Project Reactor
@projectreactor.io
Reactor is a fourth-generation reactive library, based on the Reactive Streams specification, for building non-blocking applications on the JVM.
We are delighted to announce the new Reactor 2025.0.0 🎉 This release comes with enhanced Null Safety support using JSpecify and is based on Netty 4.2 with production-ready support for HTTP/3, QUIC, and IOUring 🚀 github.com/reactor/reac...
Release 2025.0.0 · reactor/reactor
2025.0.0 release train is made of:
reactor-core 3.8.0
reactor-addons 3.6.0
reactor-pool 1.2.0
reactor-netty 1.3.0
reactor-kotlin-extensions 1.3.0
Artifacts no longer included in the release train...
github.com
November 12, 2025 at 11:40 AM
We are delighted to announce the new Reactor 2025.0.0 🎉 This release comes with enhanced Null Safety support using JSpecify and is based on Netty 4.2 with production-ready support for HTTP/3, QUIC, and IOUring 🚀 github.com/reactor/reac...
Reactor 2024.0.12 is out 🚀 github.com/reactor/reac...
Release 2024.0.12 · reactor/reactor
2024.0.12 release train is made of:
reactor-core 3.7.13
reactor-pool 1.1.6
reactor-netty 1.2.12
reactor-kotlin-extensions 1.2.5
reactor-kafka 1.3.25
These artifacts didn't have any changes:
reac...
github.com
November 12, 2025 at 11:39 AM
Reactor 2024.0.12 is out 🚀 github.com/reactor/reac...
Reactor 2025.0.0-RC1 is out 🚀 github.com/reactor/reac...
Release 2025.0.0-RC1 · reactor/reactor
2025.0.0-RC1 release train is made of:
reactor-core 3.8.0-RC1
reactor-addons 3.6.0-RC6
reactor-pool 1.2.0-RC1
reactor-netty 1.3.0-RC1
reactor-kotlin-extensions 1.3.0-RC5
github.com
October 14, 2025 at 3:37 PM
Reactor 2025.0.0-RC1 is out 🚀 github.com/reactor/reac...
Reactor 2024.0.11 is out 🚀 github.com/reactor/reac...
Release 2024.0.11 · reactor/reactor
2024.0.11 release train is made of:
reactor-core 3.7.12
reactor-addons 3.5.4
reactor-pool 1.1.5
reactor-netty 1.2.11
These artifacts didn't have any changes:
reactor-kotlin-extensions 1.2.4
reac...
github.com
October 14, 2025 at 3:36 PM
Reactor 2024.0.11 is out 🚀 github.com/reactor/reac...
Reactor 2025.0.0-M7 is out 🚀 github.com/reactor/reac...
Release 2025.0.0-M7 · reactor/reactor
2025.0.0-M7 release train is made of: reactor-core 3.8.0-M7 reactor-addons 3.6.0-RC5 reactor-pool 1.2.0-M7 reactor-netty 1.3.0-M7 reactor-kotlin-extensions 1.3.0-RC4
github.com
September 10, 2025 at 1:12 PM
Reactor 2025.0.0-M7 is out 🚀 github.com/reactor/reac...
Reactor 2024.0.10 is out 🚀 github.com/reactor/reac...
Release 2024.0.10 · reactor/reactor
2024.0.10 release train is made of:
reactor-core 3.7.11
reactor-addons 3.5.3
reactor-pool 1.1.4
reactor-netty 1.2.10
reactor-kotlin-extensions 1.2.4
reactor-kafka 1.3.24
github.com
September 10, 2025 at 1:11 PM
Reactor 2024.0.10 is out 🚀 github.com/reactor/reac...
Reactor 2025.0.0-M6 is out 🚀 github.com/reactor/reac...
Release 2025.0.0-M6 · reactor/reactor
2025.0.0-M6 release train is made of:
reactor-core 3.8.0-M6
reactor-addons 3.6.0-RC4
reactor-pool 1.2.0-M6
reactor-netty 1.3.0-M6
reactor-kotlin-extensions 1.3.0-RC3
github.com
August 12, 2025 at 1:42 PM
Reactor 2025.0.0-M6 is out 🚀 github.com/reactor/reac...
Reactor 2024.0.9 is out 🚀 github.com/reactor/reac...
