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docs/CHANGELOG.md: mention about adding query, first and value functions to alert templates

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See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/539
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Aliaksandr Valialkin 2020-12-14 20:17:04 +02:00
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@ -3,6 +3,7 @@
# tip
* FEATURE: automatically reset response cache when samples with timestamps older than `now - search.cacheTimestampOffset` are ingested to VictoriaMetrics. This makes unnecessary disabling response cache during data backfilling or resetting it after backfilling is complete as described [in these docs](https://victoriametrics.github.io/#backfilling). This feature applies only to single-node VictoriaMetrics. It doesn't apply to cluster version of VictoriaMetrics because `vminsert` nodes don't know about `vmselect` nodes where the response cache must be reset.
* FEATURE: vmalert: add `query`, `first` and `value` functions to alert templates. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/539
* FEATURE: vmagent: return user-friendly HTML page when requesting `/targets` page from web browser. The page is returned in the old plaintext format when requesting via curl or similar tool.
* FEATURE: allow multiple whitespace chars between measurements, fields and timestamp when parsing InfluxDB line protocol.
Though [InfluxDB line protocol](https://docs.influxdata.com/influxdb/v1.8/write_protocols/line_protocol_tutorial/) denies multiple whitespace chars between these entities,