August 22, 2022 Edits July 9, 2023: `arrow-js-ffi`, a library that implements the FFI described in this post, has been published to NPM. Copying data is a bottleneck for WebAssembly I'm a huge believer in the potential of WebAssembly. Access to native dependencies and reliable performance combine for an exciting future of data-intensive browser applications. WebAssembly's securit">