Release 2024.0.9 · reactor/reactor
2024.0.9 release train is made of:
reactor-core 3.7.9
reactor-netty 1.2.9
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-pool 1.1.3
reactor-kotlin-extensions 1.2.3
reactor...
github.com
August 12, 2025 at 1:42 PM
Reactor 2024.0.9 is out 🚀 github.com/reactor/reac...
Reactor 2025.0.0-M5 is out 🚀 github.com/reactor/reac...
Release 2025.0.0-M5 · reactor/reactor
2025.0.0-M5 release train is made of:
reactor-core 3.8.0-M5
reactor-addons 3.6.0-RC3
reactor-pool 1.2.0-M5
reactor-netty 1.3.0-M5
reactor-kotlin-extensions 1.3.0-RC2
github.com
July 16, 2025 at 9:20 AM
Reactor 2025.0.0-M5 is out 🚀 github.com/reactor/reac...
Reactor 2024.0.8 is out 🚀 github.com/reactor/reac...
Release 2024.0.8 · reactor/reactor
2024.0.8 release train is made of:
reactor-core 3.7.8
reactor-netty 1.2.8
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-pool 1.1.3
reactor-kotlin-extensions 1.2.3
reactor...
github.com
July 16, 2025 at 9:20 AM
Reactor 2024.0.8 is out 🚀 github.com/reactor/reac...
Reactor 2025.0.0-M4 is out 🚀 github.com/reactor/reac...
Release 2025.0.0-M4 · reactor/reactor
Reactor Kafka is no more part of the Reactor BOM. For more information check here
2025.0.0-M4 release train is made of:
reactor-core 3.8.0-M4
reactor-netty 1.3.0-M4
reactor-pool 1.2.0-M4
These ar...
github.com
June 10, 2025 at 4:44 PM
Reactor 2025.0.0-M4 is out 🚀 github.com/reactor/reac...
Reactor 2024.0.7 is out 🚀 github.com/reactor/reac...
Release 2024.0.7 · reactor/reactor
2024.0.7 release train is made of:
reactor-core 3.7.7
reactor-netty 1.2.7
reactor-pool 1.1.3
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-kotlin-extensions 1.2.3
reactor...
github.com
June 10, 2025 at 4:43 PM
Reactor 2024.0.7 is out 🚀 github.com/reactor/reac...
Reactor 2023.0.19 is out 🚀 github.com/reactor/reac...
Release 2023.0.19 · reactor/reactor
This is the last release of 2023.0.x, as 2023.0.x Release Train is going out of OSS support. For the next steps, check our support policy.
2023.0.19 release train is made of:
reactor-core 3.6.18
r...
github.com
June 10, 2025 at 4:43 PM
Reactor 2023.0.19 is out 🚀 github.com/reactor/reac...
Reactor 2025.0.0-M3 is out 🚀 github.com/reactor/reac...
Release 2025.0.0-M3 · reactor/reactor
2025.0.0-M3 release train is made of:
reactor-core 3.8.0-M3
reactor-netty 1.3.0-M3
These artifacts didn't have any changes:
reactor-pool 1.2.0-M2
reactor-addons 3.5.2
reactor-kotlin-extensions 1...
github.com
May 14, 2025 at 6:20 AM
Reactor 2025.0.0-M3 is out 🚀 github.com/reactor/reac...
Reactor 2024.0.6 is out 🚀 github.com/reactor/reac...
Release 2024.0.6 · reactor/reactor
2024.0.6 release train is made of:
reactor-core 3.7.6
reactor-netty 1.2.6
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-pool 1.1.2
reactor-kotlin-extensions 1.2.3
reactor...
github.com
May 14, 2025 at 6:20 AM
Reactor 2024.0.6 is out 🚀 github.com/reactor/reac...
Reactor 2023.0.18 is out 🚀 github.com/reactor/reac...
Release 2023.0.18 · reactor/reactor
2023.0.18 release train is made of:
reactor-core 3.6.17
reactor-netty 1.1.30
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-pool 1.0.10
reactor-kotlin-extensions 1.2.3
rea...
github.com
May 14, 2025 at 6:19 AM
Reactor 2023.0.18 is out 🚀 github.com/reactor/reac...
