Title: Attachment metadata: Store the filesize within each "additional size" attachment entry. Author: WordPress VIP Documentation Published: March 22, 2022 Last modified: August 5, 2025 --- 1. [Changelog](https://docs.wpvip.com/changelog/) 2. [VIP MU plugins [Production]](https://docs.wpvip.com/changelog/vip-mu-plugins-production/) 3. Attachment metadata: Store the filesize within each "additional size" attachment entry. # Attachment metadata: Store the filesize within each "additional size" attachment entry. --- 22 March 2022 16:55:46 GMT+0000 [ VIP MU plugins [Production] ](https://docs.wpvip.com/changelog/vip-mu-plugins-production/) [ Permalink ](https://docs.wpvip.com/changelog/vip-mu-plugins-production/attachment-metadata-store-the-filesize-within-each-additional-size-attachment-entry/) Stores the attachment’s `filesize` within each “virtual sizes” in the attachment metadata. Keeps us in line with how WP core will be handling this same behavior in WP 6.0+: [https://core.trac.wordpress.org/ticket/49412](https://core.trac.wordpress.org/ticket/49412) [https://github.com/Automattic/vip-go-mu-plugins/pull/2991](https://github.com/Automattic/vip-go-mu-plugins/pull/2991)