[email protected]

This Hardhat 3 Alpha release is a collection of small improvements with one breaking change, specifically isolated is now a config option in the build profile and we removed the --isolated flag.

Changes

• 65e26fd: Update comments and readme on template projects (#7149)
• 813237a: Update how production profiles are derived from the default config (#7154)
• 1a0b064: Improve the error message for syntax errors found in the Hardhat config file (#7056)
• bf2d771: Added isolated config option to the build profile configuration (#7125) and remove the --isolated flag.

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[email protected]

This Hardhat 3 Alpha release includes some small changes and support for native solc on Linux arm64.

Changes

• 76674de: Print error's cause when showing stack traces
• a657c61: Fix an error descriptor
• 8bd46cb: Stop solidity tests being recompiled unnecessarily (#7116)
• e861a55: Don't anonymize node's internals in the error reporter
• 78bdf81: Add preferWasm flag to config. Default to wasm on production profile. Support linux-aarch64 native compiler (#5993)
• c2fd9aa: Send selected project type to GA

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[email protected]

This Hardhat 3 Alpha release includes new features, bug fixes and breaking changes to the API and its types. The highlights include:

• A new development keystore to support config variables in tests without requiring the entering of a password
• A migration task in Hardhat Ignition for updating existing deployments to work with v3
• Support for initializing Hardhat 2 projects as an option during --init

Changes

• 09d4ccb: Add a development keystore (#7003)
• d71f90e: Add migration task for HHv2 Ignition deployments (#6538)
• b142813: Added Hardhat v2 template support to hardhat --init (#7035)
• 1266aaf: Added the addresses of created contracts in call traces
• 28887b9: Change the type of the npmPackage plugin property (7058)
• a958d46: Change the config test path property from nodeTest to nodejs (#7100)
• ef89be2: Rename optimism chain type to op (#7085)
• 2da3a06: Group mocha and solidityTest config under test property (#7101)
• 5fbea0d: Rename edr label to edr-simulated in network config (#7051)
• c2f7136: Removed deprecated JSON-RPC methods: eth_mining, net_listening, net_peerCount, hardhat_addCompilationResult, hardhat_intervalMine, and hardhat_reset.
• 4c160a8: Display GLOBAL OPTIONS in help messages of all tasks that support them (#7114)
• e98ded3: Upgraded EDR dependency to @nomicfoundation/edr v0.12.0-next.4, which changes the file system permission config interface for Solidity tests to mitigate EVM sandbox escape through cheatcodes.
• eea70ff: Make forge-std work with and without src/
• a657c61: General improvement of error messages.
• 1e5d699: Fix example tests hanging when running on fork mode (#6967)

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v2.26.2

This release is a small bug fix to stop using undici's global dispatcher, making Hardhat more stable across Node.js versions.

Changes

• 11ee260: Don't use undici's global dispatcher, making Hardhat more stable across Node.js versions (#7118)

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@nomicfoundation/[email protected]

This release is a small bug fix to resolve the "Multiple networks with chain id found" error when multiple chains share the same chain id.

Changes

• bdba581: Fixed "Multiple networks with chain id found" error when multiple chains share the same chain id (#7065)

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@nomicfoundation/[email protected]

This release is a small bug fix to undici's global dispatcher, to make it more stable across Node.js versions.

Changes

• 11ee260: Don't use undici's global dispatcher, making Hardhat more stable across Node.js versions (#7118)

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[email protected]

This Hardhat 3 Alpha release includes new features, bug fixes and changes to the configuration options. The highlights include:

• Code coverage support in Solidity Test with npx hardhat test solidity --coverage
• Improved Solidity Test output with a mocha/jest-inspired reporter
• Support for predicates in @nomicfoundation/hardhat-viem-assertions

Changes

• 2b62b40: Add code coverage for Solidity Test with the --coverage flag, i.e. npx hardhat test solidity --coverage (#7019)
• dd36123: Improved solidity tests output with a mocha/jest-inspired reporter (#6909)
• c408306: Support predicates on viem-assertions (#7038)
• 00be01a: Improve chain detection to enable multicall and ENS actions on forked networks (#7063)
• 6bf8eb1: Simplify solidity test config (#7059)
• ed3ba1a: Update build info ids (#7049)
• 9875011: Fixed hardhat-viem support for L2 actions when using the optimism chain type

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This Hardhat 3 Alpha release includes:

• Support for verification against Etherscan in Ignition deployments with the --verify flag
• Removed properties from the Hardhat config as we cleanup relative to the Hardhat 2 configuration options

Changes

• 9fb4264: Add --verify option for Ignition deploy task to verify all contracts of a deployment on Etherscan (#6817)
• edccb60: Report stack trace generation errors to Sentry (#7010)
• 4b8d464: Fix rule for determining whether local files are written for an Ignition deployment (#6999)
• 37e712b: Remove hardhat_reset (#6110)
• 72cfaff: Remove enableRip7212 from EDR network configuration (#6182)
• 72cfaff: Remove enableTransientStorage from EDR network configuration (#6182)

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This Hardhat 3 Alpha release has improvements, changes and bug fixes including:

• Improved re-compilation times with better caching
• Support for more verbose logging in Solidity Test with new verbosity flag: npx hardhat test solidity -vvvv
• The addition of a build command as a replacement for compile (compile will be retained as an alias)
• The renaming of the config option dependenciesToCompile to npmFilesToBuild for increased clarity

Changes

• cbbe240: Speed up re-compilation with better caching (#6987)
• e3e9757: Added call traces support for solidity tests; call traces can be enabled via the -vvvv verbosity level flag (#6830)
• 595c970: Rename dependenciesToCompile to npmFilesToBuild in Hardhat config (#6877)
• 595c970: Add build task that replaces compile, but keep the compile task as an alias to build (#6877)
• dbd9368: Allow Ignition reconciliation of changed bytecode when the contract has been successfully deployed (#7006)
• ab67a7d: Support verifying contracts on all enabled providers from the main verify task (#7007)
• 3fe7683: Fixed global flag option parsing (#7028)

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Hardhat v2.26.1

This release is a bug fix that fixes micro-eth-signer requiring on versions of Node before 20.19.

Changes

• 896c4ea: Revert micro-eth-signer to ^0.14.0 to fix compatibility with earlier Node 20 versions (#7026)

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