# Local customizations broke site on upgrade, how to disable?

**URL:** <https://meta.discourse.org/t/local-customizations-broke-site-on-upgrade-how-to-disable/28724>\
**Category:** Product Support\
**Created:** [12. Mai 2015 um 22:31 UTC](https://meta.discourse.org/t/local-customizations-broke-site-on-upgrade-how-to-disable/28724 "2015-05-12T22:31:00Z")\
**Posts on this page:** 1\
**Showing post:** 37

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**Author:** ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)\
**Post date:** [27. November 2015 um 01:05 UTC](https://meta.discourse.org/t/local-customizations-broke-site-on-upgrade-how-to-disable/28724/37 "2015-11-27T01:05:40Z")

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This change (automatically compiling templates in site customizations) is now complete!

[https://github.com/discourse/discourse/commit/43d63367fdf39dc5f69b640936ac19cd817f6631](https://github.com/discourse/discourse/commit/43d63367fdf39dc5f69b640936ac19cd817f6631)

This means we no longer ship **66K gzipped** Ember template compiler AND we stop shipping **11K gzipped** handlebars (and instead ship **3.7K** gzipped runtime)

Total savings on initial load is approx **73K** also this is a bunch of code that is no longer evaluated and kept in memory which is another huge saving.

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_[View the full topic](https://meta.discourse.org/t/local-customizations-broke-site-on-upgrade-how-to-disable/28724)._