io.ktor:ktor-server-cio:3.4.0

ktor-server-cio:3.1.1

Latest release3.4.0 (about 1 month ago)

Parent projectktor (14.3k stars)

Kotlin version2.1.10

LicenseThe Apache Software License, Version 2.0

DeveloperJetbrains Team

Build tool versionGradle 8.12.1

JVM

1.8

Kotlin/Native

Android Native

android_arm32android_arm64android_x64android_x86

iOS

ios_arm64ios_simulator_arm64ios_x64

Linux

linux_arm64linux_x64

macOS

macos_arm64macos_x64

tvOS

tvos_arm64tvos_simulator_arm64tvos_x64

watchOS

watchos_arm32watchos_arm64watchos_device_arm64watchos_simulator_arm64watchos_x64

Windows

mingw_x64

Wasm

implementation("io.ktor:ktor-server-cio:3.1.1")

ktor-server-cio

Implements a lightweight, coroutine-based HTTP server engine using non-blocking I/O for efficient request handling.

Homepage

Source code management

Maven artifacts

Version	Release	Platforms and targets
3.4.0	Release: 22 Jan 2026	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.3.3	Release: 26 Nov 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.3.2	Release: 05 Nov 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.3.0	Release: 11 Sep 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.2.3	Release: 29 Jul 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.2.2	Release: 14 Jul 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.2.1	Release: 03 Jul 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.2.0	Release: 12 Jun 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.1.3	Release: 05 May 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.1.2	Release: 27 Mar 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.1.1	Release: 24 Feb 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.1.0	Release: 11 Feb 2025	JVMKotlin/NativeWasmJS Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.0.3	Release: 18 Dec 2024	JVMKotlin/Native Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.0.2	Release: 03 Dec 2024	JVMKotlin/Native Android NativeiOSLinuxmacOStvOSwatchOSWindows
2.3.13	Release: 19 Nov 2024	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
3.0.1	Release: 29 Oct 2024	JVMKotlin/Native Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.0.0	Release: 09 Oct 2024	JVMKotlin/Native Android NativeiOSLinuxmacOStvOSwatchOSWindows
3.0.0-rc-2	Release: 02 Oct 2024	JVMKotlin/Native iOSLinuxmacOStvOSwatchOSWindows
3.0.0-rc-1	Release: 09 Sep 2024	JVMKotlin/Native iOSLinuxmacOStvOSwatchOSWindows
3.0.0-beta-2	Release: 15 Jul 2024	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.12	Release: 20 Jun 2024	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.11	Release: 08 May 2024	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.10	Release: 08 Apr 2024	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.9	Release: 04 Mar 2024	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.8	Release: 31 Jan 2024	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.7	Release: 07 Dec 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
3.0.0-beta-1	Release: 23 Nov 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.6	Release: 06 Nov 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.5	Release: 04 Oct 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.4	Release: 31 Aug 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.3	Release: 01 Aug 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.2	Release: 28 Jun 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.1	Release: 31 May 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.3.0	Release: 19 Apr 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.2.4	Release: 28 Feb 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.2.3	Release: 31 Jan 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.2.2	Release: 03 Jan 2023	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.2.1	Release: 07 Dec 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.2.0	Release: 07 Dec 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.1.3	Release: 28 Oct 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.1.2	Release: 29 Sep 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.1.1	Release: 06 Sep 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.1.0	Release: 10 Aug 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.0.3	Release: 28 Jun 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.0.2	Release: 27 May 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.0.1	Release: 28 Apr 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.0.0	Release: 08 Apr 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.0.0-rc-1	Release: 04 Apr 2022	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS
2.0.0-beta-1	Release: 22 Dec 2021	JVMKotlin/Native iOSLinuxmacOStvOSwatchOS

*Only more recent versions are displayed

JVM

1.8