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Block in-place if running on a virtual thread

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 3870

#3870 In typelevel/cats-effect;

· by armanbilge was closed on Nov 23, 2023

Add a memoizedAcquire method to Resource

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 4105

#4105 In typelevel/cats-effect;

· by satabin was closed on Dec 8, 2024

Refactor Ref#mapK to take Functor[G] constraint instead of Functor[F]

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 4115

#4115 In typelevel/cats-effect;

· by armanbilge was closed on Oct 25, 2024

cats.mtl.Local[IO, E] from IOLocal[E]

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 3429

#3429 In typelevel/cats-effect;

· by rossabaker was closed on Nov 25, 2024

Embed cats.syntax.all._ into IO.

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 3532

#3532 In typelevel/cats-effect;

· by kamilkloch was closed on Mar 5, 2024

Dynamically bypass selector polling if no I/O events are present

🪲 bug

Cirrus JVM

Status: Merged (completed).

typelevel/cats-effectnumber 4377

#4377 In typelevel/cats-effect;

· by djspiewak was closed on Jul 7, 2025

Implement a safer Resource.attempt which releases acquired resource(s) in case of error

🪲 bug

Status: Merged (completed).

typelevel/cats-effectnumber 4128

#4128 In typelevel/cats-effect;

· by lenguyenthanh was closed on Nov 22, 2024

Make IO#onError consistent with ApplicativeError

🪲 bug

Status: Merged (completed).

typelevel/cats-effectnumber 4121

#4121 In typelevel/cats-effect;

· by lenguyenthanh was closed on Aug 28, 2024

Make joinWithNever attempting self cancelling

🪲 bug

Status: Closed (abandoned).

typelevel/cats-effectnumber 4131

#4131 In typelevel/cats-effect;

· by lenguyenthanh was closed on Oct 25, 2024

Add default constructor for MapRef

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 4139

#4139 In typelevel/cats-effect;

· by yisraelU was closed on Nov 21, 2024

Add ownPoller

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 4133

#4133 In typelevel/cats-effect;

· by armanbilge was closed on Oct 29, 2024

Quick and dirty unsafe queue API

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 3975

#3975 In typelevel/cats-effect;

· by djspiewak was closed on May 30, 2024

Always report timers/events when worker unparked

🪲 bug

Status: Merged (completed).

typelevel/cats-effectnumber 4227

#4227 In typelevel/cats-effect;

· by armanbilge was closed on Jan 6, 2025

Add helpers to Selector poller

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 4226

#4226 In typelevel/cats-effect;

· by armanbilge was closed on Jan 5, 2025

Introduce PollResult, PollingSystem#processReadyEvents

🪲 bug

‼️ binary breaking ‼️

Status: Merged (completed).

typelevel/cats-effectnumber 4230

#4230 In typelevel/cats-effect;

· by armanbilge was closed on Jan 9, 2025

Fix MapRef.fromSeqRefs vulnerability

🪲 bug

Status: Merged (completed).

typelevel/cats-effectnumber 4208

#4208 In typelevel/cats-effect;

· by underskyer was closed on Dec 21, 2024

"completed" -> "succeeded" in PollerMetrics

🎨 backstage

Status: Merged (completed).

typelevel/cats-effectnumber 4210

#4210 In typelevel/cats-effect;

· by armanbilge was closed on Dec 20, 2024

Add message to requirements

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 4259

#4259 In typelevel/cats-effect;

· by Jasper-M was closed on Jan 28, 2025

Transfer tick state when replacing a blocked thread

🪲 bug

Cirrus JVM

Status: Merged (completed).

typelevel/cats-effectnumber 4264

#4264 In typelevel/cats-effect;

· by armanbilge was closed on Feb 5, 2025

Create UnsafeNonFatal for use in the fiber runtime

🪲 bug

Status: Merged (completed).

typelevel/cats-effectnumber 4263

#4263 In typelevel/cats-effect;

· by kapunga was closed on Feb 28, 2025

Add doc for IOApp#pollingSystem

📚 docs

Status: Merged (completed).

typelevel/cats-effectnumber 4222

#4222 In typelevel/cats-effect;

· by armanbilge was closed on Jul 7, 2025

Setup UncaughtExceptionHandler for WorkerThread

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 4233

#4233 In typelevel/cats-effect;

· by armanbilge was closed on Jan 12, 2025

Shutdown the runtime only when unforked

🪲 bug

Status: Merged (completed).

typelevel/cats-effectnumber 4234

#4234 In typelevel/cats-effect;

· by armanbilge was closed on Jan 11, 2025

Implement IORuntimeMetrics

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 3317

#3317 In typelevel/cats-effect;

· by iRevive was closed on Nov 26, 2024

Polling system

🔬 experiment

🍄 enhancement

Status: Merged (completed).

typelevel/cats-effectnumber 3332

#3332 In typelevel/cats-effect;

· by armanbilge was closed on Jun 13, 2023