# Announcements

**URL:** https://forum.codecrafters.io/c/announcements/10.md?page=1

[Latest](https://forum.codecrafters.io/latest.md) · [Categories](https://forum.codecrafters.io/categories.md) · [Tags](https://forum.codecrafters.io/tags.md)

**Page:** 2

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## [Scala track now supports Interpreter](https://forum.codecrafters.io/t/scala-track-now-supports-interpreter/15601)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 1\
**Last updated:** [February 13, 2026, 1:37am UTC](https://forum.codecrafters.io/t/scala-track-now-supports-interpreter/15601 "2026-02-13T01:37:58Z")

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Hey everyone! The Scala track now includes the Build your own Interpreter challenge. Ready to put your Scala skills to the test? Jump into the Scala track, and let us know how it goes!

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## [OCaml track now supports Shell](https://forum.codecrafters.io/t/ocaml-track-now-supports-shell/15895)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [February 11, 2026, 3:23am UTC](https://forum.codecrafters.io/t/ocaml-track-now-supports-shell/15895 "2026-02-11T03:23:25Z")

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Hey everyone! The OCaml track now includes the Build your own Shell challenge. Ready to put your OCaml skills to the test? Jump into the OCaml track, and let us know how it goes!

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## [Code Examples Improvements #3: Automatic formatting](https://forum.codecrafters.io/t/code-examples-improvements-3-automatic-formatting/15872)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [February 11, 2026, 12:49am UTC](https://forum.codecrafters.io/t/code-examples-improvements-3-automatic-formatting/15872 "2026-02-11T00:49:33Z")

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Hey everyone! Code examples are now automatically formatted for every language we support. Previously, automatic formatting was only applied to a handful of our most popular languages. For other languages, examples cou…

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## [February 2026 Roadmap](https://forum.codecrafters.io/t/february-2026-roadmap/15866)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 2\
**Last updated:** [February 10, 2026, 1:35pm UTC](https://forum.codecrafters.io/t/february-2026-roadmap/15866 "2026-02-10T13:35:33Z")

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Hey everyone! Here’s what’s upcoming for February 2026: “Filename completion” extension for Build your own Shell Language support: OCaml support for Build your own Shell Haskell support for Build your own Interpr…

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## [New Feature: Language Leaderboards](https://forum.codecrafters.io/t/new-feature-language-leaderboards/15873)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [February 5, 2026, 6:50pm UTC](https://forum.codecrafters.io/t/new-feature-language-leaderboards/15873 "2026-02-05T18:50:12Z")

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Hey everyone! You can now see how you rank against other engineers in each individual language you use on CodeCrafters. Engineers from top companies around the world use CodeCrafters to sharpen their skills, and now…

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## [Introducing ANSI101.com](https://forum.codecrafters.io/t/introducing-ansi101-com/15874)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [February 4, 2026, 7:17pm UTC](https://forum.codecrafters.io/t/introducing-ansi101-com/15874 "2026-02-04T19:17:34Z")

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Hey everyone! We’ve launched ANSI101.com, a visual debugger for ANSI escape sequences! If you’ve ever wondered how terminal colors, cursor movements, or rich text in the terminal actually work, ANSI101 makes it simp…

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## [New challenge: Build your own Claude Code](https://forum.codecrafters.io/t/new-challenge-build-your-own-claude-code/15865)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [February 4, 2026, 6:54am UTC](https://forum.codecrafters.io/t/new-challenge-build-your-own-claude-code/15865 "2026-02-04T06:54:23Z")

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Hey everyone! We’ve just released Build your own Claude Code, now live in beta. Learn about LLM APIs, tool use, how agent loops work and more. Currently available in Rust/Python/Go/TS/JS. We’ll be expanding language…

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## [Elixir track now supports DNS server](https://forum.codecrafters.io/t/elixir-track-now-supports-dns-server/15864)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [February 1, 2026, 10:58pm UTC](https://forum.codecrafters.io/t/elixir-track-now-supports-dns-server/15864 "2026-02-01T22:58:33Z")

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Hey everyone! The Elixir track now includes the Build your own DNS server challenge. Ready to put your Elixir skills to the test? Jump into the Elixir track, and let us know how it goes!

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## [January 2026 Roadmap](https://forum.codecrafters.io/t/january-2026-roadmap/15729)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 11\
**Last updated:** [January 31, 2026, 5:50am UTC](https://forum.codecrafters.io/t/january-2026-roadmap/15729 "2026-01-31T05:50:16Z")

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Hey everyone! Here’s what’s upcoming for January 2026: New challenge: Build your own Claude Code Language support: Scala support for Build your own Shell OCaml support for Build your own HTTP server Elixir suppor…

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## [New in OCaml Track: HTTP Server Challenge + v5.4 Support](https://forum.codecrafters.io/t/new-in-ocaml-track-http-server-challenge-v5-4-support/15842)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [January 28, 2026, 8:13am UTC](https://forum.codecrafters.io/t/new-in-ocaml-track-http-server-challenge-v5-4-support/15842 "2026-01-28T08:13:19Z")

