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Aug 14, 2025
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Update changelog release v0.2.0 #170

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Update changelog release v0.2.0
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35 changes: 17 additions & 18 deletions CHANGELOG.md
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## 0.2.0 (2025-08-14)

- Upgrade all contracts to use `@fhevm/solidity` 0.7.0. ([#27](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/27))

### Token
- `IConfidentialFungibleToken`: Prefix `totalSupply` and `balanceOf` functions with confidential. ([#93](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/93))
- `IConfidentialFungibleToken`: Rename `EncryptedAmountDisclosed` event to `AmountDisclosed`.
- `ConfidentialFungibleToken`: Change the default decimals from 9 to 6. ([#74](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/74))
- `VestingWalletConfidential`: A vesting wallet that releases confidential tokens owned by it according to a defined vesting schedule. ([#145](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/145))
`VestingWalletCliffConfidential`: A variant of `VestingWalletConfidential` which adds a cliff period to the vesting schedule.
`VestingWalletExecutorConfidential`: A variant of `VestingWalletConfidential` which allows a trusted executor to execute arbitrary calls from the vesting wallet.
- `ConfidentialFungibleTokenERC20Wrapper`: Add an internal function to allow overriding the underlying decimals fallback value. ([#133](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/133))

- `ConfidentialFungibleTokenVotes`: Add an extension of `ConfidentialFungibleToken` that implements `VotesConfidential`.
- `HandleAccessManager`: Minimal contract that adds a function to give allowance to callers for a given ciphertext handle. ([#145](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/145))
- `CheckpointsConfidential`: Add a library for handling checkpoints with confidential value types. ([#77](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/77))
- `IConfidentialFungibleToken`: Prefix `totalSupply` and `balanceOf` functions with confidential. ([#145](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/145))
- `VestingWalletCliffExecutorConfidentialFactory`: Renamed to `VestingWalletConfidentialFactory` and default implementation removed in favor of a user-defined vesting wallet implementation. ([#145](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/145))
- `ERC7821WithExecutor`: Add an abstract contract that inherits from `ERC7821` and adds an `executor` role. ([#145](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/145))
- Upgrade all contracts to use `@fhevm/solidity` 0.7.0. ([#77](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/77))
- `VotesConfidential`: Add votes governance utility for keeping track of FHE vote delegations.
- `ConfidentialFungibleTokenERC20Wrapper`: Add an internal function to allow overriding the maximum decimals value. ([#145](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/145))
- `VestingWalletCliffExecutorConfidentialFactory`: Fund multiple `VestingWalletCliffExecutorConfidential` in batch. ([#145](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/145))
### Governance
- `VotesConfidential`: Add votes governance utility for keeping track of FHE vote delegations. ([#40](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/40))
- `ConfidentialFungibleTokenVotes`: Add an extension of `ConfidentialFungibleToken` that implements `VotesConfidential`. ([#40](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/40))

## 0.2.0-rc.0 (2025-07-04)
### Finance
- `VestingWalletConfidential`: A vesting wallet that releases confidential tokens owned by it according to a defined vesting schedule. ([#91](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/91))
- `VestingWalletCliffConfidential`: A variant of `VestingWalletConfidential` which adds a cliff period to the vesting schedule. ([#91](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/91))
- `VestingWalletConfidentialFactory`: A generalized factory that allows for batch funding of confidential vesting wallets. ([#102](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/102))

- Upgrade all contracts to use `@fhevm/solidity` 0.7.0. ([#27](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/27))
- `ConfidentialFungibleToken`: Change the default decimals from 9 to 6. ([#74](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/74))
- `ConfidentialFungibleTokenVotes`: Add an extension of `ConfidentialFungibleToken` that implements `VotesConfidential`. ([#40](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/40))
- `VotesConfidential`: Add votes governance utility for keeping track of FHE vote delegations. ([#40](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/40))
### Misc
- `HandleAccessManager`: Minimal contract that adds a function to give allowance to callers for a given ciphertext handle. ([#143](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/143))
- `ERC7821WithExecutor`: Add an abstract contract that inherits from `ERC7821` and adds an `executor` role. ([#102](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/102))
- `CheckpointsConfidential`: Add a library for handling checkpoints with confidential value types. ([#60](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/60))
- `TFHESafeMath`: Renamed to `FHESafeMath`. ([#137](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/137))