Announcement

On behalf of the Rakudo development team, I’m glad to announce the
October 2025 release of Rakudo #186. Rakudo is an implementation of
the Raku language. ~ Will Coleda

New in 2025.10:

RakuAST:

• Make UNIT implicits available to dynamic code [4d7234c]
• Doc clarification of fix for #5855 [47746a8]
• Fix indirect methods with feed operators [f6180a3]
• Remove special handling of ‘$]’ [21dd992]
• fix gisting of &?ROUTINE [c9714bf]
• don’t show signature on regex/rule/token [483307f]
• fix deparsing of nameless package-like constructs [0b5bb19]
• fix deparsing of rule/token/with leading doc [726c0e8]

Improvements:

• Make the REPL show lists of Matches better [d6dda7e]
• RakuAST – Make UNIT implicits available to dynamic code [4d7234c]
• RakuAST: Doc clarification of fix for #5855 (R#5855) [47746a8]

Additions:

• Add exit-ok to Test module [7192f67]

Fixes:

• Fix Hash return type error message to match Array behavior [a988e79]
• Bump NQP to get uint JIT fix [4307ec0]
• 6.e – Fix overly permissive lookup into CALLER [5147b67]
• Make sure .are doesn’t infiniloop on lazy lists [49354d0]
• Restore mention of value in typecheck error [1ac895f]

The following people contributed to this release:

Will Coleda, David Simon Schultz, Elizabeth Mattijsen, Justin DeVuyst,
Eric Forste, ab5tract, librasteve, Coleman McFarland, rir, Daniel Green,
Pois.Nada, Richard Hainsworth, Tom Browder, quanrong, raiph

Weeklies

Weekly Challenge #344 is available for your edification.

New Docs Pull Requests

• Update modules.rakudoc by Eric Forste
• regularize Mu’s routine/sub/method headings by Eric Forste
• In signatures.rakudoc: New material on type captures; work on introduction and parameter separators; some fixes here and there by David Schultze
• clarification to class Any, method iterator by Eric Forste
• Update for code on control.rakudoc by Jubilatious1
• In control.rakudoc, show how topicalization with if can be useful by David Schultze

New Pull Requests

• Update ci images by MasterDuke
• Update changelog and version by Will Coleda
• Minor cleanups to release announcement by Will Coleda
• Fix DEPARSE on unamed (anonymous) packages. by David Warring
• Release 2025.10 by Will Coleda
• Coke/GitHub release by Will Coleda
• Coke/test less by Will Coleda
• Unify threads/test_jobs by Will Coleda

New Core Developments

• standardize name by Will Coleda
• minor update on scheduling by Will Coleda
• Merge remote-tracking branch ‘origin/2025.10’ by Will Coleda
• Add a warning so I don’t do that again by Will Coleda
• Fix format specifiers by Prince213
• build_release.yml: Adding latest macos and windows runners by Anton Oks
• Bump rapidhash to v3 by Elizabeth Mattejson
• [release] Bump MoarVM revision to 2025.10 by Will Coleda
• [release] Bump VERSION to 2025.10 by Will Coleda
• RakuAST: don’t show signature on regex/rule/token by Elizabeth Mattejson
• RakuAST: fix deparsing of nameless package-like constructs by Elizabeth Mattejson
• RakuAST: fix deparsing of rule/token/with leading doc by Elizabeth Mattejson
• Eliminate some markdown-isms. by Will Coleda
• minor cleanups in formatting and phrasing by Will Coleda
• don’t use Perl6 in useragent by Will Coleda
• Specify headers from API docs (etc) by Will Coleda
• Avoid keeping the old content length around by Will Coleda
• Remove comments noting step numbers by Will Coleda
• Don’t run spectest on master twice during release by Will Coleda

Questions About Raku

• How to use the raku operator ‘ff’or ‘fff’ in a ‘for lines()’ loop by Norman Gaywood
• Worth Learning by hewhohasdepression
• Help with an issue on MacOS by Fernando Santanaga
• Rationale of return types from subroutines always being nullable? by Quanrong
• How can I find common prefixes in file names to group them? by Jubilatious1
• In consecutive rows: sum 2nd (value) column if IDs in 1st (key) column are identical by Jubilatious1

Comments About Raku

• Also Raku, which has slangs which essentially modify the language syntax. by Ralph Mellor
• About argument parsing … it’s similar to what you describe in Raku by refaktor
• we have something like Raku, which does everything for you automagically by KnorrFG
• Reminds me a bit of the Perl 6/Raku deal. You changed it so much it’s just something else entirely! by pta2002
• Reminds me of raku (perl6) grammars by ktpsns
• I’m leading with Raku due to its web framework and ORM by Steve Roe
• here’s my comparison to https://harcstack.org by Steve Roe

New Raku Modules

• Logic::Ternary by Fernando Correa de Oliveira
• ML::SparseMatrixRecommender, by Anton Antonov

Updated Raku Modules

• YAMLScript by Ingy döt Net
• Term::Choose by Matthäus Kiem
Sparky by Alexey Melezhik
• App::samaki by Brian Duggan
• Terminal::Tests, Terminal::Capabilities, Terminal::LineEditor by Geoffrey Broadwell
• Tie::StdHash, Sub::Name, Sub::Util, Tie::StdArray, P5built-ins, Tie::Hash, Tie::Array, P5tie by Elizabeth Mattijsen
• Math::SparseMatrix::Native, DSL::Shared, Math::SparseMatrix, DSL::English::RecommenderWorkflows by Anton Antonov

Winding down

Congratulations to the development team for the new release. I look forward to getting it – just visit https://raku.org and click Install to try it yourself!

Please keep staying safe and healthy, and keep up the good work! Even after week 39 of hopefully only 209.

Meanwhile, still: Слава Україні!  Героям слава!

~librasteve (editor-in-chief)