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Hey everyone! The OCaml track now includes the Build your own HTTP Sever challenge. We’ve also upgraded OCaml to version 5.4 across all supported challenges. Ready to put your OCaml skills to the test? Jump into the O…

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## [Gleam 1.14 is now available!](https://forum.codecrafters.io/t/gleam-1-14-is-now-available/15830)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [January 26, 2026, 2:52am UTC](https://forum.codecrafters.io/t/gleam-1-14-is-now-available/15830 "2026-01-26T02:52:01Z")

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Hey everyone! The default Gleam version has been updated across all supported challenges! Previously running on v1.13, we’ve now upgraded to v1.14. To use the latest version, be sure to update the buildpack version in…

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## [Scala track now supports Shell](https://forum.codecrafters.io/t/scala-track-now-supports-shell/15780)

<div class="topic-metadata">

**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [January 14, 2026, 8:36pm UTC](https://forum.codecrafters.io/t/scala-track-now-supports-shell/15780 "2026-01-14T20:36:05Z")

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Hey everyone! The Scala track now includes the Build your own Shell challenge. Ready to put your Scala skills to the test? Jump into the Scala track, and let us know how it goes!

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## [New extension: Highlighting (grep)](https://forum.codecrafters.io/t/new-extension-highlighting-grep/15603)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [December 20, 2025, 2:21am UTC](https://forum.codecrafters.io/t/new-extension-highlighting-grep/15603 "2025-12-20T02:21:10Z")

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The next extension for the grep challenge is now live: Highlighting. This extension introduces the --color=always flag, enabling matched text to be visually highlighted directly in the output. By the end of this ext…

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## [Gleam 1.13 is now available!](https://forum.codecrafters.io/t/gleam-1-13-is-now-available/15676)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [December 18, 2025, 1:12pm UTC](https://forum.codecrafters.io/t/gleam-1-13-is-now-available/15676 "2025-12-18T13:12:10Z")

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Hey everyone! The default Gleam version has been updated across all supported challenges! Previously running on v1.11, we’ve now upgraded to v1.13. To use the latest version, be sure to update the buildpack version in…

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## [Elixir track now supports Kafka](https://forum.codecrafters.io/t/elixir-track-now-supports-kafka/15677)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [December 18, 2025, 4:30am UTC](https://forum.codecrafters.io/t/elixir-track-now-supports-kafka/15677 "2025-12-18T04:30:40Z")

</div>

Hey everyone! The Elixir track now includes the Build your own Kafka challenge. Ready to put your Elixir skills to the test? Jump into the Elixir track, and let us know how it goes!

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## [Scala track now supports HTTP server](https://forum.codecrafters.io/t/scala-track-now-supports-http-server/15665)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [December 16, 2025, 5:00am UTC](https://forum.codecrafters.io/t/scala-track-now-supports-http-server/15665 "2025-12-16T05:00:29Z")

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Hey everyone! The Scala track now includes the Build your own HTTP server challenge. Ready to put your Scala skills to the test? Jump into the Scala track, and let us know how it goes!

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## [Elixir 1.19 is now available!](https://forum.codecrafters.io/t/elixir-1-19-is-now-available/15664)

<div class="topic-metadata">

**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [December 16, 2025, 4:30am UTC](https://forum.codecrafters.io/t/elixir-1-19-is-now-available/15664 "2025-12-16T04:30:44Z")

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Hey everyone! The default Elixir version has been updated across all supported challenges! Previously running on v1.18, we’ve now upgraded to v1.19. To use the latest version, be sure to update the buildpack version i…

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## [C track now supports grep](https://forum.codecrafters.io/t/c-track-now-supports-grep/15644)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [December 15, 2025, 2:52am UTC](https://forum.codecrafters.io/t/c-track-now-supports-grep/15644 "2025-12-15T02:52:43Z")

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Hey everyone! The C track now includes the Build your own grep challenge, which means it now supports all CodeCrafters challenges. Ready to put your C skills to the test? Jump into the C track, and let us know how it g…

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## [Ruby 3.4 is now available!](https://forum.codecrafters.io/t/ruby-3-4-is-now-available/15643)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [December 9, 2025, 7:03pm UTC](https://forum.codecrafters.io/t/ruby-3-4-is-now-available/15643 "2025-12-09T19:03:27Z")

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Hey everyone! The default Ruby version has been updated across all supported challenges! Previously running on v3.3, we’ve now upgraded to v3.4. To use the latest version, be sure to update the buildpack version in yo…

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## [New coat of paint: Dark mode is the default](https://forum.codecrafters.io/t/new-coat-of-paint-dark-mode-is-the-default/15619)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [December 4, 2025, 6:42am UTC](https://forum.codecrafters.io/t/new-coat-of-paint-dark-mode-is-the-default/15619 "2025-12-04T06:42:05Z")

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Hey everyone! We’ve made dark mode the default for all users. Prefer the light mode? No worries, you can switch back anytime. Let us know if you spot anything off or have feedback!

