elasticsearch/docs/reference/migration/migrate_8_0/transform.asciidoc

[discrete]
[[breaking_80_transform_changes]]
==== Transform changes

//NOTE: The notable-breaking-changes tagged regions are re-used in the
//Installation and Upgrade Guide

//tag::notable-breaking-changes[]
.{transforms-cap} created in 7.4 or earlier versions must be upgraded.
[%collapsible]
====
*Details* +
Early beta versions of {transforms} had configuration information in a format
that is no longer supported.


*Impact* +
Use the {ref}/upgrade-transforms.html[upgrade {transforms} API] to fix your
{transforms}. This upgrade does not affect the source or destination indices.
====
// end::notable-breaking-changes[]