Changelog

Stay in touch with new updates and improvements in the Alchemy ecosystem.
October 2, 2025

Wallets

Shipped a recipe for programmatic wallet creation.

Rollups

  • Gensyn Mainnet launched, network focused on distributed AI training.
  • Scaled World to an 80M block gas limit, which at times surpasses Base’s throughput.

Node

Upgrades

  • Astar Mainnet: Runtime runtime-1800
  • Base Mainnet: Opnode op-node/v1.13.7, Reth v1.8.1, Opreth Flashblocks v0.1.8
  • Base Sepolia: Opnode op-node/v1.13.7, Reth v1.8.1, Opreth Flashblocks v0.1.8
  • Eth Holesky: Reth v1.8.2, Lighthouse v8.0.0-rc.0
  • Eth Hoodi: Reth v1.8.1, Lighthouse v8.0.0-rc.0
  • Optimism Mainnet: Opnode op-node/v1.13.6, Reth v0.1.8, Opreth Flashblocks v0.1.8
  • Polygon Mainnet: Heimdall v0.4.0, Bor v2.3.0, Erigon v3.1.1
  • Provisioning Ephemeral: Op Node op-node/v1.13.6
  • Solana Mainnet: Solana 2.3.6, Yellowstone Grpc Plugin v9.0.0+solana.2.3.6, Nats Plugin HEAD, Jito HEAD
  • Worldchain Mainnet: Op Node op-node/v1.13.6
September 25, 2025

Developer Experience

Dashboard

  • Fixes and reliability improvements to Webhooks
  • Automatic creation of smart wallets configs upon app creation for faster integration

Docs

Wallets

Shipped Server Wallets. Server wallets enable backend applications to programmatically control wallets using access keys, without requiring interactive authentication. This is perfect for automated systems, batch operations, or when you need to sign transactions from your backend.

Node

Upgrades

September 18, 2025

Developer Experience

Custom usage alerts are back.

  • Existing usage alerts have been re-enabled.
  • Pay-as-you-go and Enterprise developers are now able to create new usage alerts by setting usage thresholds in CUs or dollars.

Redesigned dashboard to streamline navigation between apps:

  • Select an app to see its metrics, services (node, wallets, rollups, webhooks, etc.), and settings.
  • Easily switch between apps with the new header.
  • All your account settings in one place: usage, billing, and more.

Wallets

Shipped a big docs update that includes:

  • Transactions docs overhaul.
    • New guides for sending parallel transactions and retrying stuck transactions.
    • Added and improved docs for swap API and transaction batching.
    • Enhanced Solana gas sponsorship docs.
  • Fixed and standardized broken links, slugs, and relative paths across wallets docs.

Node

Upgrades

September 11, 2025

Rollups

  • OP Stack: Batcher v1.15.0 on all chains — Upgraded all chains to the latest batcher with smoother, configurable sequencer throttling to better handle DA bottlenecks.

Developer Experience

  • Docs changes — Added docs for the following chains: Rise & WorldMobileChain. This includes quickstarts, faq guides and API pages.

Node

Upgrades

September 4, 2025

Wallets

  • AA-SDK: smarter clients & a new status hook — Refactored hooks to work directly with smart wallet clients, improved client tracking and error handling and added useWaitForCallsStatus for polling call statuses.
  • Wallets Docs — New React quickstart plus Tailwind/setup guides; clearer external wallet integration & customization flows; updated OpenID/OIDC & JWT docs;

Rollups

  • Arbitrum Orbit: BoLD support (rolling out) — Upgrading Arbitrum Orbit rollups to support BoLD, Arbitrum’s new dispute protocol that enables permissionless validation of chain state for stronger security and decentralization. Rollout has begun on select chains, with more to follow.
  • More resilient block building — Improvements to block building reliability when there are issues connecting to the Beacon Chain.

Developer Experience

  • Easier quickstart with Rollups in dashboard — Added a step-by-step quickstart guide to Rollups tab so you can get started with it easily.
  • Docs updates - Added missing chain docs (XMTP, tea, settlus, rise, ronin, frax, zora, degen, gensyn), deprecated Geist chain, added flashblocks quickstart guide to OP Mainnet & updated eth_getLogs blockrange limit for free tier.

Node Upgrades

August 28, 2025

Node

Upgrades

Wallets

  • OIDC access tokens — user.accessToken now available in aa-sdk post-OIDC authentication to fetch additional user info.
  • Docs Improvements — New Authentication and Transactions overview pages, navigation cleanup & Getting Started for modular accounts now includes installing ERC-6900 plugins.
August 21, 2025

Node

Upgrades

Wallets

  • New Funding page (Wallets in Dashboard) — Fund crypto wallets with traditional payment methods. Convert fiat to stablecoins and cryptocurrency using credit cards, bank transfers, or ACH. Funding page
  • Solana external wallets supported; SDK login modal is more customizable.
  • ERC-20 gas sponsorship is now exposed as a capability in the new Wallet APIs (feature existed previously; this surfaces it in the API).
  • EIP-1193 / EIP-5792 compliance: added handler for wallet_getCapabilities.
  • Custom JWT auth in account-kit; services can infer auth provider from project config UUID.
  • Experimental multi-owner user deletion in SDK and APIs.
  • Security & Identity: stronger MFA (unified OTP handlers); OIDC can return access tokens; OAuth custom providers support audience; added OIDC discovery endpoint.
  • Reliability & fixes: corrected permit-deadline parsing in paymaster services.
  • Wallets Docs Big Improvements — Full redesign to a feature-first information architecture with redesigned navigation and clearer flows, including new guides like conditional gas sponsorship.

Rollups

  • Tea mainnet launched — network focused on rewarding open-source contributors.

Developer Experience

  • Improvements to the billing page to make it easier for admins to update their billing details
  • New MCP Server setup guide to allow AI agents and tools to directly query and analyze blockchain data.
  • Flashbots on Unichain quickstart.
  • Eth Beacon API methods documentation.
  • Celo: FAQ updated for migration to Celo Sepolia.