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Packagist · packagist:symfony/serializer

symfony/serializer active

Handles serializing and deserializing data structures, including object graphs, into array structures or other formats like XML and JSON.

Latest stable version8.1.8
Published2026-09-28 09:40:25+00:00
Installcomposer require symfony/serializer
Required PHP version (composer.json)PHP >=8.4.1
LicenseMIT
Advisories on latest versionnone known
Last verified2026-10-08 19:59:34 UTC
Sourcesapi.osv.dev, repo.packagist.org

Maintenance

Activityactive
Last stable release2026-09-28 09:40:25 UTC · 10 days ago
Stable releases in the last 12 months56
Published versions774

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

VersionPublished
8.1.82026-09-28 09:40:25 UTC
7.4.202026-09-28 09:39:38 UTC
6.4.472026-09-28 08:44:55 UTC
8.1.72026-09-08 13:39:13 UTC
7.4.192026-09-08 13:28:43 UTC
6.4.462026-09-08 09:57:00 UTC
8.1.62026-08-30 08:48:47 UTC
7.4.182026-08-30 00:47:26 UTC
6.4.452026-08-29 08:24:03 UTC
8.1.52026-08-22 09:06:25 UTC
7.4.172026-08-22 09:04:42 UTC
6.4.442026-08-22 09:04:22 UTC
7.4.162026-08-06 10:16:07 UTC
8.1.42026-08-06 09:53:08 UTC
8.1.32026-07-29 14:11:26 UTC
8.1.22026-07-29 08:00:47 UTC
8.0.152026-07-29 08:00:21 UTC
7.4.152026-07-29 07:59:49 UTC
6.4.432026-07-29 07:59:11 UTC
8.1.12026-06-27 09:05:56 UTC

Showing the 20 most recent of 674 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

RuntimeNewest compatible version
php 7.45.4.45
php 8.06.0.19
php 8.16.4.47
php 8.27.4.20
php 8.37.4.20
php 8.48.1.8

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Frequently asked questions

What is the latest version of symfony/serializer?

The latest stable version of symfony/serializer is 8.1.8, published on 2026-09-28. Verified by Vigia on 2026-10-08.

How do I install the latest version of symfony/serializer?

Run composer require symfony/serializer. The latest stable version is 8.1.8 (verified 2026-10-08).

Is symfony/serializer deprecated?

No. symfony/serializer is not marked as deprecated in the registry.

Which PHP version does symfony/serializer require?

symfony/serializer 8.1.8 declares this requirement: PHP >=8.4.1.

Does symfony/serializer 8.1.8 have known vulnerabilities?

No known advisories affect symfony/serializer 8.1.8 according to the data Vigia checks.

Is symfony/serializer still maintained?

symfony/serializer published 56 stable releases in the last 12 months; the most recent was 10 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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