December 2025 Roadmap

Announcements
1

Hey everyone!

Here’s what’s upcoming for December 2025:

“Printing matches” extension for Build your own grep

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“Multiple matches” extension for Build your own grep

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“Highlighting” extension for Build your own grep

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Language support:

  • C support for Build your own grep
  • Scala support for Build your own HTTP Server
  • Elixir support for Build your own Kafka

We try our best to stick to user votes, so if you’d like to influence what we build in the upcoming months, please vote / suggest ideas here!

3

Do you know what will be free challenge this month?

4

@gurjaspalbedi The free challenge for December is Build your own Shell.

5

@andy1li thanks