# Deprecating .js.es6 file extensions in themes and plugins

**URL:** https://meta.discourse.org/t/deprecating-js-es6-file-extensions-in-themes-and-plugins/398894
**Category:** Development
**Tags:** dev-news
**Created:** [March 20, 2026, 4:03pm UTC](https://meta.discourse.org/t/deprecating-js-es6-file-extensions-in-themes-and-plugins/398894 "2026-03-20T16:03:38Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![merefield](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/merefield/32/176214_2.png) [@merefield](https://meta.discourse.org/u/merefield)
#### Post date: [March 31, 2026, 10:54am UTC](https://meta.discourse.org/t/deprecating-js-es6-file-extensions-in-themes-and-plugins/398894/3 "2026-03-31T10:54:27Z")

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`.es6` standard is over 10 years old. I think it’s reasonable to expect a deprecation after that length of time?

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