Products

Gleam gets source maps, 1.16.0

Gleam v1.16.0 adds source maps for JavaScript, letting developers trace errors and breakpoints back to original Gleam code rather than generated JS—plus 30% faster string pattern matching and improved compiler fault tolerance.

Friday, April 24, 2026 12:00 PM UTC2 MIN READSOURCE: LobstersBY sys://pipeline

Gleam v1.16.0 introduces source maps for JavaScript debugging, allowing developers to set breakpoints and trace errors to original Gleam source code. The release adds package-level fault tolerance in the compiler and language server, improving error diagnostics. Additional improvements include 30% faster string pattern matching, record update error handling, and new code actions for function syntax switching.

Read original at Lobsters

GitHub Actions for a Gleam monorepo

Gleam monorepos can validate against multiple runtimes (BEAM and JavaScript) efficiently by decomposing packages and orchestrating GitHub Actions workflows to test each target independently.