diff --git a/package.json b/package.json
index 2227f2c9a..0cb3d7827 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@across-protocol/sdk",
   "author": "UMA Team",
-  "version": "3.1.30",
+  "version": "3.1.32",
   "license": "AGPL-3.0",
   "homepage": "https://docs.across.to/reference/sdk",
   "files": [
diff --git a/src/caching/Arweave/ArweaveClient.ts b/src/caching/Arweave/ArweaveClient.ts
index cb2468d5b..33efa21bb 100644
--- a/src/caching/Arweave/ArweaveClient.ts
+++ b/src/caching/Arweave/ArweaveClient.ts
@@ -175,13 +175,21 @@ export class ArweaveClient {
     });
     const results = await Promise.all(
       entries.map(async (edge) => {
-        const data = await this.get<T>(edge.node.id, validator);
-        return isDefined(data)
-          ? {
-              data,
-              hash: edge.node.id,
-            }
-          : null;
+        try {
+          const data = await this.get<T>(edge.node.id, validator);
+          return isDefined(data)
+            ? {
+                data,
+                hash: edge.node.id,
+              }
+            : null;
+        } catch (e) {
+          this.logger.warn({
+            at: "ArweaveClient:getByTopic",
+            message: `Bad request for Arweave topic ${edge.node.id}: ${e}`,
+          });
+          return null;
+        }
       })
     );
     return results.filter(isDefined);
diff --git a/src/clients/SpokePoolClient.ts b/src/clients/SpokePoolClient.ts
index 75c082862..f82490c3c 100644
--- a/src/clients/SpokePoolClient.ts
+++ b/src/clients/SpokePoolClient.ts
@@ -32,7 +32,7 @@ import {
   RelayerRefundExecutionWithBlock,
   RootBundleRelayWithBlock,
   SlowFillRequestWithBlock,
-  SpeedUp,
+  SpeedUpWithBlock,
   TokensBridged,
   V3FundsDepositedEvent,
 } from "../interfaces";
@@ -67,7 +67,7 @@ export class SpokePoolClient extends BaseAbstractClient {
   protected oldestTime = 0;
   protected depositHashes: { [depositHash: string]: DepositWithBlock } = {};
   protected depositHashesToFills: { [depositHash: string]: FillWithBlock[] } = {};
-  protected speedUps: { [depositorAddress: string]: { [depositId: number]: SpeedUp[] } } = {};
+  protected speedUps: { [depositorAddress: string]: { [depositId: number]: SpeedUpWithBlock[] } } = {};
   protected slowFillRequests: { [relayDataHash: string]: SlowFillRequestWithBlock } = {};
   protected depositRoutes: { [originToken: string]: { [DestinationChainId: number]: boolean } } = {};
   protected tokensBridged: TokensBridged[] = [];
@@ -296,7 +296,7 @@ export class SpokePoolClient extends BaseAbstractClient {
    * Retrieves speed up requests grouped by depositor and depositId.
    * @returns A mapping of depositor addresses to deposit ids with their corresponding speed up requests.
    */
-  public getSpeedUps(): { [depositorAddress: string]: { [depositId: number]: SpeedUp[] } } {
+  public getSpeedUps(): { [depositorAddress: string]: { [depositId: number]: SpeedUpWithBlock[] } } {
     return this.speedUps;
   }
 
@@ -592,7 +592,8 @@ export class SpokePoolClient extends BaseAbstractClient {
       const speedUpEvents = [...(queryResults[eventsToQuery.indexOf("RequestedSpeedUpV3Deposit")] ?? [])];
 
       for (const event of speedUpEvents) {
-        const speedUp: SpeedUp = { ...spreadEvent(event.args), originChainId: this.chainId };
+        const rawEvent = spreadEventWithBlockNumber(event);
+        const speedUp = { ...rawEvent, originChainId: this.chainId } as SpeedUpWithBlock;
         assign(this.speedUps, [speedUp.depositor, speedUp.depositId], [speedUp]);
 
