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Documentation: [html](https://docs-beta.ethers.io/)

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Migration Guide
===============


Here are some migration guides when upgrading from older versions
of Ethers or other libraries.


* [Migration: From Web3.js](web3)
  * [Contracts](web3)
  * [Providers](web3)
  * [Numbers](web3)
  * [Utilities](web3)
* [Migration: From Ethers v4](ethers-v4)
  * [BigNumber](ethers-v4)
  * [Contracts](ethers-v4)
  * [Errors](ethers-v4)
  * [Interface](ethers-v4)
  * [Utilities](ethers-v4)
  * [Wallet](ethers-v4)



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