This release includes a refactor to our internal solidity tracing logic that should result in a ~10% performance improvement for many workloads.

This release adds support for the latest solc versions (0.8.25, 0.8.26, and 0.8.27). Additionally, it includes bug fixes, documentation improvements, and dependency updates.

Changes

• 601d543: Fixed a problem with provider events when provider.init was explicitly called before the first request.
• 224159e: Added support for solc versions 0.8.25, 0.8.26, and 0.8.27
• b43ed78: Added link to Ignition docs in sample projects
• 07e0a9c: Hardhat node can now handle large response objects by streaming them.
• 12d1980: Upgrade chokidar

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This release introduces support for verifying contracts using Blockscout as a verification provider. To verify a contract using Blockscout, simply add the following to your Hardhat configuration:

blockscout: {
  enabled: true,
}

Currently, only mainnet and sepolia are included as built-in chains, but you can add other networks using the customChains property in the Hardhat config.

Changes

• 913b5a1: Added Blockscout as a verification provider.

This release enhances type extensibility and includes a minor performance improvement for development networks.

Changes:

• 6010386: Moved types to HardhatViemHelpers and initialized ContractTypesMap as empty for better extensibility. Improved performance by disabling retries in dev nets (thanks @TateB!)

This release adds support for development on the ZKsync chain.

Changes

• 8fa15e7: Added support for ZKsync's development mode.

This release includes bug fixes for the emit and reverted matchers, improving support for overloaded events and bytes32 strings.

Changes

• 1a0e1e3: Enhanced error message in emit matcher for overloaded events (thanks @iosh!)
• 7964bf0: Enhanced the reverted matcher to correctly handle bytes32 strings (thanks @iosh!)

A small bug fix release to fix the Hardhat peer dependency entry in the published package.json that was corrupted by pnpm in the previous release.

Changes

• efa905d: Fix for corrupted Hardhat peer dependency version from pnpm.

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A small bug fix release to fix the Hardhat peer dependency entry in the published package.json that was corrupted by pnpm in the previous release.

Changes

• efa905d: Fix for corrupted Hardhat peer dependency version from pnpm.

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A small bug fix release to fix the Hardhat peer dependency entry in the published package.json that was corrupted by pnpm in the previous release.

Changes

• efa905d: Fix for corrupted Hardhat peer dependency version from pnpm.

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A small bug fix release to fix the Hardhat peer dependency entry in the published package.json that was corrupted by pnpm in the previous release.

Changes

• efa905d: Fix for corrupted Hardhat peer dependency version from pnpm.

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A small bug fix release to fix the Hardhat peer dependency entry in the published package.json that was corrupted by pnpm in the previous release.

Changes

• efa905d: Fix for corrupted Hardhat peer dependency version from pnpm.

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This is a small bug fix release to improve debug logs during Hardhat Network initialization.

Changes

• 409e99f: Fixed debug logs in Hardhat Network initialization process.
• 46cd7a1: Removed the experimentalAddHardhatNetworkMessageTraceHook API

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This is a small bug fix release remove a warning message against the local Hardhat node when deploying with Hardhat Ignition.

Changes

• 6771f00: Do not send http_setLedgerOutputEnabled messages beyond the HTTP Provider to prevent unwanted warnings in the logs of the local hardhat node

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A small bug fix release to help when running against Erigon where the eth_accounts RPC call is deprecated.

Changes

• 93b30d5: Fix for getSigners against networks where eth_accounts is deprecated.

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This is a small bug fix release to resolve a bug with large responses from debug_traceTransaction.

Changes

• f5d5d15: Fixed an issue with debug_traceTransaction when large responses were generated
• 31d9d77: Upgraded EDR to v0.5.2

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This release is a major update. It fixes the issue of the check task always exiting with exit code 0, even if solhint reports errors (#5057). It also updates the solhint dependency to v5.0.2.

Changes

• cc79bd7: Ensured the check task exits with exit code 1 when solhint raises any errors; this is a breaking change since the check task would previously always exit with exit code 0
• 9cae5e7: Updated solhint dependency to v5.0.2

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This releases add support for RIP-7212 (Precompile for secp256r1 Curve Support). See the Hardhat network reference for details on how to enable the precompile.

Changes

• f944cd5: Added an enableRip7212 optional flag to the Hardhat Network config that enables RIP-7212 (Precompile for secp256r1 Curve Support).
• f6ddc92: Add debug logs to Hardhat Network initialization process.
• 6c943bb: Fix message for error HH206, thanks @ItsNickBarry!
• f944cd5: Bumped EDR to v0.5.0.

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Enhance force flag to allow verification when is verified check fails. Thanks @3commascapital!

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This release adds support for Vyper 0.4.0. Thanks, @kiriyaga-txfusion!

Changes

• cdf0160: Upgrade bundled solcjs
• 3c66da2: Add support for Node v22
• 9fadc22: Bump EDR to v0.4.1.
• 095faa4: Added hardfork histories for Optimim and Arbitrum chains

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