browser/libp2p-extra-transports.js b/dist/browser/runtime/browser/libp2p-extra-transports.js
index 1b7028978d1da8c3f78e9b4d18e790a3ad025e25..2b8eff3ce509cff57ac5be3d31b26b38a5301a52 100644
--- a/dist/browser/runtime/browser/libp2p-extra-transports.js
+++ b/dist/browser/runtime/browser/libp2p-extra-transports.js
@@ -1,3 +1,4 @@
-const extraLibp2pTransports = [];
+import { webTransport } from "@libp2p/webtransport";
+const extraLibp2pTransports = typeof globalThis.WebTransport === "function" ? [webTransport()] : [];
 export default extraLibp2pTransports;
 //# sourceMappingURL=libp2p-extra-transports.js.map
diff --git a/package.json b/package.json
index 2a44f27220191ee556a317bf25005b7fcbde6aaa..335ee82cc7e9850eb1bc036b2a481ae5a575eabd 100644
--- a/package.json
+++ b/package.json
@@ -78,6 +78,7 @@
         "@libp2p/identify": "4.1.3",
         "@libp2p/interface": "3.2.2",
         "@libp2p/peer-id": "6.0.8",
+        "@libp2p/webtransport": "6.0.0",
         "@multiformats/multiaddr": "13.0.1",
         "@noble/curves": "2.2.0",
         "@pkcprotocol/pkc-logger": "0.1.0",