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docs: mention #7392 in changelog

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Signed-off-by: hagen1778 <roman@victoriametrics.com>
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@ -24,6 +24,7 @@ See also [LTS releases](https://docs.victoriametrics.com/lts-releases/).
* FEATURE: [Single-node VictoriaMetrics](https://docs.victoriametrics.com/) and `vmstorage` in [VictoriaMetrics cluster](https://docs.victoriametrics.com/cluster-victoriametrics/): add a separate cache type for storing sparse entries when performing large index scans. This significantly reduces memory usage when applying [downsampling filters](https://docs.victoriametrics.com/#downsampling) and [retention filters](https://docs.victoriametrics.com/#retention-filters) during background merge. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7182) for the details. * FEATURE: [Single-node VictoriaMetrics](https://docs.victoriametrics.com/) and `vmstorage` in [VictoriaMetrics cluster](https://docs.victoriametrics.com/cluster-victoriametrics/): add a separate cache type for storing sparse entries when performing large index scans. This significantly reduces memory usage when applying [downsampling filters](https://docs.victoriametrics.com/#downsampling) and [retention filters](https://docs.victoriametrics.com/#retention-filters) during background merge. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7182) for the details.
* FEATURE: [dashboards](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/dashboards) for VM single-node, cluster, vmalert, vmagent, VictoriaLogs: add `Restarts` panel to show the events of process restarts. This panel should help correlate events of restart with unexpected behavior of processes. * FEATURE: [dashboards](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/dashboards) for VM single-node, cluster, vmalert, vmagent, VictoriaLogs: add `Restarts` panel to show the events of process restarts. This panel should help correlate events of restart with unexpected behavior of processes.
* FEATURE: [alerts](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/rules/alerts-vmalert.yml): add alerting rule `RemoteWriteDroppingData` to track number of dropped samples that weren't sent to remote write URL. * FEATURE: [alerts](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/rules/alerts-vmalert.yml): add alerting rule `RemoteWriteDroppingData` to track number of dropped samples that weren't sent to remote write URL.
* FEATURE: [vmalert-tool](https://docs.victoriametrics.com/vmalert-tool/): use `evaluation_interval` as default `interval` value in [test_group](https://docs.victoriametrics.com/vmalert-tool/index.html#lttest_groupgt). This change aligns with promtool behavior.
* BUGFIX: [dashboards](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/dashboards) for Single-node VictoriaMetrics, cluster: The free disk space calculation now will subtract the size of the `-storage.minFreeDiskSpaceBytes` flag to correctly display the remaining available space of Single-node VictoriaMetrics/vmstorage rather than the actual available disk space, as well as the full ETA. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7334) for the details. * BUGFIX: [dashboards](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/dashboards) for Single-node VictoriaMetrics, cluster: The free disk space calculation now will subtract the size of the `-storage.minFreeDiskSpaceBytes` flag to correctly display the remaining available space of Single-node VictoriaMetrics/vmstorage rather than the actual available disk space, as well as the full ETA. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7334) for the details.
* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert): properly set `group_name` and `file` fields for recording rules in `/api/v1/rules`. * BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert): properly set `group_name` and `file` fields for recording rules in `/api/v1/rules`.