Title: Plugin Updated: http-concat
Author: WordPress VIP Documentation
Published: March 18, 2021
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. Plugin Updated: http-concat

# Plugin Updated: http-concat

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 18 March 2021

10:00:39 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/plugin-updated-http-concat/)

Replaces http header for concatanated javascript files from `application/x-javascript`
to `application/javascript`.

[https://github.com/Automattic/vip-go-mu-plugins/pull/2022](https://github.com/Automattic/vip-go-mu-plugins/pull/2022)