What's new in the documentation?

The latest major MetaMask documentation updates are listed by the month they were added to the documentation. For a comprehensive list of recent product changes, visit the "Release Notes" section at the bottom of the MetaMask developer page.

April 2024

• Moved Snaps-specific Wallet API methods from the Wallet JSON-RPC API reference to the Snaps reference. (#1286)
• Documented Snaps onKeyringRequest entry point. (#1258)
• Documented Snaps data storage. (#1278)
• Documented how to get your Snap allowlisted. (#1222)
• Documented Snaps lifecycle hooks. (#1274)
• Documented Snaps cron jobs. (#1271)
• Updated how to connect to MetaMask with vanilla TypeScript and React TypeScript instructions. (#1247)

March 2024

• Documented Snaps polyfills configuration option. (#1238)
• Documented Snaps interactive UI. (#1166)
• Documented Snaps improved image support. (#1236)
• Documented Snaps signature insights. (#1228)
• Documented how to restrict a Snap's RPC API methods. (#1223)
• Documented Snap-defined timeouts. (#1224 and #1227)
• Restructured Wallet documentation to emphasize connecting using EIP-6963. (#1214)
• Documented Snaps custom name resolution. (#924)
• Deprecated snaps-types and snaps-ui packages and updated Snaps tutorials to match latest tooling. (#1206 and #1210)
• Documented new Snaps custom UI components and improved examples. (#1209 and #1225)
• Removed "Flask" label from Snaps home pages and snap_getLocale. (#1204)
• Restructured SDK documentation to de-emphasize it as a recommended method. (#1200 and #1230)
• Deprecated the following provider API elements:
  • chainId property
  • networkVersion property
  • selectedAddress property
  • networkChanged event
  • net_version support in send()
• Added Snaps best practices section. (#1187)
• Updated Snaps CLI reference with Webpack configuration options. (#1178)
• Improved and restructured the Snaps Keyring API reference. (#1170)
• Documented how to connect and sign using the Unity SDK. (#1023)

February 2024

• Documented account abstraction using ERC-4337. (#1167)
• Documented how to use Snaps environment variables. (#1149)
• Documented Snaps static files. (#1138)
• Restructured Snaps documentation for improved readability and accessibility. (#1129)
• Added Snaps architecture diagrams. (#1123)
• Documented Snaps unencrypted state. (#1124)
• Documented snap_getClientStatus. (#1119)
• Restructured and improved Wallet documentation and introduced "Wallet API" terminology. (#1114 and #1125)
• Documented how to detect multiple wallets using EIP-6963. (#1094)
• Documented how to communicate errors in Snaps. (#1117)