[[breaking-changes-7.0]]
== Breaking changes in 7.0
++++
7.0
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This section discusses the changes that you need to be aware of when migrating
your application to Elasticsearch 7.0.
See also <> and <>.
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[float]
=== Indices created before 7.0
Elasticsearch 7.0 can read indices created in version 6.0 or above. An
Elasticsearch 7.0 node will not start in the presence of indices created in a
version of Elasticsearch before 6.0.
[IMPORTANT]
.Reindex indices from Elasticsearch 5.x or before
=========================================
Indices created in Elasticsearch 5.x or before will need to be reindexed with
Elasticsearch 6.x in order to be readable by Elasticsearch 7.x.
=========================================
include::migrate_7_0/aggregations.asciidoc[]
include::migrate_7_0/analysis.asciidoc[]
include::migrate_7_0/cluster.asciidoc[]
include::migrate_7_0/discovery.asciidoc[]
include::migrate_7_0/indices.asciidoc[]
include::migrate_7_0/mappings.asciidoc[]
include::migrate_7_0/search.asciidoc[]
include::migrate_7_0/packaging.asciidoc[]
include::migrate_7_0/plugins.asciidoc[]
include::migrate_7_0/api.asciidoc[]
include::migrate_7_0/java.asciidoc[]
include::migrate_7_0/settings.asciidoc[]
include::migrate_7_0/scripting.asciidoc[]
include::migrate_7_0/snapshotstats.asciidoc[]
include::migrate_7_0/restclient.asciidoc[]
include::migrate_7_0/low_level_restclient.asciidoc[]
include::migrate_7_0/logging.asciidoc[]