Repository Issues

typelevel/cats-effect

The pure asynchronous runtime for Scala

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 (2,230 stars)
Forks
 (572 forks)
Indexed issues
 (8 indexed issues)
open beginner issues
 (8 open beginner issues)
Latest indexed
Aug 14, 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 indexed issues

Open
Add `Lock` to std
:mushroom: enhancementgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

typelevel / cats-effect · #3535 · Apr 15, 2023 · Scala · 2,230 stars

6 comments2 reactions1 assignee
Open
TestKit: how to set the Clock?
:mushroom: enhancementgood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

typelevel / cats-effect · #3309 · Dec 6, 2022 · Scala · 2,230 stars

7 comments0 reactions0 assignees
Open
A little more `IO` and a little less `F[_]`
:books: docsgood first issue🥺 help wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

typelevel / cats-effect · #3133 · Aug 27, 2022 · Scala · 2,230 stars

13 comments10 reactions2 assignees
Open
Smarter version numbers in the docs
:books: docsgood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

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

23 comments1 reaction0 assignees