[
    {
        "version": "4.4.0-beta.4",
        "changes": [
            {
                "note": "Deploy Forwarder after Exchange is configured as Staking Proxy is queried",
                "pr": 2368
            },
            {
                "note": "Subsequent contract addresses after the Forwarder are now modified",
                "pr": 2368
            }
        ]
    },
    {
        "version": "4.4.0-beta.3",
        "changes": [
            {
                "note": "Update Exchange, DevUtils, Coordinator, and Forwarder addresses on all networks",
                "pr": 2349
            },
            {
                "note": "Update StakingProxy, Staking, and ZrxVault addresses on mainnet",
                "pr": 2349
            },
            {
                "note": "Add UniswapBridge and Eth2DaiBridge addresses to schema, add mainnet addresses",
                "pr": 2349
            },
            {
                "note": "Deploy Forwarder AFTER staking is hooked up",
                "pr": 2350
            }
        ],
        "timestamp": 1574238768
    },
    {
        "version": "4.4.0-beta.2",
        "changes": [
            {
                "note": "Migrations script no longer deploys DutchAuction since it is not yet upgraded for V3 of the protocol",
                "pr": 2324
            },
            {
                "note": "Added `Staking` and `ERC20BridgeProxy` contracts",
                "pr": 2323
            }
        ],
        "timestamp": 1574030254
    },
    {
        "version": "4.4.0-beta.1",
        "changes": [
            {
                "note": "Update all contract deployments to pass the actual chain ID (rather than the network ID) via the newly modified @0x/utils/provider_utils",
                "pr": 2270
            },
            {
                "note": "All references to network ID have been removed, and references to chain ID have been introduced instead",
                "pr": 2313
            }
        ],
        "timestamp": 1573159180
    },
    {
        "version": "4.4.0-beta.0",
        "changes": [
            {
                "note": "Update Coordinator and Exchange deployments to pass `chainId`",
                "pr": 1742
            }
        ],
        "timestamp": 1570135330
    },
    {
        "version": "4.3.2",
        "changes": [
            {
                "note": "Removed dependency on @0x/order-utils",
                "pr": 2096
            }
        ],
        "timestamp": 1568744790
    },
    {
        "timestamp": 1567521715,
        "version": "4.3.1",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "version": "4.3.0",
        "changes": [
            {
                "note": "Added DevUtils to migration script",
                "pr": 2060
            }
        ],
        "timestamp": 1566446343
    },
    {
        "version": "4.2.0",
        "changes": [
            {
                "note": "Added StaticCallAssetProxy and ERC1155AssetProxy",
                "pr": 2021
            }
        ],
        "timestamp": 1565296576
    },
    {
        "version": "4.1.11",
        "changes": [
            {
                "note": "Updated calls to <contract wrapper>.deploy0xArtifactAsync to include log decode dependencies.",
                "pr": 1995
            }
        ],
        "timestamp": 1564604963
    },
    {
        "timestamp": 1563957393,
        "version": "4.1.10",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1563193019,
        "version": "4.1.9",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1563047529,
        "version": "4.1.8",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1563006338,
        "version": "4.1.7",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1558712885,
        "version": "4.1.6",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1557961111,
        "version": "4.1.5",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "version": "4.1.4",
        "changes": [
            {
                "note": "Add --pk flag to accept private key when migrating",
                "pr": 1811
            }
        ],
        "timestamp": 1557799313
    },
    {
        "timestamp": 1557507213,
        "version": "4.1.2",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "version": "4.1.1",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ],
        "timestamp": 1554997931
    },
    {
        "version": "4.1.0",
        "changes": [
            {
                "note": "Add deployment of `Coordinator` and `CoordinatorRegistry` contracts to migration script",
                "pr": 1689
            },
            {
                "note": "Added `startProviderEngine` to `providerUtils`. Preventing excess block polling",
                "pr": 1695
            }
        ],
        "timestamp": 1553183790
    },
    {
        "timestamp": 1553091633,
        "version": "4.0.4",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1551479279,
        "version": "4.0.3",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1551299797,
        "version": "4.0.2",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1551220833,
        "version": "4.0.1",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "version": "4.0.0",
        "changes": [
            {
                "note": "Replace Provider param interface with Web3ProviderEngine",
                "pr": 1627
            }
        ],
        "timestamp": 1551130135
    },
    {
        "timestamp": 1549733923,
        "version": "3.0.4",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "version": "3.0.3",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ],
        "timestamp": 1549547375
    },
    {
        "timestamp": 1549504360,
        "version": "3.0.2",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1549452781,
