- Add more accurate intrinsic gas cost to ABI calls with specified gas property. ([#1058](https://github.com/ethers-io/ethers.js/issues/1058); [f0a5869](https://github.com/ethers-io/ethers.js/commit/f0a5869c53475e55a5f47d8651f609fff45dc9a7))
- Better errors for unconfigured ENS names. ([#1066](https://github.com/ethers-io/ethers.js/issues/1066); [5cd1668](https://github.com/ethers-io/ethers.js/commit/5cd1668e0d29099c5b7ce1fdc1d0e8a41af1a249))
- Updated CLI solc to versin 0.7.1. ([4306b35](https://github.com/ethers-io/ethers.js/commit/4306b3563a171baa9d7bf4872475a13c3434f834))
- More robust blockchain error detection ([#1047](https://github.com/ethers-io/ethers.js/issues/1047); [49f7157](https://github.com/ethers-io/ethers.js/commit/49f71574f4799d685a5ae8fd24fe1134f752d70a))
- Forward blockchain errors from Signer during gas estimation. ([#1047](https://github.com/ethers-io/ethers.js/issues/1047); [9ee685d](https://github.com/ethers-io/ethers.js/commit/9ee685df46753c46cbbde12d05d6ea04f2b5ea3f))
- Improve fetch errors with looser mime-type detection. ([#1047](https://github.com/ethers-io/ethers.js/issues/1047); [263bfe5](https://github.com/ethers-io/ethers.js/commit/263bfe5ce632790e0399d06a0ab660a501997998))
- Allow events to use compact bytes ABI coded data for Solidity 0.4 external events. ([#891](https://github.com/ethers-io/ethers.js/issues/891), [#992](https://github.com/ethers-io/ethers.js/issues/992); [4e394fc](https://github.com/ethers-io/ethers.js/commit/4e394fc68019445ae4b4e201e41f95d6793dbe92))
- Fixed link in docs. ([#1028](https://github.com/ethers-io/ethers.js/issues/1028); [2359a98](https://github.com/ethers-io/ethers.js/commit/2359a98641d99b26cf88ec892e3601a8a2c81c9c))
- Added memory-like support and new opcodes to asm. ([6fd3bb6](https://github.com/ethers-io/ethers.js/commit/6fd3bb62d10eab1563dc4ddbd88732b4f484ec7a))
- Added basic ENS resolver functions for contenthash, text and multi-coin addresses. ([#1003](https://github.com/ethers-io/ethers.js/issues/1003); [83db8a6](https://github.com/ethers-io/ethers.js/commit/83db8a6bd1364458dcfeea544de707df41890b4e))
- Added support for changing Reporter logging function. ([d01d0c8](https://github.com/ethers-io/ethers.js/commit/d01d0c8448df40de52253f9e92889ab7e75c6a97))
- Initial React Native test harness. ([#993](https://github.com/ethers-io/ethers.js/issues/993); [57eb5b7](https://github.com/ethers-io/ethers.js/commit/57eb5b777e2c67f1f8d74e41d3413e9f0564528d), [d3b473e](https://github.com/ethers-io/ethers.js/commit/d3b473e7c738fdfc65b6f1c8f80bcdacf9827d8a))
- Updating shims for constrained environments. ([#944](https://github.com/ethers-io/ethers.js/issues/944), [#993](https://github.com/ethers-io/ethers.js/issues/993); [8abdbbb](https://github.com/ethers-io/ethers.js/commit/8abdbbbf633f96fde2346c4ae70e538895fd7829), [240aac5](https://github.com/ethers-io/ethers.js/commit/240aac568303deff14cbb2366b94c8c89cacefc1))
- Updated docs for all packages on npm pages. ([#1013](https://github.com/ethers-io/ethers.js/issues/1013); [cb8f4a3](https://github.com/ethers-io/ethers.js/commit/cb8f4a3a4e378a749c6bbbddf46d8d79d35722cc))
- Added JSON support to BigNumber. ([#1010](https://github.com/ethers-io/ethers.js/issues/1010); [8facc1a](https://github.com/ethers-io/ethers.js/commit/8facc1a5305b1f699aa3afc5a0a692abe7927652))
