# Scala News – October 31st, 2026 Edition

> Source: <https://www.scalanews.net/Archive/2026/scala_news_2026-10-31.html>
> Published: 2026-11-05 16:04:12+00:00

# Scala News -

A curated list of Scala related news from the community.

## [**](#articles)Articles

**

### [Scala Days 2026 talk recordings](https://youtube.com/playlist?list=PLSwkkO70hN24)

Scala Days was held in Berlin on October 12 and 13. Recordings of the talks are now available on YouTube.

### [Scala Summit 2026 talk recordings](https://watch.softinio.com/w/p/1y91HpAp7Nd3WcuAKXpGLz)

Scala Summit 2026 was held in San Francisco on October 19. Recordings of the talks are now available.

### [Capture Checking Notes](https://blog.rhetoricalmusings.com/posts/capture-checking/)

Notes exploring Scala 3's experimental capture checking feature, which tracks capabilities (like open files or connections) that a value's type has closed over.

### [Checking Relevance With Verdict4s](https://www.softinio.com/post/checking-relevance-with-verdict4s/)

Salar Rahmanian describes improving Scala News' RSS filtering, moving from simplistic keyword matching to using Verdict4s with TypeSafe AI's Jev decision model to classify article relevance.

### [Fast Approximate Analytics in Scala with Apache DataSketches](https://yadukrishnan.live/fast-approximate-analytics-in-scala-with-apache-datasketches)

Introduces Apache DataSketches in Scala for memory-efficient streaming analytics: distinct counts, frequent items, quantiles, merging windows, and Base64/binary storage, with version/JDK

### [Introducing Eezo: Next-gen Scala Web Framework](https://rockthejvm.com/articles/introducing-eezo)

Introduces Eezo, a Scala 3 web framework shown at Scala Days, generating CRUD routes and auth from case classes, plus live components syncing all open tabs.

### [Reforesting the sbt plugin ecosystem and sbt 2.1.0 beta](https://www.scala-lang.org/blog/2026/09/16/sbt-plugin-updates.html)

Scala Center details sbt 2.x ecosystem migration efforts: centralizing plugins, sbt2-compat layer, ABI lock-in, now 172 plugins on Scaladex, plus Scala.js 1.22.0 sbt 2 support.

### [Scala 3.10 released!](https://www.scala-lang.org/news/3.10/)

Scala 3.10.0 released, starting the Scala Next series. Stabilizes SIP-67, previews three SIPs, removes deprecated legacy syntax, drops Scala 2 cross-compilation, adds .deb/.rpm packages.

### [Scala 3.9 LTS released!](https://www.scala-lang.org/news/3.9/)

Scala 3.9.0 launches as the new LTS line, succeeding 3.3 LTS. Covers LTS/Next model, 3.3's backport history (43% of changes), 56% library adoption, and 3.9's new features.

### [Typelevel Talks at Scala Days 2026](https://typelevel.org/blog/scala-days-2026.html)

Roundup of Scala Days 2026 talk videos touching Typelevel: org overview, GitHub SOS security fund, Cats Effect Ref caching, LLM code quality, Summer of Code projects, trait specialization, and

### [VirtusLab assumes responsibility for Scala 2 maintenance](https://www.scala-lang.org/blog/scala2-maintenance.html)

VirtusLab now maintains Scala 2 alongside Scala 3, absorbing former Akka team members. Lukas Rytz stays on Core Team as Scala 2 rep. Next 2.12.22/2.13.19 releases are being planned.