typelevel / typelevel/cats

Cats 3 Roadmap

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Dominant language
Scala
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Description

Continued from #2296.

  • @joroKr21 suggests that Cats 3 is Scala-3-only.
  • @LukaJCB and @kailuowang advocated that we only bring break binary compatibility changes to new Scala major versions.
  • @kailuowang drafted a plan in 2019.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the continuation issue #2296 and the Cats 3 plan drafted in the linked 2019 gist. Review the compatibility and Scala-version proposals in the issue discussion; done would require an agreed Cats 3 roadmap, but this issue does not identify implementation files or tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
scala
Domain
backend
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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