- Updated packages for security audit. ([5b5904e](https://github.com/ethers-io/ethers.js/commit/5b5904ea9977ecf8c079a57593b627553f0126a0))
- Fix emitted error for ABI code array count mismatch. ([#1004](https://github.com/ethers-io/ethers.js/issues/1004); [b0c082d](https://github.com/ethers-io/ethers.js/commit/b0c082d728dc66b0f2a5ec315da44d6295716284))
- Fixed ENS overrides for the default provider. ([#959](https://github.com/ethers-io/ethers.js/issues/959); [63dd3d4](https://github.com/ethers-io/ethers.js/commit/63dd3d4682b564445948988243fa9139c598587b))
- Added Retry-After support and adjustable slot interval to fetchJson. ([7d43545](https://github.com/ethers-io/ethers.js/commit/7d435453039f009b339d835ddee47e35a843711b))
- Use status code 1000 on WebSocket hangup for compatibility. ([588f64c](https://github.com/ethers-io/ethers.js/commit/588f64c760ee49bfb5109bfbaafb4beafe41c52a))
- Updated WebSocketProvider to use web-style event listener API. ([57fd6f0](https://github.com/ethers-io/ethers.js/commit/57fd6f06047a1a2a3a46fe8b23ff585293a40062))
- Normalize formatUnits to simplified decimals. ([79b1da1](https://github.com/ethers-io/ethers.js/commit/79b1da130be50df80c7e5aeb221edc5669fc211e))
- Prevent zero-padding on Solidity type lengths. ([e128bfc](https://github.com/ethers-io/ethers.js/commit/e128bfcd10e006c920532151598700ca33a2127e))
- Set sensible defaults for INFURA and AlchemyAPI getWebSocketProvider methods. ([e3d3e60](https://github.com/ethers-io/ethers.js/commit/e3d3e604f299edbafe7d0721c0a3eff5f67c83f4))
- Fixed typo in error string. ([7fe702d](https://github.com/ethers-io/ethers.js/commit/7fe702d59b0b81d2812e407b99a1e98e0e18ba03))
- Updated elliptic package to address possible malleability issue; which should not affect Ethereum. ([9e14345](https://github.com/ethers-io/ethers.js/commit/9e1434503e2a0280e9918c4eadb4d972b062b3b0))
- Fixed FixedNumber unguarded constructor and added isZero. ([#898](https://github.com/ethers-io/ethers.js/issues/898); [08c74e9](https://github.com/ethers-io/ethers.js/commit/08c74e9a132f37ab8cc3fb5dab3bd1fd708ee702))
- Added StaticJsonRpcProvider for reducing calls to chainId in certain cases. ([#901](https://github.com/ethers-io/ethers.js/issues/901); [c53864d](https://github.com/ethers-io/ethers.js/commit/c53864de0af55dd8ec8ca5681e78da380d85250a))
- Allow getDefaultProvider to accept a URL as a network. ([8c1ff4c](https://github.com/ethers-io/ethers.js/commit/8c1ff4c862b8cecb04c98d71910870e0b73867a0))
- Make network an optional parameter to WebSocketProvider. ([987b535](https://github.com/ethers-io/ethers.js/commit/987b5354cc18ed41620c43910ac163f358d91b5d))
- Allow provider.ready to stall until the network is available. ([#882](https://github.com/ethers-io/ethers.js/issues/882); [bbb4f40](https://github.com/ethers-io/ethers.js/commit/bbb4f407b34782c36ff93fa528e3b9f793987d4a))
- Reduce dependencies to squash security issues. ([738d349](https://github.com/ethers-io/ethers.js/commit/738d34969d7c2184242b92f78228ba6a8aed1f3a))
- Updated admin scripts for publishing prod releases. ([e0e0dbe](https://github.com/ethers-io/ethers.js/commit/e0e0dbef1830572c465670b826a7aa2b403ad2e8))