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docs/CHANGELOG.md: recommend upgrading from v1.78.0 to v1.78.1 because of the bug in v1.78.0

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Aliaksandr Valialkin 2022-07-08 03:44:22 +03:00
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@ -76,7 +76,7 @@ Released at 08-07-2022
Released at 20-06-2022
**Warning (03-07-2022):** VictoriaMetrics v1.78.0 contains a bug, which may result in missing time series during queries.
It is recommended downgrading to [v1.77.2](#v1772) until the bugfix release.
It is recommended upgrading to [v1.78.1](#v1781).
**Update notes:** this release introduces backwards-incompatible changes to communication protocol between `vmselect` and `vmstorage` nodes in cluster version of VictoriaMetrics because of added [query tracing](https://docs.victoriametrics.com/Single-server-VictoriaMetrics.html#query-tracing), so `vmselect` and `vmstorage` nodes will experience communication errors and read requests to `vmselect` will fail until the upgrade is complete. These errors will stop after all the `vmselect` and `vmstorage` nodes are updated to the new release. It is safe to downgrade to previous releases.