[wp-trac] [WordPress Trac] #24152: Use JSON as alternative to CSS file headers
WordPress Trac
noreply at wordpress.org
Thu Mar 5 20:21:23 UTC 2026
#24152: Use JSON as alternative to CSS file headers
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Reporter: ryanve | Owner: (none)
Type: feature request | Status: reopened
Priority: normal | Milestone: Awaiting Review
Component: Themes | Version:
Severity: normal | Resolution:
Keywords: | Focuses:
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Comment (by retlehs):
Wrote about this in detail: https://roots.io/wordpress-file-headers-have-
overstayed-their-welcome/
The strongest argument now is that `theme.json` already exists. WordPress
already parses it for colors, fonts, spacing, layout, templates, and
patterns. Adding a metadata property for theme name, version, and author
is a natural extension of a file that's already required for block/hybrid
themes.
For plugins, a `plugin.json` would follow the same pattern.
Both are fully backwards compatible: if the JSON metadata isn't present,
fall back to file headers. `wp_get_theme()` and `get_plugin_data()` handle
the abstraction.
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Ticket URL: <https://core.trac.wordpress.org/ticket/24152#comment:34>
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