NewYour coding agent can read the release notes before it upgrades.Set up the MCP server →
Packagist · #2395 most downloaded on Packagist
Expands internal property references in a yaml file.
Last release 3 months ago
11 Jun 2026
Release timing varies
gaps range from 6 weeks to 2.1 years
Some releases are documented
notes for 9 of 18 stable releases
Nothing withdrawn
no release was ever pulled
10 years old
18 releases · first in 2017
symfony/yaml constraint excludes versions vulnerable to CVE-2026-45304 (YAML parser "Billion Laughs" memory exhaustion).
symfony/yaml 4.x and 5.x (EOL) are no longer supported; allowed versions are ^6.4.40 || ^7.4.12 || ^8.0.12.grasmash/expander 1.x and 2.x are no longer supported; requires ^3.0.1.parse(), expandArrayProperties()). Passing non-string YAML or a non-array reference array now throws TypeError.parse() now returns [] for empty YAML and throws UnexpectedValueException when YAML parses to a non-array value (previously both surfaced as an opaque TypeError).symfony/yaml constraint excludes versions vulnerable to CVE-2026-45304 (YAML parser "Billion Laughs" memory exhaustion).php-coveralls, which pulled in vulnerable guzzlehttp releases at lowest versions; coverage is now uploaded with coverallsapp/github-action.NullLogger: new YamlExpander().declare(strict_types=1) throughout.squizlabs/php_codesniffer 4.x allowed for development.Full Changelog: 3.0.3...4.0.0
🤖 Generated with Claude Code
One column per quarter.
@vishalkhode1 made their first contribution in #28
Full Changelog: 3.0.2...3.0.3
Switch to GitHub Actions Allow grasmash/expander 3.x Full Changelog : 3.0.1...3.0.2
Full Changelog: 3.0.1...3.0.2
Update dflydev/dot-access-data to 3.x by @joelpittet in #24
Full Changelog: 3.0.0...3.0.1
Changing Symfony requirement to ^4 | ^5
The 2.x is much lighter weight and relies on grasmash/expander for most expansion logic.
The 2.x is much lighter weight and relies on grasmash/expander for most expansion logic.
Adding support for environmental variables in the form of ${env.test} .
Adding support for environmental variables in the form of ${env.test}.
Adds support for Symfony 4.
Adds support for Symfony 4.
This release adds support for expanding placeholders that reference arrays.
This release adds support for expanding placeholders that reference arrays.
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Your coding agent can read these notes before it upgrades. Set up the MCP server →