Reactor 2025.0.0-M2 is out 🚀 github.com/reactor/reac...
Release 2025.0.0-M2 · reactor/reactor
2025.0.0-M2 release train is made of:
reactor-core 3.8.0-M2
reactor-netty 1.3.0-M2
reactor-pool 1.2.0-M2
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-kotlin-extensions 1...
github.com
April 15, 2025 at 10:33 AM
Reactor 2025.0.0-M2 is out 🚀 github.com/reactor/reac...
Reactor 2024.0.5 is out. This release adds support for websocket over HTTP/2 🚀 github.com/reactor/reac...
Release 2024.0.5 · reactor/reactor
2024.0.5 release train is made of:
reactor-core 3.7.5
reactor-netty 1.2.5
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-pool 1.1.2
reactor-kotlin-extensions 1.2.3
reactor...
github.com
April 15, 2025 at 10:33 AM
Reactor 2024.0.5 is out. This release adds support for websocket over HTTP/2 🚀 github.com/reactor/reac...
Reactor 2023.0.17 is out 🚀 github.com/reactor/reac...
Release 2023.0.17 · reactor/reactor
2023.0.17 release train is made of:
reactor-core 3.6.16
reactor-netty 1.1.29
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-pool 1.0.10
reactor-kotlin-extensions 1.2.3
rea...
github.com
April 15, 2025 at 10:32 AM
Reactor 2023.0.17 is out 🚀 github.com/reactor/reac...
Reactor 2025.0.0-M1 is out 🚀 github.com/reactor/reac...
Release 2025.0.0-M1 · reactor/reactor
Starting with 2025.0.0-M1, all milestones and release candidates are published to Maven Central.
2025.0.0-M1 release train is made of:
reactor-core 3.8.0-M1
reactor-netty 1.3.0-M1
reactor-pool 1.2...
github.com
March 11, 2025 at 8:28 PM
Reactor 2025.0.0-M1 is out 🚀 github.com/reactor/reac...
Reactor 2024.0.4 is out 🚀 github.com/reactor/reac...
Release 2024.0.4 · reactor/reactor
2024.0.4 release train is made of:
reactor-core 3.7.4
reactor-netty 1.2.4
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-pool 1.1.2
reactor-kotlin-extensions 1.2.3
reactor...
github.com
March 11, 2025 at 8:27 PM
Reactor 2024.0.4 is out 🚀 github.com/reactor/reac...
Reactor 2023.0.16 is out 🚀 github.com/reactor/reac...
Release 2023.0.16 · reactor/reactor
2023.0.16 release train is made of:
reactor-core 3.6.15
reactor-netty 1.1.28
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-pool 1.0.10
reactor-kotlin-extensions 1.2.3
rea...
github.com
March 11, 2025 at 8:26 PM
Reactor 2023.0.16 is out 🚀 github.com/reactor/reac...
Reactor 2024.0.3 is out 🚀 github.com/reactor/reac...
Release 2024.0.3 · reactor/reactor
2024.0.3 release train is made of:
reactor-core 3.7.3
reactor-netty 1.2.3
reactor-pool 1.1.2
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-kotlin-extensions 1.2.3
reactor...
github.com
February 11, 2025 at 10:47 AM
Reactor 2024.0.3 is out 🚀 github.com/reactor/reac...
Reactor 2023.0.15 is out 🚀 github.com/reactor/reac...
Release 2023.0.15 · reactor/reactor
2023.0.15 release train is made of:
reactor-core 3.6.14
reactor-netty 1.1.27
reactor-pool 1.0.10
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-kotlin-extensions 1.2.3
rea...
github.com
February 11, 2025 at 10:47 AM
Reactor 2023.0.15 is out 🚀 github.com/reactor/reac...
Reactor 2024.0.2 is out 🚀 github.com/reactor/reac...
Release 2024.0.2 · reactor/reactor
2024.0.1 release train is made of:
reactor-core 3.7.2
reactor-pool 1.1.1
reactor-netty 1.2.2
These artifacts didn't have any changes:
reactor-addons 3.5.2
reactor-kotlin-extensions 1.2.3
reactor...
github.com
January 15, 2025 at 9:04 AM
Reactor 2024.0.2 is out 🚀 github.com/reactor/reac...