# Announcements **URL:** https://discourse.haskell.org/c/announcements/10.md?page=6 [Latest](https://discourse.haskell.org/latest.md) · [Categories](https://discourse.haskell.org/categories.md) · [Tags](https://discourse.haskell.org/tags.md) **Page:** 7 --- ## [Claude Code Plugin with HLS Support](https://discourse.haskell.org/t/claude-code-plugin-with-hls-support/13480)
**Author:** [@m4dc4p](https://discourse.haskell.org/u/m4dc4p)\ **Replies:** 6\ **Last updated:** [January 11, 2026, 3:49pm UTC](https://discourse.haskell.org/t/claude-code-plugin-with-hls-support/13480 "2026-01-11T15:49:58Z")
Claude Code got the ability to work with LSPs directly just recently. That means Claude can get precise type information, find usages of symbols, and all the other great things we get from HLS. I created a plugin to tak… --- ## [New Hackage Server Features](https://discourse.haskell.org/t/new-hackage-server-features/2621)
**Author:** [@sclv](https://discourse.haskell.org/u/sclv)\ **Replies:** 64\ **Last updated:** [January 11, 2026, 7:26am UTC](https://discourse.haskell.org/t/new-hackage-server-features/2621 "2026-01-11T07:26:00Z")
After a pandemic-adjacent interregnum, hackage server is now again being maintained a bit more regularly with occasional feature updates and plans for the future. In the current server release (which had to coincide wit… --- ## [DataFrame January 2026 Updates](https://discourse.haskell.org/t/dataframe-january-2026-updates/13512)
**Author:** [@mchav](https://discourse.haskell.org/u/mchav)\ **Replies:** 2\ **Last updated:** [January 9, 2026, 9:01pm UTC](https://discourse.haskell.org/t/dataframe-january-2026-updates/13512 "2026-01-09T21:01:55Z")
DataFrame update dump (0.3.1.1 → 0.4.0.5): faster, safer, and a lot more expressive I’ve been heads-down shipping a pile of improvements to DataFrame over the last few releases, and I wanted to share a “why you should ca… --- ## [Critical code generation bug with GHC 9.12.3](https://discourse.haskell.org/t/critical-code-generation-bug-with-ghc-9-12-3/13505)
**Author:** [@wz1000](https://discourse.haskell.org/u/wz1000)\ **Replies:** 2\ **Last updated:** [January 8, 2026, 4:38pm UTC](https://discourse.haskell.org/t/critical-code-generation-bug-with-ghc-9-12-3/13505 "2026-01-08T16:38:35Z")
Unfortunately we discovered a major code generation regression in GHC 9.12.3 that results in incorrect runtime results for certain operations involving sub-word divisions. We recommend avoiding upgrading to this minor… --- ## [GHC 9.12.3 is now available](https://discourse.haskell.org/t/ghc-9-12-3-is-now-available/13454)
**Author:** [@wz1000](https://discourse.haskell.org/u/wz1000)\ **Replies:** 9\ **Last updated:** [January 8, 2026, 10:35am UTC](https://discourse.haskell.org/t/ghc-9-12-3-is-now-available/13454 "2026-01-08T10:35:00Z")
The GHC developers are very pleased to announce the release of GHC 9.12.3. Binary distributions, source distributions, and documentation are available at downloads.haskell.org. GHC 9.12.3 is a bug-fix release fixing m… --- ## [Scotty 0.30 \[release\]](https://discourse.haskell.org/t/scotty-0-30-release/13494)
**Author:** [@ocramz](https://discourse.haskell.org/u/ocramz)\ **Replies:** 3\ **Last updated:** [January 8, 2026, 10:30am UTC](https://discourse.haskell.org/t/scotty-0-30-release/13494 "2026-01-08T10:30:14Z")
Hi everyone, I’m very happy to announce the latest release of scotty :tada: This release is packed with useful features and long-due updates (hence the large version bump): Completes the deprecation cycle for the … --- ## [\[ANN\] Skeletest 0.3.1](https://discourse.haskell.org/t/ann-skeletest-0-3-1/13501)
