@openzeppelin/[email protected]

• Add txOverrides option for overriding transaction parameters. (#852)

@openzeppelin/[email protected]

• Enable storage layout for overrides from Hardhat config. (#851)

@openzeppelin/[email protected]

• Support user-defined value types in mappings. (#844)

@openzeppelin/[email protected]

• Update OpenZeppelin Platform client dependencies. (#845)

@openzeppelin/[email protected]

• Allow assignment of immutable variables if the state-variable-immutable override is present. (#838)

@openzeppelin/[email protected]

• Use ethers v6 and hardhat-ethers v3. (#817)
• Use hardhat-verify for proxy verification. (#829)
• Remove address override for deployments. (#832)

Breaking changes

This new major version requires ethers v6 and @nomicfoundation/hardhat-ethers v3 as peer dependencies.
For Etherscan verification, it also requires @nomicfoundation/hardhat-verify.

How to update from a previous version

Update your existing project according to Hardhat Toolbox v3's release notes.
Then update this plugin, for example: npm install @openzeppelin/hardhat-upgrades@latest

@openzeppelin/[email protected]

• Use ethers v6 and hardhat-ethers v3. (#817)

@openzeppelin/[email protected]

• Update recommended Foundry config for CLI. (#818)

@openzeppelin/[email protected]

• Add CLI for upgrade safety checks. (#807)

@openzeppelin/[email protected]

• Breaking change: Rename walletId option to relayerId for OpenZeppelin Platform deployments. Update dependencies. (#806)

Note: OpenZeppelin Platform is in beta and its functionality is subject to change.