released sbt 1.12.10, featuring - update to log4j 2.25.4, fixing CVE-2026-34477, CVE-2026-34478, CVE-2026-34479, and CVE-2026-34480 - eviction error in Test configuration, backported from sbt 2.x eed3si9n.com/sbt-1.12.10 #Scala

wrote a blog post 'shutting down the goldmine' I sent in a pull request to remove sbt/sbt from Gittensor effective immediately eed3si9n.com/shutting-dow... #Scala

released tree-sitter-scala 0.25.1 and 0.26.0, featuring - leading infix operators - typed lambda argument for Scala 2.x - access modifier for `enum` - lambdas in braces - extends clause with multiple param lists eed3si9n.com/tree-sitter-... #Scala

The sbt 2 project has started the last mile process to lock down the 2.0.x branch. Depending on the bugs we discover, we are hopeful that a release candidate (currently 2.0.0-RC12) can graduate in a few weeks to a few months. www.scala-lang.org/blog/2026/0...

North Jersey sakura patrol

I am excited to speak at the Scala Enthusiasts Meetup on April 29 in my hometown of Boston! In my talk, we will dive into the design and engineering that enable the unique "superpowers" of Cats Effect and learn how to leverage them to build scalable applications. www.scalateams.com/events/bosto...

'Last mile towards sbt 2' A quick status report on where we are at www.scala-lang.org/blog/2026/04... #Scala

👩‍🔬 released sbt 2.0.0-RC12, featuring `.previous` expansion fix eed3si9n.com/sbt-2.0.0-RC12 #Scala

🌔🚀 released sbt 2.0.0-RC11 and 1.12.9 2.0.0-RC11 features a fix to the sandbox resolution using Coursier eed3si9n.com/sbt-2.0.0-RC11 #Scala

cross published sbt-nocomma 0.1.3 to sbt 1.x and 2.x, using sbt 2.0.0-R10 sbt-nocomma is a stupid plugin that I made in 2018 that implements comma inference in build.sbt github.com/sbt/sbt-noco... eed3si9n.com/removing-com... #Scala

cross published sbt-java-formatter 0.11.0 to sbt 1.x and 2.x sbt-java-formatter, originally written by Björn Antonsson, lets you format your Java code github.com/sbt/sbt-java... #Scala

cross published sbt-native-image 0.4.0 to sbt 1.x and 2.x sbt-native-image, originally written by @geirsson.com, lets you build GraalVM native images from your Scala code github.com/scalameta/sb... #Scala

Time to meet again 🥰 🙌 Scala Days 2026 🗓️ Conference 12 - 13 October 🛠️ Workshops 14 - 15 October 📍Berlin, Germany Looking forward to welcoming you this autumn! scala-lang.org/blog/...

👩‍🔬 sbt 2.0.0-RC10 is released! sbt 2.0 is a new version of sbt, based on Scala 3 constructs and Bazel-compatible cache system eed3si9n.com/sbt-2.0.0-RC10 #Scala

🔐 released sbt 1.12.7, featuring a security fix for CVE-2026-32948, Source dependency feature (via crafted VCS URL) leading to arbitrary code execution on Windows this was discovered and fixed by Anatolii "Toli" Kmetiuk at Scala Center, who is also a new sbt committer eed3si9n.com/sbt-1.12.7 #Scala

🚀 The Scala bytecode optimizer just got ported to Scala 3! Write nice high-level code and let the optimizer make it faster. Try it out today in Scala 3.8.3-RC3!

released sbt 1.12.6 featuring, - Coursier 2.12.25-M19 update - log4j 2.25.3 update eed3si9n.com/sbt-1.12.6 #Scala

released tree-sitter-scala 0.24.1 and 0.25.0 featuring - `into` soft modifier - applied constructor type - `tracked` soft modifier - given with type parameters - anonymous `using` parameters eed3si9n.com/tree-sitter-... #Scala

🧪 Code coverage is a key part of maintaining high-quality Scala projects. We've recently made progress on making Scoverage more robust, expanding the way we test it, discovering and fixing new issues. Read more:

The Typelevel Foundation was determined to be a 501(c)(3) public charity! This is a testament to the intellectual merit and educational value of our community's contributions to functional programming. Congratulations! typelevel.org/blog/charity...

The data from your Meta Ray Bans is used to train Meta's AI, which most people don't understand means that humans are looking at the most intimate details of their lives. www.svd.se/a/K8nrV4/met...

The results of the 2025 State of Rust Survey are now available! 📊 blog.rust-lang.org/2026/03/02/2...

🛠️ sbt 2 is nearing stable release - let’s migrate the plugin ecosystem together! The new sbt2-compat plugin was developed by the Scala Center to simplify cross-building sbt plugins for sbt 1 and sbt 2. Learn more on how to migrate:

released sbt 1.12.5, featuring - updated sbtn, which can relay errors when sbt server fails to start - backport of sbt runner script fixes eed3si9n.com/sbt-1.12.5 #Scala

> Their perspective was recently documented in the sbt 1.12.3 release notes “Smørrebrød - the end of Scala 2.13-3.x sandwich”. lol > Scala 3 consuming Scala 2.13 artifacts will remain supported for the foreseeable future. 👍

Just out now: @mirandaheath.website’s post about maintainer burnout, summarizing her newly published study on the topic… 1/2

spread this at work as well since not everyone checks social media for programming content

If you're interested in Scala 2 and Scala 3 compatibility, what TASTy is, and how it fits into the whole story, take a look at this blog post by Wojciech Mazur. scala-lang.org/blog/state-...

