programming-languages

Gleam v1.16.0, released April 24, adds JavaScript source maps, package-wide parallel error reporting, and a roughly 30% speedup for single-character string-prefix matching on JavaScript.

Crystal 1.20.0 lands with a Linux io_uring event loop, CPU-feature targeting via @[TargetFeature], a new array-based Process API, kernel TLS, and a fix for an HTTP request-smuggling vulnerability.

After years of development, sbt 2.0 has reached RC12 with 60+ ecosystem plugins ported, targeting a stable release within weeks to months.

A deserialization guard bypass in ERB forced an out-of-band Ruby 4.0.3 on April 21, four months after 4.0's ZJIT debut established Ruby's new Rust-backed compiler.

Kotlin 2.3.20 ships name-based destructuring, default Build Tools API on Kotlin/JVM, Gradle 9.3.0 compatibility, and Wasm string performance gains of up to 4.6 times.

Rust 1.95 lands with a new `cfg_select!` macro, `if let` guards in `match`, stabilized APIs, and a stricter stance on custom target JSON on stable.

The Rust for CPython project has achieved cross-platform builds in CI and shifted its target from Python 3.15 to 3.16, setting a July deadline to submit a formal Python Enhancement Proposal that would make Rust a build-time dependency of the reference interpreter.

Go 1.26 ships with the Green Tea garbage collector enabled by default, replacing the object-centric mark-sweep algorithm with a page-level scanner that reduces GC CPU costs by 10 to 40 percent in real-world workloads.

The GNU Compiler Collection's next major release enters its final regression-fixing phase with early C++26 support, a new Algol 68 frontend, AMD Zen 6 targets, and a long-awaited shift to C++20 as the default C++ dialect.

Microsoft released TypeScript 6.0 on March 23, the last version of the compiler written in JavaScript. The release introduces strict-by-default settings and deprecates legacy features ahead of TypeScript 7.0, a full Go rewrite that has shown up to 10x faster compilation in benchmarks.

Swift 6.3 delivers the first stable Android SDK after a year of community development, alongside new C interoperability features and a unified cross-platform build system.

Microsoft has released TypeScript 6.0, the final major version built on the original JavaScript compiler codebase. The release introduces sweeping default changes, deprecates legacy module formats, and adds a migration flag to prepare codebases for TypeScript 7.0, which will be built entirely in Go.