# when could we use grafana 4.6.2 version?

**URL:** <https://forums.percona.com/t/when-could-we-use-grafana-4-6-2-version/6109>\
**Category:** PMM 1.x\
**Created:** [January 8, 2018, 8:19pm UTC](https://forums.percona.com/t/when-could-we-use-grafana-4-6-2-version/6109 "2018-01-08T20:19:59Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![bckim](https://avatars.discourse-cdn.com/v4/letter/b/67e7ee/32.png) [@bckim](https://forums.percona.com/u/bckim)\
**Post date:** [January 8, 2018, 8:19pm UTC](https://forums.percona.com/t/when-could-we-use-grafana-4-6-2-version/6109/1 "2018-01-08T20:19:59Z")

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Hi, all

I have one question.

when could we use grafana 4.6.2 version? because 4.6.1 version has some bug about alert system like this :

firing:true  
state:“alerting”  
conditionEvals:" = true"  
timeMs:“0.218ms”  
error:“tsdb.HandleRequest() error invalid value type”

this error has been fixed 4.6.2 version.

please check this.

thanks.

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**Author:** ![Peter](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/peter/32/2_2.png) [@Peter](https://forums.percona.com/u/Peter)\
**Post date:** [January 10, 2018, 9:17am UTC](https://forums.percona.com/t/when-could-we-use-grafana-4-6-2-version/6109/2 "2018-01-10T09:17:38Z")

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We typically upgrade to most latest Grafana version during major releases, so PMM 1.6 should have updated Grafana version

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**Author:** ![bckim](https://avatars.discourse-cdn.com/v4/letter/b/67e7ee/32.png) [@bckim](https://forums.percona.com/u/bckim)\
**Post date:** [January 10, 2018, 6:39pm UTC](https://forums.percona.com/t/when-could-we-use-grafana-4-6-2-version/6109/3 "2018-01-10T18:39:48Z")

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could I know about the upgrade schedule?

thank you for your answer.