Blog
The latest news, posts, and talks from the Arrow community

Arrow 2.0's Trajectory - Video
Thu May 04 2023
Watch Simon Vergauwen's presentation from KotlinConf 2023 about the history of Arrow, and the trajectory for Arrow 2.0.
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Nicer data transformation with KopyKat and Optics
Thu May 04 2023
Watch Alejandro Serrano's presentation from KotlinConf 2023 about data transformation.
Learn moreTyped Error Handling in Kotlin
Mon Apr 17 2023
A comparative study about several typed-error handling practices in Kotlin.
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Arrow 2.0's Trajectory
Sun Apr 16 2023
A full transcript and the slides from Simon Vergauwen's presentation from KotlinConf 2023 about the history of Arrow and where it's going.
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Arrow 1.2.0-RC Release Summary
Tue Apr 04 2023
We're excited to announce Arrow 1.2.0-RC alongside a new Arrow website. To briefly summarize, this release:
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Functional Fun in Kotlin
Sat Feb 04 2023
Simon Vergauwen shares why he thinks Kotlin is great language to do modern functional programming, and why he believes it's perhaps the best language to do modern mainstream (hardcore) functional programming.
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CodelyTV Interview with Raul Raja
Tue Jan 03 2023
An interview with Arrow maintainer Raúl Raja by Rafa Gómez on CodelyTV.
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Actions as Data
Thu Dec 01 2022
A presentation by Alejandro Serrano at Advanced Kotlin Dev Day 2022.
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