symfony/event-dispatcher
Provides tools that allow your application components to communicate with each other by dispatching events and listening to them
v8.1.5
1.1B downloads/mo
#21 most downloaded on composer
symfony/event-dispatcher
What this package is like to depend on
Last release 2 days ago
21 Aug 2026
Ships fairly regularly
a new release about every 5 weeks
Rarely documented
notes for 21 of 527 stable releases
Nothing withdrawn
no release was ever pulled
15 years old
615 releases · first in 2011
27 releases in the last 12 months
see the full history below
Release timeline
360 releases · Sep 2011 to Aug 2026Releases
latest 60 of 615-
v8.1.521 Aug 2026Release notes
Open source →Changelog (v8.1.2...v8.1.5)
- bug #65476 Fix losing listeners when a lazy listener adds listeners (@nicolas-grekas)
- bug #65367 Fix PHP 8.6 deprecations (@nicolas-grekas)
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v8.1.222 Jul 2026Release notes
Open source →Changelog (v8.1.1...v8.1.2)
- bug #64655 Fix regression in TraceableEventDispatcher invocation counting (@jnahmias)
- bug #64914 Clear wrappedListeners in TraceableEventDispatcher::reset() (@guillaumedelre)
- bug #64914 Clear wrappedListeners in TraceableEventDispatcher::reset() (@guillaumedelre)
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v8.1.109 Jun 2026Release notes
Open source →Changelog (v8.1.0...v8.1.1)
- bug #64572 Fix decorating an event listener no longer replacing it (@nicolas-grekas)
- minor #64524 Make tests compatible with PHPUnit 13.2 and Twig 3.28 (@nicolas-grekas)
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v8.1.029 May 2026Nothing published for this version
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v8.1.0-BETA318 May 2026 pre-releaseNothing published for this version
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v8.1.0-BETA118 Apr 2026 pre-releaseNothing published for this version
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v8.0.1522 Jul 2026Release notes
Open source →Changelog (v8.0.14...v8.0.15)
- bug #64655 Fix regression in TraceableEventDispatcher invocation counting (@jnahmias)
- bug #64914 Clear wrappedListeners in TraceableEventDispatcher::reset() (@guillaumedelre)
- bug #64914 Clear wrappedListeners in TraceableEventDispatcher::reset() (@guillaumedelre)
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v8.0.1406 Jun 2026Release notes
Open source →Changelog (v8.0.9...v8.0.14)
- minor #64524 Make tests compatible with PHPUnit 13.2 and Twig 3.28 (@nicolas-grekas)
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v8.0.918 Apr 2026Nothing published for this version
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v8.0.830 Mar 2026Nothing published for this version
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v8.0.405 Jan 2026Nothing published for this version
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v8.0.030 Oct 2025Nothing published for this version
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v8.0.0-RC1no date pre-releaseNothing published for this version
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v8.0.0-BETA2no date pre-releaseNothing published for this version
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v8.0.0-BETA106 Oct 2025 pre-releaseNothing published for this version
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v7.4.1721 Aug 2026Release notes
Open source →Changelog (v7.4.15...v7.4.17)
- bug #65476 Fix losing listeners when a lazy listener adds listeners (@nicolas-grekas)
- bug #65367 Fix PHP 8.6 deprecations (@nicolas-grekas)
-
v7.4.1521 Jul 2026Release notes
Open source →Changelog (v7.4.14...v7.4.15)
- bug #64655 Fix regression in TraceableEventDispatcher invocation counting (@jnahmias)
- bug #64914 Clear wrappedListeners in TraceableEventDispatcher::reset() (@guillaumedelre)
- bug #64914 Clear wrappedListeners in TraceableEventDispatcher::reset() (@guillaumedelre)
-
v7.4.1406 Jun 2026Release notes
Open source →Changelog (v7.4.9...v7.4.14)
- minor #64524 Make tests compatible with PHPUnit 13.2 and Twig 3.28 (@nicolas-grekas)
-
v7.4.918 Apr 2026Nothing published for this version
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v7.4.830 Mar 2026Nothing published for this version
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v7.4.405 Jan 2026Nothing published for this version
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v7.4.028 Oct 2025Nothing published for this version
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v7.4.0-RC1no date pre-releaseNothing published for this version
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v7.4.0-BETA2no date pre-releaseNothing published for this version
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v7.4.0-BETA105 Oct 2025 pre-releaseNothing published for this version
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v7.3.1005 Jan 2026Nothing published for this version
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v7.3.313 Aug 2025Nothing published for this version
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v7.3.022 Apr 2025Nothing published for this version
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v7.3.0-RC1no date pre-releaseNothing published for this version
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v7.3.0-BETA1no date pre-releaseNothing published for this version
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v7.2.025 Sep 2024Nothing published for this version
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v7.2.0-RC1no date pre-releaseNothing published for this version
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v7.2.0-BETA1no date pre-releaseNothing published for this version
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v7.1.625 Sep 2024Nothing published for this version
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v7.1.131 May 2024Nothing published for this version
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v7.1.018 Apr 2024Nothing published for this version
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v7.1.0-RC1no date pre-releaseNothing published for this version
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v7.1.0-BETA1no date pre-releaseNothing published for this version
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v7.0.831 May 2024Nothing published for this version
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v7.0.718 Apr 2024Nothing published for this version
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v7.0.323 Jan 2024Nothing published for this version
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v7.0.227 Dec 2023Nothing published for this version
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v7.0.027 Jul 2023Nothing published for this version
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v7.0.0-RC1no date pre-releaseNothing published for this version
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v7.0.0-BETA1no date pre-releaseNothing published for this version
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v6.4.4421 Aug 2026Release notes
Open source →Changelog (v6.4.43...v6.4.44)
- bug #65476 Fix losing listeners when a lazy listener adds listeners (@nicolas-grekas)
- bug #65367 Fix PHP 8.6 deprecations (@nicolas-grekas)
-
v6.4.4321 Jul 2026Release notes
Open source →Changelog (v6.4.37...v6.4.43)
- bug #64655 Fix regression in TraceableEventDispatcher invocation counting (@jnahmias)
- bug #64914 Clear wrappedListeners in TraceableEventDispatcher::reset() (@guillaumedelre)
- bug #64914 Clear wrappedListeners in TraceableEventDispatcher::reset() (@guillaumedelre)
-
v6.4.3713 Apr 2026Nothing published for this version
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v6.4.3630 Mar 2026Nothing published for this version
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v6.4.3205 Jan 2026Nothing published for this version
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v6.4.2513 Aug 2025Nothing published for this version
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v6.4.2410 Jul 2025Nothing published for this version
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v6.4.1325 Sep 2024Nothing published for this version
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v6.4.831 May 2024Nothing published for this version
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v6.4.718 Apr 2024Nothing published for this version
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v6.4.323 Jan 2024Nothing published for this version
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v6.4.227 Dec 2023Nothing published for this version
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v6.4.027 Jul 2023Nothing published for this version
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v6.4.0-RC1no date pre-releaseNothing published for this version
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v6.4.0-BETA1no date pre-releaseNothing published for this version