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scala-js.org @scala-js.org · 20/06/2026

#Scala.js 1.22.0 is out! This release adds support for sbt 2.x, and officializes the support for WebAssembly as stable. It also comes with performance improvements and bug fixes. www.scala-js.org/news/2026/06...

scala-js.org

Announcing Scala.js 1.22.0

Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.

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scala-js.org @scala-js.org · 04/04/2026

#Scala.js 1.21.0 is out! This release introduces several changes with compatibility concerns. We encourage you to pay particular attention to the release notes. www.scala-js.org/news/2026/04...

scala-js.org

Announcing Scala.js 1.21.0

Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.

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scala-js.org @scala-js.org · 05/01/2026

#Scala.js 1.20.2 is released! It features more performance improvements and some bugfixes. www.scala-js.org/news/2026/01...

scala-js.org

Announcing Scala.js 1.20.2

Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.

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scala-js.org @scala-js.org · 06/09/2025

#Scala.js 1.20.1 is released! It features a number of performance improvements, both for the JavaScript and WebAssembly backends. www.scala-js.org/news/2025/09...

scala-js.org

Announcing Scala.js 1.20.1

Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.

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scala-js.org @scala-js.org · 21/04/2025

#Scala.js 1.19.0 is released! It contains significant performance improvements for the WebAssembly backend (it is now often faster than JS), native support for JS async/await, and a way to leverage Wasm's JavaScript Promise Integration (JSPI). Read more at www.scala-js.org/news/2025/04...

scala-js.org

Announcing Scala.js 1.19.0

Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.

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Reposted by @scala-js.org

Scala Days @scaladays.org · 18/02/2025

Time to meet again 🥰 🙌 Scala Days 2025 🗓️ 19-21 August 2025 📍Lausanne, Switzerland 🌐 Business-driven ♥️ Community-infused 🦸 Family-friendly Looking forward to welcoming you in August! scala-lang.org/blog/2025/02...

scala-lang.org

Announcing Scala Days 2025

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scala-js.org @scala-js.org · 10/02/2025

RFC: We intend to deprecate support for ECMAScript 5.1 in the next version of #Scala.js. If you are still relying on it, please weigh in on the PR and tell us why. The default has been ECMAScript 2015 since Scala.js v1.0.0. github.com/scala-js/sca...

github.com

RFC: Deprecate support for ECMAScript 5.1. by sjrd · Pull Request #5128 · scala-js/scala-js

That support is the biggest source of alternative code paths and polyfills in our codebase. The polyfills and other alternative implementations we need to support ES 5.1 include: Math.fround to su...

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Reposted by @scala-js.org

The Scala Programming Language @scala-lang.org · 06/02/2025

The first edition recaps 2024’s biggest advancements: ✅ Named tuples in Scala 3 ✅ Experimental WebAssembly backend in Scala.js ✅ Scala CLI as the new default runner for Scala ✅ Scala 3 build definitions in sbt 2.x (beta) ✅ Better Scala 3 support in IntelliJ Scala Plugin … and much more!

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Reposted by @scala-js.org

The Scala Programming Language @scala-lang.org · 06/02/2025

🚀 Introducing Scala Highlights – a new quarterly newsletter! Read it now 👉 scala-lang.org/highlights/2...

scala-lang.org

Scala Highlights from 2024

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scala-js.org @scala-js.org · 23/01/2025

#Scala.js 1.18.2 is released! It contains one more backward compatibility fix, improves compatibility with Scala 2.13.16, and improves the generated code for js.Dynamic.literal() with Scala 2.13.x. www.scala-js.org/news/2025/01...

scala-js.org

Announcing Scala.js 1.18.2

Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.

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scala-js.org @scala-js.org · 09/01/2025

To start off 2025 and our new Blueky account, we are pleased to announce the release of #Scala.js 1.18.1 (instead of the expected 1.18.0). This is mostly a bugfix release. It also contains internal improvements that will support future enhancements. www.scala-js.org/news/2025/01...

scala-js.org

Announcing Scala.js 1.18.1

Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.

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