Repository Issues

typelevel/cats-effect

The pure asynchronous runtime for Scala

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Stars
 (2,230 stars)
Forks
 (572 forks)
Indexed issues
 (8 indexed issues)
open beginner issues
 (8 open beginner issues)
Latest indexed
Jul 17, 2026
Last GitHub push
May 10, 2026
License
Apache License 2.0
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
Scala
PR merge metrics
 (Avg merge 21d 23h) (18 merged PRs in 30d)
Beginner labels
good first issue

Issues

8 open indexed issues

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Open
Add `Lock` to std
:mushroom: enhancementgood first issue

typelevel/cats-effect #3,535 opened Apr 15, 2023 · Scala · 2,230 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
6 comments2 reactions1 assignee
Open
TestKit: how to set the Clock?
:mushroom: enhancementgood first issue

typelevel/cats-effect #3,309 opened Dec 6, 2022 · Scala · 2,230 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
7 comments0 reactions0 assignees
Open
A little more `IO` and a little less `F[_]`
:books: docsgood first issue🥺 help wanted

typelevel/cats-effect #3,133 opened Aug 27, 2022 · Scala · 2,230 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
13 comments10 reactions2 assignees
Open
Smarter version numbers in the docs
:books: docsgood first issue

typelevel/cats-effect #523 opened May 1, 2019 · Scala · 2,230 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
23 comments1 reaction0 assignees