⛄ released sbt 1.12.4, featuring - an `sbt` runner script bug fix - a `scalaOrganization` bug fix eed3si9n.com/sbt-1.12.4 #Scala

Alpha School, an "AI-powered" private school that costs as much as $65k a year, is generating faulty lesson plans and stealing content from textbooks for training data www.404media.co/students-are...

祝大家新年进步, 恭喜发财, 一帆风顺, 身体健康 🧧 a prosperous and healthy Lunar New Year, to those celebrating!

👩‍🔬 sbt 2.0.0-RC9 is released! sbt 2.0 is a new version of sbt, based on Scala 3 constructs and Bazel-compatible cache system RC9 is a big change, featuring - JDK 17 + Scala 3.8.1 in metabuild - Maven BOM (Bill of Materials) usage support eed3si9n.com/sbt-2.0.0-RC9 #Scala (1/n)

💘 released sbt 1.12.3, featuring the end of Scala 2.13-3.x bilateral interoperability (aka Scala 2.13-3.x sandwich) while it's popular to discuss the topography of hot dogs and tacos, an oft overlooked sandwich is Wawa hoagie, which is cut only on one-side eed3si9n.com/sbt-1.12.3 #Scala

truly a rockstar building Apache Spark in the open. congrats all around!

The best way to start a Monday morning might be to get some @scalar-conf.com tickets - just over a month away! Make new friends, meet old friends, find out how #Scala might fit into the #AI ecosystem with trustworthy agents - an opening talk by Martin Odersky, and much more!

🚀 Join us at the Wrocław Scala User Group Meetup (#17) on Feb 24 in Wrocław! 📍 Where: Hard Rock Cafe Wrocław, ul. Rynek 25 📅 When: Tuesday, Feb 24 • 6:00 PM – 8:00 PM CET 👉 RSVP here: www.meetup.com/wroclaw-sca... See you there! 👋 #Scala #Meetup #Wroclaw #TechCommunity #SoftwareEngineering

wrote 'sbt 1.12.1 and unmoored scala-reflect / scala-compiler issue' contributors.scala-lang.org/t/sbt-1-12-1... #scala

released sbt 1.12.2, featuring - improvement of forking interactive programs - sbtn with the above change, which should improves client-side run eed3si9n.com/sbt-1.12.2 #Scala

Postmortem on Scala 3.8.0: www.scala-lang.org/blog/post-m.... We are also working on a 3.8.2 release which will include a fix for scala/scala3#24673, which can cause some for comprehensions to behave incorrectly at runtime.

By the way I am taking lead on the Scala standard library project and am open here for suggestions on what we should be working on - the sky is the limit! Or find the contributors forum post.

happy to announce that along with Scala library, compiler, sbt 2.0 project has been awarded Sovereign Tech Fund (German gov grant), recognized as a critical digital infrastructure, or an xkcd open source picture scala-lang.org/blog/2026/01... #Scala

The Sovereign Tech Fund Invests in Scala: 🔐 security audits 🔧 sbt 2.0 📚 core library maintenance 💪 and long-term resilience for critical digital infrastructure Check out the announcement: www.scala-lang.org/b... 🙏 Huge thanks to @sovereign.tech

released sbt 1.12.1, featuring the fix for scala-reflect not found problem on Scala 3.8.1 eed3si9n.com/sbt-1.12.1 #Scala

wrote a blog post - 'sbt and the miners of the wild west' eed3si9n.com/sbt-and-the-... #Scala

ping your senators Hi, I'm writing/calling to urge Sen <senator> to impeach Kristi Noem as Secretary of the Department of Homeland Security. ICE's human rights abuses under her leadership is a threat to everyone living in the United States. Thank you for consideration. Sincerely, <your name>

released Eval 0.3.2, a little #Scala 3 interpreter, with Scala 3.8.1 support eed3si9n.com/eval-0.3.2

Scala 3.8 is here! A major release modernising the ecosystem and paving the way for Scala 3.9 LTS. Highlights: - Standard library compiled by Scala 3 - Better Fors & runtimeChecked stabilized - New experimental features - Update to JDK 17+ 🧵 Let's dive in...

'RFC: sbt 2.0 on JDK 17' On behalf of the sbt project, I would like to solicit your feedback on the minimum JDK version required for sbt 2.0 users.scala-lang.org/t/rfc-sbt-2-... #Scala

Scala Days talk on sbt 2.0

At least four videos show what really happened when ICE shot a woman in Minneapolis on Wednesday. DHS has established itself as an agency that cannot be trusted to live in or present reality. @evystadium.bsky.social has more. Full story by @josephcox.bsky.social: www.404media.co/dhs-is-lying...