According to Foresight News, the blockchain development platform Alchemy announced that it has open sourced the ERC-4337 bundler implementation Rundler (Rust Bundler) written in Rust to speed up the transition to smart accounts. Rundler has the characteristics of high performance, high reliability, modularity, etc., and is used to provide support for Alchemy's Bundler API endpoint. The Alchemy team continues development to add new features, including integrated or distributed deployment, accurate gas estimation, reorganization handling, large bundle build rain transaction reliability, and fungible memory pools. In the roadmap, Rundler will build P2P mempool, alternative mempool, Entry Point v0.7 with multi-version support, signature aggregation, block builder integration.