# Logstash-filter-grok downgraded from 3.4.0 to 3.3.1 with logstash 5.3 to 5.4 upgrade
**URL:** https://discuss.elastic.co/t/logstash-filter-grok-downgraded-from-3-4-0-to-3-3-1-with-logstash-5-3-to-5-4-upgrade/84974
**Category:** Logstash
**Created:** [May 8, 2017, 7:46pm UTC](https://discuss.elastic.co/t/logstash-filter-grok-downgraded-from-3-4-0-to-3-3-1-with-logstash-5-3-to-5-4-upgrade/84974 "2017-05-08T19:46:06Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@jeffspahr](https://discuss.elastic.co/u/jeffspahr)
#### Post date: [May 8, 2017, 7:46pm UTC](https://discuss.elastic.co/t/logstash-filter-grok-downgraded-from-3-4-0-to-3-3-1-with-logstash-5-3-to-5-4-upgrade/84974/1 "2017-05-08T19:46:06Z")
Hello,
First off thank you for the 5.4 release!
Was the grok filter downgrade intentional or is this a bug? The documentation also reflects the lower version grok plugin in 5.4.
[https://www.elastic.co/guide/en/logstash/current/plugins-filters-grok.html](https://www.elastic.co/guide/en/logstash/current/plugins-filters-grok.html)
[https://www.elastic.co/guide/en/logstash/5.3/plugins-filters-grok.html](https://www.elastic.co/guide/en/logstash/5.3/plugins-filters-grok.html)
This breaks the use of pattern\_definitions in 5.4.
Thanks,
Jeff
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### Author:  [@jeffspahr](https://discuss.elastic.co/u/jeffspahr)
#### Post date: [May 10, 2017, 9:02pm UTC](https://discuss.elastic.co/t/logstash-filter-grok-downgraded-from-3-4-0-to-3-3-1-with-logstash-5-3-to-5-4-upgrade/84974/2 "2017-05-10T21:02:45Z")
Bump
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [June 7, 2017, 9:08pm UTC](https://discuss.elastic.co/t/logstash-filter-grok-downgraded-from-3-4-0-to-3-3-1-with-logstash-5-3-to-5-4-upgrade/84974/3 "2017-06-07T21:08:30Z")
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