Reactor Core Files

Non-Blocking Reactive Foundation for the JVM

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Name	Modified	Size	InfoDownloads / Week
Parent folder
README.md	2026-08-20	640 Bytes	0
v3.8.7 source code.tar.gz	2026-08-20	3.0 MB	0
v3.8.7 source code.zip	2026-08-20	4.7 MB	0
Totals: 3 Items		7.7 MB	0

Reactor Core 3.8.7 is part of the 2025.0.7 and 2026.0.0-M1 Release Trains.

What's Changed

:lady_beetle: Bug fixes

Fix elapsed time computation in OptimisticEmitFailureHandler by @bjmi in [#4112]
Fix windowTimeout fair-backpressure index wraparound by @chemicL in [9fdb2c]
Guard against flush-state update in FluxBufferTimeout by @Sage-Pierce in [179142]

New Contributors

@bjmi made their first contribution in [#4112]

Full Changelog: https://github.com/reactor/reactor-core/compare/v3.8.6...v3.8.7

Source: README.md, updated 2026-08-20

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Reactor Core Files

Non-Blocking Reactive Foundation for the JVM

Get an email when there's a new version of Reactor Core

What's Changed

:lady_beetle: Bug fixes

New Contributors