**Author:** [@brandonchinn178](https://discourse.haskell.org/u/brandonchinn178)\ **Replies:** 0\ **Last updated:** [January 7, 2026, 8:31pm UTC](https://discourse.haskell.org/t/ann-skeletest-0-3-1/13501 "2026-01-07T20:31:51Z")
Skeletest is a batteries-included, opinionated test framework heavily inspired by pytest and jest. Biggest feature in v0.3.1 is that stdout and stderr are automatically captured during tests, and are only displayed if… --- ## [MicroHs v0.15.0.0](https://discourse.haskell.org/t/microhs-v0-15-0-0/13422)
**Author:** [@augustss](https://discourse.haskell.org/u/augustss)\ **Replies:** 8\ **Last updated:** [January 5, 2026, 7:05pm UTC](https://discourse.haskell.org/t/microhs-v0-15-0-0/13422 "2026-01-05T19:05:00Z")
There is a new version of MicroHs on GitHub. There are lots of little changes, and more packages on Hackage now compile. Release notes: Features New language extensions EmptyDataDeriving NondecreasingIndentation Mon… --- ## [\[ANN\] kdl-hs: Parser for KDL configuration files](https://discourse.haskell.org/t/ann-kdl-hs-parser-for-kdl-configuration-files/13488)
**Author:** [@brandonchinn178](https://discourse.haskell.org/u/brandonchinn178)\ **Replies:** 14\ **Last updated:** [January 4, 2026, 9:46pm UTC](https://discourse.haskell.org/t/ann-kdl-hs-parser-for-kdl-configuration-files/13488 "2026-01-04T21:46:38Z")
KDL is a nifty configuration language I recently found, and I think it’d be cool to start seeing more uses of it. There was a Haskell library to parse it, but that library didn’t have an easy API to decode the AST into a… --- ## [New Cloud Haskell transport layer based on QUIC](https://discourse.haskell.org/t/new-cloud-haskell-transport-layer-based-on-quic/13471)
**Author:** [@LaurentRDC](https://discourse.haskell.org/u/LaurentRDC)\ **Replies:** 4\ **Last updated:** [January 1, 2026, 11:35pm UTC](https://discourse.haskell.org/t/new-cloud-haskell-transport-layer-based-on-quic/13471 "2026-01-01T23:35:36Z")
As my last open-source contribution of 2025, I have released network-transport-quic, a networking backend for Cloud Haskell based on the QUIC protocol. QUIC is a protocol that is gaining popularity due in part by HTTP3.… --- ## [Cabal 3.16.1.0 released](https://discourse.haskell.org/t/cabal-3-16-1-0-released/13476)
**Author:** [@f-a](https://discourse.haskell.org/u/f-a)\ **Replies:** 0\ **Last updated:** [January 1, 2026, 12:33pm UTC](https://discourse.haskell.org/t/cabal-3-16-1-0-released/13476 "2026-01-01T12:33:02Z")
The Cabal team is happy to announce the release of cabal-install 3.16.1.0 and its related libraries. cabal-install is a command-line build system for Haskell programs and libraries. What’s new? This is a point-relese, … --- ## [The \`prettyprinter\` library needs maintainers](https://discourse.haskell.org/t/the-prettyprinter-library-needs-maintainers/13466)
**Author:** [@Kleidukos](https://discourse.haskell.org/u/Kleidukos)\ **Replies:** 1\ **Last updated:** [January 1, 2026, 12:02pm UTC](https://discourse.haskell.org/t/the-prettyprinter-library-needs-maintainers/13466 "2026-01-01T12:02:07Z")
Apparently the library needs a new influx of maintainers, ideally people who are also users. See the announcement at New maintainers needed! · Issue #272 · quchen/prettyprinter · GitHub --- ## [First release candidate for Stack 3.9.1](https://discourse.haskell.org/t/first-release-candidate-for-stack-3-9-1/13439)
