Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.NomicFoundation/hardhat on GitHub
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We recently talked about the massive progress we’ve been making with slang-solx , slang 's LLVM backend, in terms of faster compilation times and providing a better UX for Ethereum developers.Hardhat
Changes. #8693 98db1b3 Thanks @schaable! - Removed the deprecated readJsonFileAsStream, writeJsonFileAsStream and getFileTrueCase; use readJsonFile, writeLargeJsonFile and TrueCasePathResolver instead.Hardhat release notes
Changes. #8624 e50cc73 Thanks @ChristopherDedominici! - Updated mocha to ^12.0.0. Updated dependencies: @nomicfoundation/hardhat-errors@3.1.0 · @nomicfoundation/hardhat-utils@4.3.0 · The Nomic Foundation is hiring! Check our open positions.Hardhat release notes
Ethereum development needs to be faster. Today we're releasing hardhat-slang-solx , a Hardhat plugin that swaps in Nomic Foundation’s new Solidity compiler backend: slang-solx.Hardhat
We're continuing to shine a spotlight on the people building and shaping the Nomic Foundation. Meet Teodoro Freund — Software Engineer on Slang at Nomic Foundation. What is your name, and what do you do at Nomic? Hello, I’m Teodoro Freund and I’m aHardhat
With Hardhat 3 stable and production ready, we are introducing an end of life policy for Hardhat 2, as the Node.js ecosystem moves beyond the CommonJS module system it uses. Hardhat 2 will be upgraded to support the Glamsterdam hardfork.Hardhat
Hardhat 3 shipped as a beta on August 2025, with a major overhaul: Solidity tests as first-class, multichain support, a performant Rust-powered runtime via EDR, a revamped build system, and Hardhat Ignition for deployments.Hardhat
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