        "version": "3.0.1",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "version": "3.0.0",
        "changes": [
            {
                "note": "Upgrade the bignumber.js to v8.0.2",
                "pr": 1517
            },
            {
                "note": "Removed `owner` in Migrations",
                "pr": 1533
            },
            {
                "note": "`txDefaults` parameter now requires the `from` field",
                "pr": 1533
            },
            {
                "note": "Convert `from` to lower case when passed in via cli",
                "pr": 1533
            }
        ],
        "timestamp": 1549373905
    },
    {
        "version": "2.4.0",
        "changes": [
            {
                "note": "Added migrations for `MultiAssetProxy` contract",
                "pr": 1503
            }
        ],
        "timestamp": 1547561734
    },
    {
        "timestamp": 1547225310,
        "version": "2.3.1",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "version": "2.3.0",
        "changes": [
            {
                "note": "Added migrations for Dutch Auction contract",
                "pr": 1465
            }
        ],
        "timestamp": 1547040760
    },
    {
        "version": "2.2.2",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ],
        "timestamp": 1544739608
    },
    {
        "version": "2.2.1",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ],
        "timestamp": 1544570656
    },
    {
        "version": "2.2.0",
        "changes": [
            {
                "note": "Add CLI `0x-migrate` for running the 0x migrations in a language-agnostic way",
                "pr": 1324
            },
            {
                "note": "Deploy testnet Exchange arfitact. Previously mainnet Exchange artifact was deployed.",
                "pr": 1309
            },
            {
                "note": "Fund the Forwarder with ZRX for fees.",
                "pr": 1309
            }
        ],
        "timestamp": 1543401373
    },
    {
        "version": "2.1.0",
        "changes": [
            {
                "note": "Export all type declarations used by the public interface, as well as the `ContractAddresses` mapping",
                "pr": 1301
            }
        ],
        "timestamp": 1542821676
    },
    {
        "timestamp": 1542208198,
        "version": "2.0.4",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1542134075,
        "version": "2.0.3",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1542028948,
        "version": "2.0.2",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "version": "2.0.1",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ],
        "timestamp": 1541740904
    },
    {
        "version": "2.0.0",
        "changes": [
            {
                "note": "Contract artifacts have been moved to the new @0xproject/contract-artifacts package. v1 migrations have been removed. `runMigrationsAsync` returns the addresses of the contracts that were deployed.",
                "pr": 1105
            }
        ],
        "timestamp": 1539871071
    },
    {
        "version": "1.0.14",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ],
        "timestamp": 1538693146
    },
    {
        "timestamp": 1538157789,
        "version": "1.0.13",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1537907159,
        "version": "1.0.12",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1537875740,
        "version": "1.0.11",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1537541580,
        "version": "1.0.10",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1537369748,
        "version": "1.0.9",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1537265493,
        "version": "1.0.8",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1536142250,
        "version": "1.0.7",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1535377027,
        "version": "1.0.6",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1535133899,
        "version": "1.0.5",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1534210131,
        "version": "1.0.4",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "version": "1.0.3",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ],
        "timestamp": 1532619515
    },
    {
        "timestamp": 1532605697,
        "version": "1.0.2",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1532357734,
        "version": "1.0.1",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1532043000,
        "version": "1.0.0",
        "changes": [
            {
                "note": "Added migrations for 0x Protocol v2"
            }
        ]
    },
    {
        "timestamp": 1531919263,
        "version": "0.0.10",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1531149657,
        "version": "0.0.9",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1529397769,
        "version": "0.0.8",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1527008794,
        "version": "0.0.7",
        "changes": [
            {
                "note": "Use AssetProxyOwner instead of MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress",
                "pr": 675
            }
        ]
    },
    {
        "timestamp": 1527008794,
        "version": "0.0.6",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1525477860,
        "version": "0.0.5",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1525428773,
        "version": "0.0.4",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    },
    {
        "timestamp": 1524073495,
        "version": "0.0.3",
        "changes": [
            {
                "note": "Dependencies updated"
            }
        ]
    }
]
