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About this extension

An Ethereum Wallet in your Browser
MetaMask is an extension for accessing Ethereum enabled distributed applications, or "Dapps" in your browser!

Watch an introductory video here.

The extension injects the Ethereum web3 API into every website's javascript context, so that dapps can read from the blockchain.

MetaMask also lets the user create and manage their own identities (via private keys, local client wallet and hardware wallets like Trezor™), so when a Dapp wants to perform a transaction and write to the blockchain, the user gets a secure interface to review the transaction, before approving or rejecting it.

Because it adds functionality to the normal browser context, MetaMask requires the permission to read and write to any webpage. You can always "view the source" of MetaMask the way you do any Chrome extension, or view the source code on Github:
https://github.com/MetaMask/metamask-plugin

Enables access to:
Web 3.0
Dapps
NFTs
erc20
tokens
ICOs
erc721
NFTs
ERC 1155
...and more!

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Release notes for 10.22.2

### Added
- Add Aurora network to the Popular Custom Network list ([#16039](https://github.com/MetaMask/metamask-extension/pull/16039))
- Add array of valid sizes for Box `height` and `width` to support responsive layout ([#16111](https://github.com/MetaMask/metamask-extension/pull/16111))
- [FLASK] Allow snaps insights to show on regular EOA transactions ([#16093](https://github.com/MetaMask/metamask-extension/pull/16093))

### Changed
- Update `eth-lattice-keyring` to `v0.12.3` ([#15997](https://github.com/MetaMask/metamask-extension/pull/15997))
- Updates `@ethereumjs/util` to `v8.0.0` to reduce bundle size
- Removes `secp256k1` and `@ethereumjs/common` to reduce bundle size
- Updates `gridplus-sdk` to v2.2.9
- Adds caching for calls to block explorers to improve UX ([PR](https://github.com/GridPlus/gridplus-sdk/pull/469))
- Remove unused `zh` locales directory in favor of `zh_CN` for Chinese translations ([#16322](https://github.com/MetaMask/metamask-extension/pull/16322))
- Remove 3box sync feature and delete the `ThreeBoxController` ([#14571](https://github.com/MetaMask/metamask-extension/pull/14571))

### Fixed
- Fix Secret Recovery Phrase video overlapping lateral box for smaller viewports ([#16345](https://github.com/MetaMask/metamask-extension/pull/16345))
- Fix "Learn more" link on Connected Account notification ([#16339](https://github.com/MetaMask/metamask-extension/pull/16339))
- Fix default users with browser language code `zh` to point the supported `zh_CN` language code ([#16329](https://github.com/MetaMask/metamask-extension/pull/16329))
- Fix Forgot Password flow after Wallet Creation ([#16156](https://github.com/MetaMask/metamask-extension/pull/16156))
- Fix fiat conversion for Popular Custom networks displaying it by default ([#16132](https://github.com/MetaMask/metamask-extension/pull/16132))
- Fix restricted injection, by removing docs.google.com from blocked domains list ([#16154](https://github.com/MetaMask/metamask-extension/pull/16154))
- Fix squeezing avatar, by adding a flex property to keep always the same ratio ([#16047](https://github.com/MetaMask/metamask-extension/pull/16047))
- Fix domain names not always being rendered correctly in the connected sites list ([#16074](https://github.com/MetaMask/metamask-extension/pull/16074))
- Fix transaction confirmation page performance ([#16205](https://github.com/MetaMask/metamask-extension/pull/16205))
- Fix Add Network form by blocking the submission when `chainId` does not match the one returned by the `rpcUrl` ([#16452](https://github.com/MetaMask/metamask-extension/pull/16452))
- Swaps: fix tokens being removed from the Asset lists, after canceling a Swap ([#16167](https://github.com/MetaMask/metamask-extension/pull/16167))
- Swaps: add debouncing for the `Swap from` and `Swap to` form fields ([#16326](https://github.com/MetaMask/metamask-extension/pull/16326))
- [FLASK] Fix crash on snaps settings page if snap has no permissions ([#16354](https://github.com/MetaMask/metamask-extension/pull/16354))
- [FLASK] Fix crash after restoring MetaMask if you had snaps installed ([#16228](https://github.com/MetaMask/metamask-extension/pull/16228))
- [FLASK] Fix a problem with displaying snaps transaction insight data ([#16023](https://github.com/MetaMask/metamask-extension/pull/16023))

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