XtraDB Cluster Versions

MySQL & MariaDB Percona XtraDB Cluster 8.x
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One of my servers went down and I am bringing on another node. However the admin can only install the most up to date software which is currently 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)

Is the above compatible with mysql Ver 8.0.27-18.1 Percona XtraDB Cluster (GPL), Release rel18, Revision ac35177, WSREP version 26.4.3?

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2

You should be fine, however it is recommended that you upgrade the 8.0.27 nodes to match as soon as possible.

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