**Author:** [@mpilgrem](https://discourse.haskell.org/u/mpilgrem)\ **Replies:** 0\ **Last updated:** [December 20, 2025, 9:56pm UTC](https://discourse.haskell.org/t/first-release-candidate-for-stack-3-9-1/13439 "2025-12-20T21:56:32Z")
You can download binaries for this pre-release now from Release rc/v3.9.0.1 (release candidate) · commercialhaskell/stack · GitHub. It should be available also via GHCup’s prereleases channel soon. Please test it and… --- ## [GHC 9.12.3-rc3 is now available](https://discourse.haskell.org/t/ghc-9-12-3-rc3-is-now-available/13391)
**Author:** [@wz1000](https://discourse.haskell.org/u/wz1000)\ **Replies:** 6\ **Last updated:** [December 18, 2025, 2:17pm UTC](https://discourse.haskell.org/t/ghc-9-12-3-rc3-is-now-available/13391 "2025-12-18T14:17:32Z")
The GHC developers are very pleased to announce the availability of the third release candidate for GHC 9.12.3. Binary distributions, source distributions, and documentation are available at downloads.haskell.org and … --- ## [Cql-io: Package Candidate for 2.0.0.1 release](https://discourse.haskell.org/t/cql-io-package-candidate-for-2-0-0-1-release/13419)
**Author:** [@iteratee](https://discourse.haskell.org/u/iteratee)\ **Replies:** 0\ **Last updated:** [December 16, 2025, 11:32pm UTC](https://discourse.haskell.org/t/cql-io-package-candidate-for-2-0-0-1-release/13419 "2025-12-16T23:32:47Z")
I’m planning on releasing a patch update to cql-io. This update improves the error handling and solves a longstanding issue with uncaught “While handling” exceptions. The candidate is currently available on hackage. Any… --- ## [\[ANN\] xreferee: Enforce cross references across a repository](https://discourse.haskell.org/t/ann-xreferee-enforce-cross-references-across-a-repository/13412)
**Author:** [@brandonchinn178](https://discourse.haskell.org/u/brandonchinn178)\ **Replies:** 2\ **Last updated:** [December 15, 2025, 4:59pm UTC](https://discourse.haskell.org/t/ann-xreferee-enforce-cross-references-across-a-repository/13412 "2025-12-15T16:59:40Z")
Finally released a tool that’s not just a Haskell library! --- ## [🎉 ClickHaskell 1.0.0 is out](https://discourse.haskell.org/t/clickhaskell-1-0-0-is-out/13407)
**Author:** [@KovalevDima](https://discourse.haskell.org/u/KovalevDima)\ **Replies:** 0\ **Last updated:** [December 14, 2025, 8:38am UTC](https://discourse.haskell.org/t/clickhaskell-1-0-0-is-out/13407 "2025-12-14T08:38:58Z")
ClickHaskell 1.0.0 is out! GitHub release | Hackage package Highlights: TLS support (as a separate package ClickHaskell-tls) 2x performance optimization on select/insert Statements generators with type-safe settings … --- ## [Layoutz 0.2.0 : A tiny zero-dep lib for beautiful Elm-style TUI's in Haskell 🪶](https://discourse.haskell.org/t/layoutz-0-2-0-a-tiny-zero-dep-lib-for-beautiful-elm-style-tuis-in-haskell/13363)
**Author:** [@mattlianje](https://discourse.haskell.org/u/mattlianje)\ **Replies:** 2\ **Last updated:** [December 5, 2025, 8:30pm UTC](https://discourse.haskell.org/t/layoutz-0-2-0-a-tiny-zero-dep-lib-for-beautiful-elm-style-tuis-in-haskell/13363 "2025-12-05T20:30:20Z")
Layoutz lets you snap together compositional String elements: and now comes w/ a runtime to animate these layouts (much like a flipbook), handle keyboard inputs, fire off side effects (basically what you’d expect from en… --- ## [GHC 9.14.1-rc3 is now available to download](https://discourse.haskell.org/t/ghc-9-14-1-rc3-is-now-available-to-download/13352)
