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#scala

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λ Francesco Serra λ<p>For all the <span class="h-card" translate="no"><a href="https://fosstodon.org/@typelevel" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>typelevel</span></a></span> friends, there's a virtual meetup happening next week, with a focus on the GSoC projects. All the details on the (discord server) announcement: <a href="https://discord.gg/q8HAZFs7?event=1425009934638256219" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">discord.gg/q8HAZFs7?event=1425</span><span class="invisible">009934638256219</span></a></p><p><a href="https://fosstodon.org/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a> <a href="https://fosstodon.org/tags/typelevel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>typelevel</span></a> <a href="https://fosstodon.org/tags/GSoC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GSoC</span></a></p>
Matej Cerny<p>The release notes are online! 🔥 <a href="https://witter.cz/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a> <a href="https://github.com/scala/scala/releases/tag/v2.13.17" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/scala/scala/release</span><span class="invisible">s/tag/v2.13.17</span></a></p>
Matej Cerny<p>True engineering! 👏 Imagine this library had been released together with Scala 3 several years ago... <a href="https://witter.cz/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a> <a href="https://scala-hearth.readthedocs.io" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">scala-hearth.readthedocs.io</span><span class="invisible"></span></a></p>
jan Ki | 奇 :nonbinary_flag:<p>Hey programmers!<br>In your opinion, is ReactiveX (framework across multiple languages and platforms implementing the observer pattern) _functional_ reactive programming (FRP)?</p><p>I'm aware of the official statement in the docs, and I have my own opinion, but I've also seen some people disagree with both, so I'm curious about your reasoning.</p><p><a href="https://chaos.social/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a> <a href="https://chaos.social/tags/reactivex" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>reactivex</span></a> <a href="https://chaos.social/tags/dotnet" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dotnet</span></a> <a href="https://chaos.social/tags/javascript" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>javascript</span></a> <a href="https://chaos.social/tags/csharp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>csharp</span></a> <a href="https://chaos.social/tags/closure" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>closure</span></a> <a href="https://chaos.social/tags/java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>java</span></a> <a href="https://chaos.social/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a> <a href="https://chaos.social/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>python</span></a> <a href="https://chaos.social/tags/ruby" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ruby</span></a> <a href="https://chaos.social/tags/cpp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cpp</span></a></p>
Adam Warski<p><a href="https://softwaremill.social/tags/Scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scala</span></a> times: 600 issues &amp; counting. Tirelessly compiled by Krzysiek Ciesielski! <a href="https://scalatimes.com" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">scalatimes.com</span><span class="invisible"></span></a></p>
Matej Cerny<p>Reading about Swift makes me appreciate Scala even more. <a href="https://witter.cz/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a> <a href="https://witter.cz/tags/swift" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>swift</span></a> <a href="https://dev.to/arshtechpro/swift-10-to-61-every-major-change-that-actually-matters-4omo" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">dev.to/arshtechpro/swift-10-to</span><span class="invisible">-61-every-major-change-that-actually-matters-4omo</span></a></p>
Adam Warski<p>Are you a <a href="https://softwaremill.social/tags/Scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scala</span></a> or <a href="https://softwaremill.social/tags/Rust" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Rust</span></a> engineer?</p><p>Time to turn the projects you've worked on, OSS software, case studies, tools you've discovered (including AI) into abstracts, and submit them to @scalarconf and @rustikonconf!</p><p>We'll review every submission, there are no bad ideas, the only limiting factor is the number of slots at the conference.</p>
Thilo<p>I like the new, much more natural vararg splicing syntax in <a href="https://mastodontech.de/tags/Scala3" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scala3</span></a> </p><p>```<br>foo(x, xs*)<br>``` </p><p>instead of the old</p><p>```<br>foo(x, xs : _*)<br>```</p><p><a href="https://mastodontech.de/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a></p>
Wesley Moore<p>Fun note in the Scala book I'm reading.</p><p><a href="https://mastodon.decentralised.social/tags/Scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scala</span></a></p>
urmaul.com blog<p>New blog post: Migrating to Scala 3</p><p>Recently I migrated three old services to Scala 3. This post contains many overly specific notes on problems I faced and how to solve them.</p><p><a href="https://urmaul.com/blog/migrating-to-scala3/" rel="nofollow noopener" target="_blank">https://urmaul.com/blog/migrating-to-scala3/</a></p><p><a href="https://gts.urmaul.com/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scala</span></a> <a href="https://gts.urmaul.com/tags/scala3" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scala3</span></a></p>
