Changelog
Stay in touch with new updates and improvements in the Alchemy ecosystem.
SDK
- SDK v5 reference docs are now live. We recommend that
aa-sdkusers upgrade.@alchemy/wallet-apisis the recommended package for most users, with updated lower-level packages available for integrating directly with viem. - Added stricter selector checks in the MAv2 permission builder.
Rundler
- Fixed an initialization bug with flashblocks on fast block time networks (e.g., Xlayer).
Upgrades
- Injective Mainnet: evm-gateway v1.1.1
- Injective Testnet: evm-gateway v1.1.1, injective-core v1.19.0-beta
- Optimism Sepolia: op-geth v1.101701.0, op-node v1.16.11
- Sei Mainnet: seid v6.4.2
- Worldchain Mainnet: op-reth v1.11.3-2, op-node v1.16.11
- Worldchain Sepolia: op-reth v1.11.3-2, op-node v1.16.11
- Xlayer Mainnet: op-reth v0.0.4
- Xlayer Testnet: op-reth v0.0.4
Updates
- Added sponsored EIP-7702 undelegation for enterprise customers via wallet APIs. Learn more.
Upgrades
- Eth Mainnet: Geth v1.17.2, Lighthouse v8.1.3
- Injective Mainnet: injective-core v1.18.3
- Jovay Mainnet: jovay 0.12.1-rc1
- Jovay Testnet: jovay 0.12.1-rc1
- Rise Testnet: rise-node sha-f97ed60, op-node sha-83a4272
- Sei Testnet: seid v6.4.0
- Sonic Testnet: Sonic v2.1.4
- Stable Testnet: stabled cosmovisor-v1.7.1
- Starknet Mainnet: Pathfinder v0.22.2
- Starknet Sepolia: Pathfinder v0.22.2
Upgrades
- Aptos Mainnet: Aptos aptos-node-v1.42.1
- Arbitrum Sepolia: Arbitrum v3.9.8-4624977
- BSC Mainnet: Geth v1.7.2
- Polygon Mainnet: Bor v2.7.0
- Starknet Mainnet: Pathfinder v0.22.1
- Starknet Sepolia: Pathfinder v0.22.1
Dashboard
- Added a Solana product page in the dashboard with a one-click API sandbox and quickstart guides.
- Launched the Wallet API Debugging Dashboard for debugging wallet transactions across the full lifecycle (prepare, send, track), with AI-powered error explanations. Learn more.

New Chains
- Tempo Mainnet is now live and publicly available.
Upgrades
- Abstract Mainnet: Abstract v29.14.0
- Arbitrum Mainnet: Arbitrum v3.9.7-75e084e
- Base Mainnet: Opnode op-node/v1.16.9, Reth v1.5.1
- Polygon Amoy: Bor v2.7.0-beta3
- Sonic Mainnet: Sonic v2.1.6
- Starknet Sepolia: Starknet v0.22.0
- Zksync Sepolia: Zksync v29.14.0
Upgrades
- Aptos Mainnet: Aptos aptos-node-v1.41.9-hotfix
- Bsc Mainnet: Reth v0.0.8-beta
- Megaeth Mainnet: Megaeth v2.0.17
- Monad Mainnet: Monad 0.13.0
- Polygon Amoy: Erigon v3.5.0-beta2
- Story Aeneid: Geth v1.2.1, Story v1.5.2
- Added NFT API support for Robinhood Testnet across all NFT endpoints.
Updates
@alchemy/wallet-apisbeta released. This is the recommended replacement for@account-kit/wallet-client.
Upgrades
- Arbitrum Mainnet: Arbitrum v3.9.7-75e084e
- Arbitrum One: Arbitrum v3.9.7-75e084e
- Bsc Mainnet: Geth v1.6.7
- Eth Hoodi: Lighthouse v8.1.2
- Eth Mainnet: Lighthouse v8.1.2
- Eth Sepolia: Lighthouse v8.1.2
- Optimism Mainnet: Op Node op-node/v1.16.6
- Optimism Sepolia: Opnode op-node/v1.16.7, Reth v1.10.2
- Unichain Mainnet: Reth v1.10.2, Opnode op-node/v1.16.7
Upgrades
- Aptos Mainnet: Aptos aptos-node-v1.41.8
- Bsc Mainnet: Geth v1.7.0-alpha
- Eth Hoodi: Reth v1.10.2, Lighthouse v8.1.1
- Eth Mainnet: Lighthouse v8.1.1, Geth v1.16.9, Reth v1.10.2
- Eth Sepolia: Reth v1.10.2, Lighthouse v8.1.1, Geth v1.16.9
- Gnosis Mainnet: Erigon v3.3.8
- Optimism Mainnet: Op Node op-node/v1.16.6
Upgrades
- Aptos Mainnet: Aptos aptos-node-v1.41.5
- Astar Mainnet: Runtime runtime-2101
- Polygon Mainnet: Bor v2.6.0
Docs
- Rewrote the docs site from the ground up for better performance — 2.5x faster page loads on desktop.
Upgrades
- Aptos Mainnet: Aptos aptos-node-v1.40.4
- Astar Mainnet: Runtime runtime-2100
- Base Mainnet: Reth v1.10.2, Opgeth v1.101609.0, Opnode op-node/v1.16.6
- Base Sepolia: Opgeth v1.101609.0, Opnode op-node/v1.16.6
- Bsc Mainnet: Reth v0.0.7-beta
- Linea Mainnet: Besu v4.0-rc17-20251024131506-d32162b, Geth v1.16.9, Maru v1.1.0
- Linea Sepolia: Besu v4.0-rc17-20251024131506-d32162b, Geth v1.16.9, Maru v1.1.0
- Moonbeam Mainnet: Moonbeam v0.50.2
- Optimism Sepolia: Op Node op-node/v1.16.6
- Polygon Amoy: Erigon v3.4.0-beta2, Bor v2.6.0-beta2
- Polygon Mainnet: Bor v2.5.9
- Soneium Mainnet: Op Node op-node/v1.16.6
- Soneium Sepolia: Op Node op-node/v1.16.6
- Sui Mainnet: Sui mainnet-v1.65.2
- Tac Mainnet: Tac v1.0.2
- Tac Spb: Tac v1.0.2
- Unichain Mainnet: Op Node op-node/v1.16.6
- Unichain Sepolia: Op Node op-node/v1.16.6
- Worldchain Mainnet: Op Node op-node/v1.16.6