[wp-trac] [WordPress Trac] #64804: REST API: Add finalize endpoint to `WP_REST_Attachments_Controller` for client-side media processing
WordPress Trac
noreply at wordpress.org
Thu Mar 12 06:02:11 UTC 2026
#64804: REST API: Add finalize endpoint to `WP_REST_Attachments_Controller` for
client-side media processing
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Reporter: adamsilverstein | Owner:
| adamsilverstein
Type: defect (bug) | Status: closed
Priority: normal | Milestone: 7.0
Component: REST API | Version: trunk
Severity: normal | Resolution: fixed
Keywords: has-patch has-unit-tests commit | Focuses:
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Changes (by adamsilverstein):
* owner: (none) => adamsilverstein
* status: new => closed
* resolution: => fixed
Comment:
In [changeset:"61982" 61982]:
{{{
#!CommitTicketReference repository="" revision="61982"
REST API: Add finalize endpoint to `WP_REST_Attachments_Controller`.
Introduce a `POST /wp/v2/media/{id}/finalize` REST API endpoint that re-
triggers the `wp_generate_attachment_metadata` filter with context
`'update'` after client-side media processing completes. This ensures
server-side plugins (watermarking, CDN sync, custom sizes, etc.) can post-
process attachments when client-side processing is active.
The endpoint reuses `edit_media_item_permissions_check` for authorization
and is only registered when `wp_is_client_side_media_processing_enabled()`
returns true.
See https://github.com/WordPress/gutenberg/pull/74913.
See https://github.com/WordPress/gutenberg/issues/74358.
Props adamsilverstein, westonruter, mukesh27, divyeshpatel01.
Fixes #64804.
}}}
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Ticket URL: <https://core.trac.wordpress.org/ticket/64804#comment:7>
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