scala-js.org
@scala-js.org
#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...
Announcing Scala.js 1.20.1
Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.
www.scala-js.org
September 6, 2025 at 5:56 PM
#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...
Announcing Scala.js 1.19.0
Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.
www.scala-js.org
April 21, 2025 at 5:13 PM
Reposted
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...
Announcing Scala Days 2025
scala-lang.org
February 18, 2025 at 6:01 PM
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...
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...
github.com
February 10, 2025 at 9:13 AM
Reposted
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!
February 6, 2025 at 3:15 PM
Reposted
🚀 Introducing Scala Highlights – a new quarterly newsletter!
Read it now 👉 scala-lang.org/highlights/2...
Scala Highlights from 2024
scala-lang.org
February 6, 2025 at 3:15 PM
#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...
Announcing Scala.js 1.18.2
Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.
www.scala-js.org
January 23, 2025 at 9:46 AM
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...
Announcing Scala.js 1.18.1
Harness the Scala and JavaScript ecosystems to develop robust apps for browsers, serverless, and Node.js.
www.scala-js.org
January 9, 2025 at 8:41 AM