# ES, Kibana, Filebeat, Logstash Upgrade / Downwards Compatibility

**URL:** <https://discuss.elastic.co/t/es-kibana-filebeat-logstash-upgrade-downwards-compatibility/118786>\
**Category:** Elasticsearch\
**Created:** [February 7, 2018, 9:24am UTC](https://discuss.elastic.co/t/es-kibana-filebeat-logstash-upgrade-downwards-compatibility/118786 "2018-02-07T09:24:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![atom](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/atom/32/34758_2.png) [@atom](https://discuss.elastic.co/u/atom)\
**Post date:** [February 7, 2018, 9:24am UTC](https://discuss.elastic.co/t/es-kibana-filebeat-logstash-upgrade-downwards-compatibility/118786/1 "2018-02-07T09:24:17Z")

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Hi,  
im want to upgrade my kibana elasticsearch filebeat and logstash instances from 5.6.x to 6.x  
There are a lot of breaking changes. Do i need to "fix" all possible problems oris 6.x downwards compatible with 5.6 versions?

Thanks and regards,  
Ahmet

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 7, 2018, 9:24am UTC](https://discuss.elastic.co/t/es-kibana-filebeat-logstash-upgrade-downwards-compatibility/118786/2 "2018-03-07T09:24:25Z")

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