**Author:** [@wz1000](https://discourse.haskell.org/u/wz1000)\ **Replies:** 4\ **Last updated:** [December 3, 2025, 9:51am UTC](https://discourse.haskell.org/t/ghc-9-14-1-rc3-is-now-available-to-download/13352 "2025-12-03T09:51:45Z")
The GHC developers are very pleased to announce the availability of the third release candidate of GHC 9.14.1. Binary distributions, source distributions, and documentation are available at downloads.haskell.org. The ch… --- ## [GHC 9.12.3-rc2 is now available](https://discourse.haskell.org/t/ghc-9-12-3-rc2-is-now-available/13252)
**Author:** [@wz1000](https://discourse.haskell.org/u/wz1000)\ **Replies:** 2\ **Last updated:** [December 3, 2025, 7:16am UTC](https://discourse.haskell.org/t/ghc-9-12-3-rc2-is-now-available/13252 "2025-12-03T07:16:58Z")
The GHC developers are very pleased to announce the availability of the second release candidate for GHC 9.12.3. Binary distributions, source distributions, and documentation are available at downloads.haskell.org and … --- ## [Midlands Graduate School, 13-17 April 2026, Nottingham, UK](https://discourse.haskell.org/t/midlands-graduate-school-13-17-april-2026-nottingham-uk/13344)
**Author:** [@GrahamHutton](https://discourse.haskell.org/u/GrahamHutton)\ **Replies:** 0\ **Last updated:** [December 1, 2025, 10:07am UTC](https://discourse.haskell.org/t/midlands-graduate-school-13-17-april-2026-nottingham-uk/13344 "2025-12-01T10:07:17Z")
The next Midlands Graduate School (MGS) in the Foundations of Computing Science will be held 13-17 April 2026 in Nottingham, UK. Eight fantastic courses on category theory, homotopy type theory, lambda calculus, and mor… --- ## [Microhs support for the numhask family](https://discourse.haskell.org/t/microhs-support-for-the-numhask-family/13336)
**Author:** [@tonyday567](https://discourse.haskell.org/u/tonyday567)\ **Replies:** 7\ **Last updated:** [November 30, 2025, 1:35am UTC](https://discourse.haskell.org/t/microhs-support-for-the-numhask-family/13336 "2025-11-30T01:35:22Z")
Hi everyone. I’m in the process of refactoring some libraries to target MicroHs (mhs). For users of these libraries, unfortunately a decision has been made and we are going to freeze development for a time, as opportunit… --- ## [GHC 9.6.7 is now available](https://discourse.haskell.org/t/ghc-9-6-7-is-now-available/11697)
**Author:** [@Kleidukos](https://discourse.haskell.org/u/Kleidukos)\ **Replies:** 12\ **Last updated:** [November 25, 2025, 10:29am UTC](https://discourse.haskell.org/t/ghc-9-6-7-is-now-available/11697 "2025-11-25T10:29:28Z")
The GHC developers are very pleased to announce the availability of GHC 9.6.7. Binary distributions, source distributions, and documentation are available at https://downloads.haskell.org/ghc/9.6.7. We hope to have th… --- ## [Proposal to simplify (static e) slightly: call for comments](https://discourse.haskell.org/t/proposal-to-simplify-static-e-slightly-call-for-comments/13290)
**Author:** [@simonpj](https://discourse.haskell.org/u/simonpj)\ **Replies:** 10\ **Last updated:** [November 24, 2025, 5:35pm UTC](https://discourse.haskell.org/t/proposal-to-simplify-static-e-slightly-call-for-comments/13290 "2025-11-24T17:35:37Z")
Do you use the StaticPointers extension at all (manual entry)? Or Cloud Haskell? I’m proposing to simplify the specification of (static e) expressions very slightly, which might affect you. Here is the GHC proposal. I… --- ## [\[ANN\] type-level-prng: Type level PRNGs](https://discourse.haskell.org/t/ann-type-level-prng-type-level-prngs/13316)
