# Developer News

> Release notes for the Fusion SDK and CLI, the MCP server, the website and the smart contracts, including new fuses, factories and deployments.

Source: https://ipor.io/developer-news

Release notes for builders on Fusion. This page is dedicated to updates about releases of the Python SDK and the fusion CLI, improvements to the MCP server and the website, new features, and new fuses, factories and contract deployments.

- [SDK & CLI v3.16.0](https://ipor.io/developer-news/sdk-cli-v3-16-0.md) (2026-10-14, SDK/CLI v3.16.0): Transaction builds can be pinned to a block, so a preview matches a simulation at the same block.
- [Smart contracts: Compound V3 USDC borrowing on Base](https://ipor.io/developer-news/smart-contracts-2026-10-14-compound-v3-base.md) (2026-10-14, Smart Contracts): Vaults on Base can borrow from the Compound V3 USDC market and value the position through the price oracle.
- [SDK & CLI v3.14.0 – v3.14.1](https://ipor.io/developer-news/sdk-cli-2026-10-13.md) (2026-10-13, SDK/CLI v3.14.0 – v3.14.1): Event history can be read from an indexer, and revert errors from newer node software are recognised.
- [Smart contracts: Fusion Factory v9 on Ethereum](https://ipor.io/developer-news/smart-contracts-2026-10-13-factory-v9-ethereum.md) (2026-10-13, Smart Contracts v9): New vaults on Ethereum get an emergency pauser and can batch their rewards flow into one transaction.
- [MCP server v3.13.0](https://ipor.io/developer-news/mcp-v3-13-0.md) (2026-10-12, MCP v3.13.0): New tool: vault_validate checks a vault's configuration, the MCP twin of fusion vault validate.
- [SDK & CLI v3.11.1 – v3.13.0](https://ipor.io/developer-news/sdk-cli-2026-10-12.md) (2026-10-12, SDK/CLI v3.11.1 – v3.13.0): New fusion vault validate command, and public JSON APIs for vault information and Morpho markets.
- [SDK & CLI v3.10.0 – v3.11.0](https://ipor.io/developer-news/sdk-cli-2026-10-09.md) (2026-10-09, SDK/CLI v3.10.0 – v3.11.0): The vault tooling now supports Unichain, Plasma, Avalanche, Katana and Monad, with a new HyperCore cross-chain example and Aave V4 health per Spoke.
- [MCP server v3.10.0](https://ipor.io/developer-news/mcp-v3-10-0.md) (2026-10-09, MCP v3.10.0): server_info lists the preview features of the installed package.
- [Website update: build a vault with an AI agent](https://ipor.io/developer-news/website-2026-10-07.md) (2026-10-07, Website): A new page shows how to build and run a Fusion vault with an AI agent, and code in articles gets a copy button.
- [SDK & CLI v3.9.0](https://ipor.io/developer-news/sdk-cli-v3-9-0.md) (2026-10-06, SDK/CLI v3.9.0): The fusion CLI can inspect vaults on HyperEVM, and simulations model HyperCore.
- [SDK & CLI v3.8.0](https://ipor.io/developer-news/sdk-cli-v3-8-0.md) (2026-10-05, SDK/CLI v3.8.0): Preview: Fusion vaults on different chains can now work together over Chainlink CCIP and Stargate.
- [Website update: a contact page](https://ipor.io/developer-news/website-2026-10-05.md) (2026-10-05, Website): ipor.io has its own contact page, and every Contact Us button leads there.
- [SDK & CLI v3.7.0](https://ipor.io/developer-news/sdk-cli-v3-7-0.md) (2026-10-02, SDK/CLI v3.7.0): Support for off-chain positions (External State) grows, and Python 3.11 or newer is now required.
- [SDK & CLI v3.6.11](https://ipor.io/developer-news/sdk-cli-v3-6-11.md) (2026-09-29, SDK/CLI v3.6.11): Flash-loan callback handlers can be configured from the SDK, with a new Euler V2 looping example on Arbitrum.
- [Smart contracts: Fusion Factory v9 and Aave V4 on Base](https://ipor.io/developer-news/smart-contracts-2026-09-28-base.md) (2026-09-28, Smart Contracts v9): Fusion Factory v9 with an emergency pauser on Base, and Aave V4 fuses for supply, collateral and borrowing.
- [Smart contracts: Fusion Factory v9 on HyperEVM](https://ipor.io/developer-news/smart-contracts-2026-09-25-factory-v9-hyperevm.md) (2026-09-25, Smart Contracts v9): New vaults on HyperEVM get an emergency pauser and can batch their rewards flow into one transaction.
- [Smart contracts: Fusion Factory v9 on Arbitrum](https://ipor.io/developer-news/smart-contracts-2026-09-24-factory-v9-arbitrum.md) (2026-09-24, Smart Contracts v9): New vaults on Arbitrum get an emergency pauser and can batch their rewards flow into one transaction.
- [MCP server v3.6.10](https://ipor.io/developer-news/mcp-v3-6-10.md) (2026-09-24, MCP v3.6.10): The config_show tool no longer returns the full node URL.
- [SDK & CLI v3.6.10](https://ipor.io/developer-news/sdk-cli-v3-6-10.md) (2026-09-24, SDK/CLI v3.6.10): Vault reads are batched into a single request, so fetching vault information needs fewer calls to your node.
- [Smart contracts: Compound V3 USDC on Ethereum](https://ipor.io/developer-news/smart-contracts-2026-09-18-compound-v3-ethereum.md) (2026-09-18, Smart Contracts): Vaults on Ethereum can supply to and borrow from the Compound V3 USDC market and claim its rewards.
- [Website update: cookie choices you can change at any time](https://ipor.io/developer-news/website-2026-09-17.md) (2026-09-17, Website): Visitors can reopen the cookie banner from the footer, and declining cookies now takes effect at once.
- [SDK & CLI v3.6.9](https://ipor.io/developer-news/sdk-cli-v3-6-9.md) (2026-09-14, SDK/CLI v3.6.9): Creating a vault with the SDK now reads the new vault's addresses from the confirmed transaction.