         // Find deposit hash matching this speed up event and update the deposit data associated with the hash,
diff --git a/src/interfaces/SpokePool.ts b/src/interfaces/SpokePool.ts
index 27e68da92..38b0af70f 100644
--- a/src/interfaces/SpokePool.ts
+++ b/src/interfaces/SpokePool.ts
@@ -74,6 +74,8 @@ export interface SpeedUp {
   updatedMessage: string;
 }
 
+export interface SpeedUpWithBlock extends SpeedUp, SortableEvent {}
+
 export interface SlowFillRequest extends RelayData {
   destinationChainId: number;
 }
diff --git a/src/providers/retryProvider.ts b/src/providers/retryProvider.ts
index b99daf2d6..436be8449 100644
--- a/src/providers/retryProvider.ts
+++ b/src/providers/retryProvider.ts
@@ -41,6 +41,18 @@ export class RetryProvider extends ethers.providers.StaticJsonRpcProvider {
           ...inputs
         )
     );
+
+    // This is added for interim testing to see whether relayer fill performance improves.
+    this.providers.forEach((provider) => {
+      const url = getOriginFromURL(provider.connection.url);
+      const { pollingInterval } = provider;
+      provider.pollingInterval = 1000;
+      logger?.debug({
+        at: "RetryProvider",
+        message: `Dropped ${url} pollingInterval ${pollingInterval} -> ${provider.pollingInterval}.`,
+      });
+    });
+
     if (this.nodeQuorumThreshold < 1 || !Number.isInteger(this.nodeQuorumThreshold)) {
       throw new Error(
         `nodeQuorum,Threshold cannot be < 1 and must be an integer. Currently set to ${this.nodeQuorumThreshold}`
diff --git a/src/providers/utils.ts b/src/providers/utils.ts
index b1a6a9270..b57ff762e 100644
--- a/src/providers/utils.ts
+++ b/src/providers/utils.ts
@@ -102,6 +102,8 @@ const IGNORED_FIELDS = {
     "l1BatchTimestamp", // zkSync
     "size", // Alchemy/Arbitrum (temporary)
     "totalDifficulty", // Quicknode/Alchemy (sometimes)
+    "logsBloom", // zkSync (third-party providers return 0x0..0)
+    "transactions", // Polygon yParity field in transactions[]
   ],
   eth_getLogs: ["blockTimestamp", "transactionLogIndex", "l1BatchNumber", "logType"],
 };
diff --git a/test/common.test.ts b/test/common.test.ts
index 4f01e12d9..d02fcefb4 100644
--- a/test/common.test.ts
+++ b/test/common.test.ts
@@ -41,7 +41,7 @@ describe("Utils test", () => {
     const relayerAddress = DEFAULT_SIMULATED_RELAYER_ADDRESS;
 
     // @todo: Ensure that NODE_URL_1 is always defined in test CI?
-    const rpcUrl = process.env.NODE_URL_1 ?? "https://cloudflare-eth.com";
+    const rpcUrl = process.env.NODE_URL_1 ?? "https://mainnet.gateway.tenderly.co";
     const provider = new providers.JsonRpcProvider(rpcUrl, 1);
     const spokePool: SpokePool = SpokePool__factory.connect(spokePoolAddress, provider);
 
@@ -53,7 +53,7 @@ describe("Utils test", () => {
       await estimateTotalGasRequiredByUnsignedTransaction(fill, relayerAddress, provider, 0.0, gasPrice);
     expect(toBN(refGasEstimate).eq(toBN(refGasCost).mul(gasPrice))).to.be.true;
 
-    for (let gasMarkup = -0.99; gasMarkup <= 4.0; gasMarkup += 0.33) {
+    for (let gasMarkup = -0.99; gasMarkup <= 1.0; gasMarkup += 0.33) {
       const { nativeGasCost, tokenGasCost } = await estimateTotalGasRequiredByUnsignedTransaction(
         fill,
         relayerAddress,