**Author:** [@raehik](https://discourse.haskell.org/u/raehik)\ **Replies:** 0\ **Last updated:** [November 24, 2025, 10:35am UTC](https://discourse.haskell.org/t/ann-type-level-prng-type-level-prngs/13316 "2025-11-24T10:35:06Z")
A handful of PRNGs defined on GHC’s type-level Naturals. While writing a type-level program, I found myself wanting random selection. This is in support of that. It’s unergonomic (you must keep track of PRNG state man… --- ## [Haskell.org Committee: Call for Nominations (2026 - 2028 Term)](https://discourse.haskell.org/t/haskell-org-committee-call-for-nominations-2026-2028-term/13292)
**Author:** [@rebeccaskinner](https://discourse.haskell.org/u/rebeccaskinner)\ **Replies:** 0\ **Last updated:** [November 20, 2025, 12:20am UTC](https://discourse.haskell.org/t/haskell-org-committee-call-for-nominations-2026-2028-term/13292 "2025-11-20T00:20:56Z")
Dear Haskellers, We are pleased to announce that nominations are now open for the Haskell.org committee. You can nominate yourself or a friend for a three-year term (2026-2028) by sending an email to \[committee at has… --- ## [Get-tested v0.1.9.1 released](https://discourse.haskell.org/t/get-tested-v0-1-9-1-released/13279)
**Author:** [@Kleidukos](https://discourse.haskell.org/u/Kleidukos)\ **Replies:** 0\ **Last updated:** [November 16, 2025, 7:12pm UTC](https://discourse.haskell.org/t/get-tested-v0-1-9-1-released/13279 "2025-11-16T19:12:28Z")
Read about get-tested. get-tested v0.1.9.0 and v0.1.9.1 have been released! These releases bring improvements for better compatibility between versions of the CLI tool and the action. Moreover, thanks to new release wo… --- ## [\[ANN\] Hindsight: Typesafe, Evolvable Event Sourcing](https://discourse.haskell.org/t/ann-hindsight-typesafe-evolvable-event-sourcing/13179)
**Author:** [@gdeest](https://discourse.haskell.org/u/gdeest)\ **Replies:** 10\ **Last updated:** [November 15, 2025, 8:49pm UTC](https://discourse.haskell.org/t/ann-hindsight-typesafe-evolvable-event-sourcing/13179 "2025-11-15T20:49:39Z")
I’m excited to announce Hindsight, an event sourcing library I’ve been working on for a while. Announcement blog post GitHub repository Documentation Some of you might remember my Munihac 2025 presentation. I am happ… --- ## [Expired cert for haskell.org, now repaired](https://discourse.haskell.org/t/expired-cert-for-haskell-org-now-repaired/13255)
**Author:** [@chreekat](https://discourse.haskell.org/u/chreekat)\ **Replies:** 0\ **Last updated:** [November 11, 2025, 6:33pm UTC](https://discourse.haskell.org/t/expired-cert-for-haskell-org-now-repaired/13255 "2025-11-11T18:33:12Z")
Hi all, I’ve been working quietly in the background to improve the reliability of Haskell infrastructure. Most visibly, I just repaired the TLS cert for haskell.org, which had expired. Recently, I also improved the dis… --- ## [GHC Steering Committee: Call for Nominations](https://discourse.haskell.org/t/ghc-steering-committee-call-for-nominations/13124)
**Author:** [@simonmar](https://discourse.haskell.org/u/simonmar)\ **Replies:** 1\ **Last updated:** [November 7, 2025, 9:53am UTC](https://discourse.haskell.org/t/ghc-steering-committee-call-for-nominations/13124 "2025-11-07T09:53:55Z")
Dear Haskellers, The GHC Steering Committee is seeking nominations for new members. To nominate yourself please send an email to Simon Marlow marlowsd@gmail.com, briefly summarising your background and relevant experie… [Previous page](https://discourse.haskell.org/c/announcements/10.md?page=5) [Next page](https://discourse.haskell.org/c/announcements/10.md?page=7)