The Rust programming language is the most frequently used language for developing WebAssembly applications, according to a recent survey. And WebAssembly is growing in popularity.
These findings and others were featured in The State of WebAssembly 2022, a report published June 20 by software consulting firm Scott Logic, based on a survey of 299 application developers. Asked which language they use for WebAssembly development, Rust came out on top, with 45% saying they use Rust frequently or sometimes. Rust also topped last year’s initial run of the survey.
All told, 67% of respondents said they were frequently using WebAssembly, up from 47% last year. In other findings:
- Leading applications of Wasm include web development, way out in first place with nearly 70% of respondents using Wasm for web apps, followed by serverless (35%), containerization (25%), plug-in environment (23%), and IoT (10%). Percentages are approximate.
- The top WebAssembly runtimes in use were Wasmtime, Wasmer, and Wasm3.
- Capabilities most sought for Wasm to be successful in the future include non-browser APIs, better debugging support, and improved build tools.
- The WASI (WebAssembly System Interface) proposals the respondents are most interested in are I/O, sockets, filesystem, native threads, and HTTP.
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