gamlerhart<p>Every-time I debug a Maven or SBT build I got reminded how understandable <a href="https://mill-build.org" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">mill-build.org</span><span class="invisible"></span></a> builds are.</p><p>Mill build stays my 'least-hated' build system, which is a good sign for a build system ;) <a href="https://techhub.social/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://techhub.social/tags/Scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scala</span></a></p>
Matej Cerny<p>Suppose I maintain a library written in Scala 2.13 that is also cross-published for Scala 3. What are the constraints on updating the main codebase to Scala 3 while continuing to cross-publish for Scala 2.13? <a href="https://witter.cz/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a></p>
Justin du Coeur<p>The <a href="https://social.coop/tags/Boston" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Boston</span></a> <a href="https://social.coop/tags/Scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scala</span></a> <a href="https://social.coop/tags/Meetup" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Meetup</span></a> is returning!</p><p>Our first talk will be on November 17 -- Li Haoyi will be providing an introduction to Mill and build tooling in "Designing Simpler Scala Build Tools with Object-Oriented Programming".</p><p>For more details, see <a href="https://www.meetup.com/boston-area-scala-enthusiasts/events/311173989/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">meetup.com/boston-area-scala-e</span><span class="invisible">nthusiasts/events/311173989/</span></a></p><p>Those of you in the Boston area, come on by -- hope to see you there!</p>
Matej Cerny<p>What do you think? I like it, but I have a feeling I'll be in the minority 😀 <a href="https://contributors.scala-lang.org/t/pre-sip-allow-single-line-lambdas-after/7258" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">contributors.scala-lang.org/t/</span><span class="invisible">pre-sip-allow-single-line-lambdas-after/7258</span></a> <a href="https://witter.cz/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a></p>
Daniel Esik<p>🚀 Lookout! http4s v0.23.31 has just landed! <br>It brings streamlined RFC compliance along with several features and tweaks — definitely worth grabbing while it’s hot!<br><a href="https://github.com/http4s/http4s/releases/tag/v0.23.31" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/http4s/http4s/relea</span><span class="invisible">ses/tag/v0.23.31</span></a><br><a href="https://indieweb.social/tags/Scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scala</span></a> <a href="https://indieweb.social/tags/http4s" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>http4s</span></a></p>
Scala Space<p>Wasm 3.0 is completed, with major new features like GC and exception handling! Scala is now acknowledged as a language that compiles to WebAssembly 🚀<br><a href="https://webassembly.org/news/2025-09-17-wasm-3.0/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">webassembly.org/news/2025-09-1</span><span class="invisible">7-wasm-3.0/</span></a><br>&gt; With these new features, Wasm has much better support for compiling high-level programming languages. Enabled by this, we have seen various new languages popping up to target Wasm, such as Java, OCaml, Scala, Kotlin, Scheme, or Dart, all of which use the new GC feature.<br><a href="https://softwaremill.social/tags/Wasm" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wasm</span></a> <a href="https://softwaremill.social/tags/Scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scala</span></a></p>
Matej Cerny<p>Build beautiful TUI apps with this Elm-style Scala library! ❤️ <a href="https://github.com/mattlianje/layoutz" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">github.com/mattlianje/layoutz</span><span class="invisible"></span></a> <a href="https://witter.cz/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a> <a href="https://witter.cz/tags/elm" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>elm</span></a></p>
Steve Randy Waldman<p>i’m not a big front-end developer, but i’m working on a <a href="https://zirk.us/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a> <a href="https://zirk.us/tags/laminar" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>laminar</span></a> front end and it blows my mind just a bit.</p>
Gerbrand van Dieyen<p>Looking for a new assignment. Senior architect, software engineer. Full stack, with focus on backend and data, favoring fp. I know how to build scalable systems for millions of transactions but like small too.<br>Lately I got a keen interest in geo, so if you have spatial data, I love to help.<br><a href="https://fosstodon.org/tags/FediHire" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FediHire</span></a> <a href="https://fosstodon.org/tags/geo" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>geo</span></a> <a href="https://fosstodon.org/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a> <a href="https://fosstodon.org/tags/Python" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Python</span></a> <a href="https://fosstodon.org/tags/java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>java</span></a></p>
sake92<p>How does your "perfect" build tool looks like?</p><p>Apart from: <br>- it works reliably and correctly<br>- performant/parallel<br>- resources aware, not hogging cpu/memory</p><p><a href="https://fosstodon.org/tags/java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>java</span></a> <a href="https://fosstodon.org/tags/scala" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scala</span></a> <a href="https://fosstodon.org/tags/kotlin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>kotlin</span></a></p>