Mavenorg.
org.jetbrains.kotlinx:kotlinx-coroutines-core
Coroutines support libraries for Kotlin
asynccoroutineskotlin
org.jetbrains.kotlinxgithub.com/Kotlin/kotlinx.coroutinesApache-2.0JetBrains Team13.8k · 2k forks · 338 contributors
Release cadenceEvery 3 months
Last releaseMay 7, 2026
Open advisories0
Changelog quality77% curated
GitHub Releases, gaps for some releases
Release history SecurityYou're on
101 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionorg.jetbrains.kotlinx:kotlinx-coroutines-core 0.30 → 10.30.2-eap13 → 1.11.0May 7, 2026 BreakingBreaking43Platform3Deprecated27New127Changed203Fixed168Other36org.jetbrains.kotlinx:kotlinx-coroutines-core 0.27 → 0.300.27.0-eap13 → 0.30.2-eap13Oct 8, 2018 Unknownorg.jetbrains.kotlinx:kotlinx-coroutines-core 0.26 → 0.270.26.1-eap13 → 0.27.0-eap13Sep 28, 2018 Unknownorg.jetbrains.kotlinx:kotlinx-coroutines-core 0.25 → 0.260.25.3-eap13 → 0.26.1-eap13Sep 21, 2018 Unknownorg.jetbrains.kotlinx:kotlinx-coroutines-core 0.24 → 0.250.24.0-eap13 → 0.25.3-eap13Sep 4, 2018 Unknownorg.jetbrains.kotlinx:kotlinx-coroutines-core 0.23 → 0.240.23.4 → 0.24.0-eap13Jul 26, 2018 Unknownorg.jetbrains.kotlinx:kotlinx-coroutines-core 0.22 → 0.230.22.5 → 0.23.4Jun 28, 2018 Unknownorg.jetbrains.kotlinx:kotlinx-coroutines-core 0.21 → 0.220.21.2 → 0.22.5Mar 6, 2018 Review neededNew5Changed3Fixed9Other8org.jetbrains.kotlinx:kotlinx-coroutines-core 0.20 → 0.210.20 → 0.21.2Jan 15, 2018 Unknownorg.jetbrains.kotlinx:kotlinx-coroutines-core 0.19 → 0.200.19.3 → 0.20Dec 4, 2017 Unknown
VersionChannelDateChangesSecurity
1.11.0 StableMay 7, 2026Breaking2Deprecated3New8Changed1Fixed5Other21.11.0-rc02 RCApr 27, 2026Fixed11.11.0-rc01 RCApr 15, 2026Breaking2Deprecated3New8Changed1Fixed5Other21.10.2 youStableApr 8, 2025Fixed4Other11.10.1 StableDec 20, 2024Fixed11.10.0 StableDec 19, 2024Breaking1New1Changed2Fixed7Other11.9.0 StableSep 13, 2024Deprecated3New3Changed8Fixed6Other31.9.0-RC.2 RCAug 13, 2024Breaking1Deprecated3Changed2Fixed2Other21.9.0-RC RCMay 28, 2024New4Changed7Fixed2Other21.8.1 StableMay 10, 2024Changed2Fixed2Other11.8.1-Beta BetaMar 11, 2024Changed2Fixed1Other11.8.0 StableFeb 15, 2024New1Changed8Fixed4Other11.8.0-RC2 RCDec 21, 2023Fixed2Other11.8.0-RC RCDec 1, 2023New1Changed7Fixed3Other11.7.3 StableJul 25, 2023Changed1Fixed11.7.2 StableJun 29, 2023Changed1Fixed41.7.1 StableMay 12, 2023Changed1Fixed21.7.0 StableMay 5, 2023Breaking5Deprecated2New11Changed23Fixed12Other31.7.0-RC RCApr 19, 2023New1Changed6Fixed3Other11.7.0-Beta BetaMar 8, 2023Breaking5Deprecated2New9Changed19Fixed9Other1