Title: Production release – 2024/02/13
Author: WordPress VIP Documentation
Published: February 13, 2024
Last modified: August 5, 2025

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 1. [Changelog](https://docs.wpvip.com/changelog/)
 2. [VIP MU plugins [Production]](https://docs.wpvip.com/changelog/vip-mu-plugins-production/)
 3. Production release – 2024/02/13

# Production release – 2024/02/13

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 13 February 2024

16:40:54 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/production-release-2024-02-13/)

### Feature added: MIME types caching for the media library

Cache MIME types via the `pre_get_available_post_mime_types()` filter introduced
in WordPress 6.4.

[https://github.com/Automattic/vip-go-mu-plugins/pull/4953](https://github.com/Automattic/vip-go-mu-plugins/pull/4953)

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### Functions Deprecated: wp_startswith, wp_endswith, and wp_in`

We deprecated the helper functions `wp_startswith`, wp_endswith`and`wp_in`in favour
of the PHP equivalents`str_starts_with`,`str_ends_with`, and`str_contains`

[https://github.com/Automattic/vip-go-mu-plugins/pull/5131](https://github.com/Automattic/vip-go-mu-plugins/pull/5131)

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Please see the [full release on GitHub](https://github.com/Automattic/vip-go-mu-plugins/releases/tag/v20240213.0).