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## [December 2025 Roadmap](https://forum.codecrafters.io/t/december-2025-roadmap/15542)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 3\
**Last updated:** [December 3, 2025, 8:56am UTC](https://forum.codecrafters.io/t/december-2025-roadmap/15542 "2025-12-03T08:56:29Z")

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Hey everyone! Here’s what’s upcoming for December 2025: “Printing matches” extension for Build your own grep “Multiple matches” extension for Build your own grep “Highlighting” extension for Build your own grep …

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## [New in PHP Track: HTTP Server challenge + v8.5 Support](https://forum.codecrafters.io/t/new-in-php-track-http-server-challenge-v8-5-support/15599)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [December 2, 2025, 1:30pm UTC](https://forum.codecrafters.io/t/new-in-php-track-http-server-challenge-v8-5-support/15599 "2025-12-02T13:30:39Z")

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Hey everyone! The PHP track now includes the Build your own HTTP Sever challenge. We’ve also upgraded PHP to version 8.5 across all supported challenges. Ready to put your PHP skills to the test? Jump into the PHP tra…

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## [New extension: Multiple Matches (grep)](https://forum.codecrafters.io/t/new-extension-multiple-matches-grep/15575)

<div class="topic-metadata">

**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [November 30, 2025, 7:45pm UTC](https://forum.codecrafters.io/t/new-extension-multiple-matches-grep/15575 "2025-11-30T19:45:46Z")

</div>

The next extension for the grep challenge is now live: Multiple Matches. This extension introduces the -o flag (–only-matching), which prints just the portion of each line that matches the pattern, rather than the entir…

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## [New extension: Printing Matches (grep)](https://forum.codecrafters.io/t/new-extension-printing-matches-grep/15574)

<div class="topic-metadata">

**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [November 26, 2025, 12:37pm UTC](https://forum.codecrafters.io/t/new-extension-printing-matches-grep/15574 "2025-11-26T12:37:30Z")

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The next extension for the grep challenge is now live: Printing Matches. By the end of this extension, your grep implementation will support printing multiple matched lines. $ echo -ne "line1\\nline\_two\\nline3" | gre…

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## [C track now supports Kafka](https://forum.codecrafters.io/t/c-track-now-supports-kafka/15548)

<div class="topic-metadata">

**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [November 18, 2025, 6:58pm UTC](https://forum.codecrafters.io/t/c-track-now-supports-kafka/15548 "2025-11-18T18:58:38Z")

</div>

Hey everyone! The C track now includes the Build your own Kafka challenge. Ready to put your C skills to the test? Jump into the C track, and let us know how it goes!

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## [GCC 15.2 is now available!](https://forum.codecrafters.io/t/gcc-15-2-is-now-available/15520)

<div class="topic-metadata">

**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 1\
**Last updated:** [November 13, 2025, 7:47pm UTC](https://forum.codecrafters.io/t/gcc-15-2-is-now-available/15520 "2025-11-13T19:47:48Z")

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The default C and C++ versions have been upgraded across all supported challenges! They were previously running on GCC v14.3, and are now on GCC v15.2.

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## [New extension: Authentication (Redis)](https://forum.codecrafters.io/t/new-extension-authentication-redis/15375)

<div class="topic-metadata">

**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [November 6, 2025, 4:51pm UTC](https://forum.codecrafters.io/t/new-extension-authentication-redis/15375 "2025-11-06T16:51:10Z")

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The next extension for the Redis challenge is now live: Authentication. Redis allows you to control access by requiring clients to authenticate with a password. The default user has full access with no password, but thi…

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## [Python: Now on uv, with v3.14 Support](https://forum.codecrafters.io/t/python-now-on-uv-with-v3-14-support/15472)

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**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [October 30, 2025, 10:55pm UTC](https://forum.codecrafters.io/t/python-now-on-uv-with-v3-14-support/15472 "2025-10-30T22:55:09Z")

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Hey everyone! We’ve just shipped some exciting updates to the Python track: Switched from pipenv to uv as the package manager Upgraded Python version to 3.14 for all challenges If you run into any issues or have sugg…

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## [New extension: Producing Messages (Kafka)](https://forum.codecrafters.io/t/new-extension-producing-messages-kafka/14082)

<div class="topic-metadata">

**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 3\
**Last updated:** [October 29, 2025, 2:32pm UTC](https://forum.codecrafters.io/t/new-extension-producing-messages-kafka/14082 "2025-10-29T14:32:34Z")

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The next extension for the Kafka challenge is now live: Producing Messages. The Produce API in Apache Kafka enables producers to send messages to brokers, ensuring persistence by reliably storing those messages on disk …

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## [November 2025 Roadmap](https://forum.codecrafters.io/t/november-2025-roadmap/15352)

<div class="topic-metadata">

**Author:** [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Replies:** 0\
**Last updated:** [October 28, 2025, 4:06am UTC](https://forum.codecrafters.io/t/november-2025-roadmap/15352 "2025-10-28T04:06:35Z")

</div>

Hey everyone! Here’s what’s upcoming for November 2025: “Authentication” extension for Build your own Redis Language support: C support for Build your own Kafka PHP support for Build your own HTTP server Scala su…

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