# Version compatibility

**URL:** https://forums.percona.com/t/version-compatibility/17979
**Category:** Percona XtraDB Cluster 8.x
**Created:** [October 13, 2022, 7:49am UTC](https://forums.percona.com/t/version-compatibility/17979 "2022-10-13T07:49:18Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![danarashad](https://avatars.discourse-cdn.com/v4/letter/d/7ab992/32.png) [@danarashad](https://forums.percona.com/u/danarashad)
#### Post date: [October 13, 2022, 7:49am UTC](https://forums.percona.com/t/version-compatibility/17979/1 "2022-10-13T07:49:18Z")

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I recently had to bring on a new server to my cluster. But the admin installed xtradb 8.0.30 is that version compatible with version 8.0.27?

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### Author: ![matthewb](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/matthewb/32/34_2.png) [@matthewb](https://forums.percona.com/u/matthewb)
#### Post date: [October 13, 2022, 2:19pm UTC](https://forums.percona.com/t/version-compatibility/17979/2 "2022-10-13T14:19:20Z")

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Hello @danarashad,  
Yes, xtrabackup is backwards compatible.

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### Author: ![danarashad](https://avatars.discourse-cdn.com/v4/letter/d/7ab992/32.png) [@danarashad](https://forums.percona.com/u/danarashad)
#### Post date: [October 13, 2022, 3:57pm UTC](https://forums.percona.com/t/version-compatibility/17979/3 "2022-10-13T15:57:55Z")

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Is  
`mysql Ver 8.0.29-21.1 for Linux on x86_64 (Percona XtraDB Cluster (GPL), Release rel21, Revision 250bc93, WSREP version 26.4.3)`  
compatible with `8.0.27-18.1 Percona XtraDB Cluster (GPL), Release rel18, Revision ac35177, WSREP version 26.4.3`?