Gutenberg HEIF Support archived
Provides extended image support for Gutenberg's client-side media processing
by WordPress Contributors · github.com/adamsilverstein/gutenberg-extended-image-support · website
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Install
No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:
wp plugin install https://github.com/adamsilverstein/gutenberg-extended-image-support/archive/refs/heads/main.zipFrom the readme
No longer needed or supported. This plugin is retired and will not receive further updates.
This plugin is retired. It is no longer needed or supported, and will not receive further updates.
The repository has been archived. Anyone still running this plugin can safely deactivate and delete it.
This plugin enabled HEIF/HEIC image format support in Gutenberg's client-side media feature.
HEIF (High Efficiency Image Format) and HEIC (High Efficiency Image Coding) are modern image formats that offer superior compression compared to JPEG while maintaining high image quality. These formats are commonly used by Apple devices for photos.
Why is this a separate plugin?
The HEIF decoding functionality is provided by the libheif library, which is licensed under LGPL-3.0. Since the LGPL-3.0 license is not compatible with WordPress's GPLv2 license, the HEIF support module cannot be bundled directly with Gutenberg or WordPress core.
By distributing this as a separate plugin with LGPL-3.0 licensing, users who need HEIF support can opt-in while maintaining proper license compliance.
Requirements
WordPress 7.0 or higher
A browser that supports the client side media feature
1. Upload the