Sourced from io.smallrye.reactive:mutiny's releases.

2.9.0

Changelog

🚀 Features

MultiEmitter

• 595642f introduce user callbacks for request and cancellation signals

unscoped

• fcb52bb gatherer API for reusable implementations
• 9f037c9 introduction of a Multi gathering operator, closes #1597

🐛 Fixes

MultiEmitterProcessor

• 36e2e92 check that callbacks parameters are not null

build

• 7ff4f45 skip cyclonedx-maven-plugin when not deploying

unscoped

• 24eeed2 clear RevAPI error on MultiGroupByOp internal API changes
• 5241f67 stagnation bug in MultiGroupByOp due to a lack of forwarded demand, closes #1856
• 03da9c1 harmonize cancellation and termination callback orders, closes #1843
• 4365696 add an automatic module name to mutiny-smallrye-context-propagation, closes #1790

🔄️ Changes

MultiEmitter

• 5dc3b82 reduce footprint using atomic field updaters

unscoped

• f310c70 introduce pre-fetching in group().by()
• b891d5e reduce the UniCreateFromPublisher operator footprint
• fb056b0 mark all gathering APIs as experimental
• bbf4540 replace Tuple2 with Extraction and increase coverage

🧰 Tasks

release

• a9ea0cf update version metadata for Mutiny 2.9.0
• fdc2984 set development version to 999-SNAPSHOT
• 9249fd5 update version metadata for Mutiny 2.9.0-RC1
• 4c7d033 clear RevAPI breaking change justifications
• abce1c8 set development version to 999-SNAPSHOT

🛠 Build

deps

• fef01bb update the Python documentation dependencies
• 30c7adc bump codecov/codecov-action from 5.4.2 to 5.4.3
• 0e3a877 bump io.projectreactor:reactor-core from 3.7.5 to 3.7.6
• b5373b3 bump kotlin.version from 2.1.20 to 2.1.21
• 9f0a5d1 bump astral-sh/setup-uv from 5 to 6
• 8fd83fd bump org.jreleaser:jreleaser-maven-plugin

... (truncated)

• a9ea0cf chore(release): update version metadata for Mutiny 2.9.0
• 2ce5f61 Merge pull request #1878 from smallrye/docs/deps-sync-2025-05-20
• fef01bb build(deps): update the Python documentation dependencies
• 0bd92b3 Merge pull request #1877 from smallrye/dependabot/github_actions/codecov/code...
• 30c7adc build(deps): bump codecov/codecov-action from 5.4.2 to 5.4.3
• 51cde6d Merge pull request #1874 from smallrye/dependabot/maven/io.projectreactor-rea...
• 0e3a877 build(deps): bump io.projectreactor:reactor-core from 3.7.5 to 3.7.6
• fdc2984 chore(release): set development version to 999-SNAPSHOT
• 9249fd5 chore(release): update version metadata for Mutiny 2.9.0-RC1
• 66bbfc2 build: ensure a changelog is re-computed before performing a release
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