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add experimental warning #1598

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Sep 26, 2025
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add experimental warning #1598

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5 changes: 5 additions & 0 deletions docs/content/exporters/unicode.md
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Expand Up @@ -3,6 +3,11 @@ title: Unicode
weight: 2
---

{{< hint type=warning >}}
Unicode support is experimental, because [OpenMetrics specification](https://openmetrics.io/) is not
updated yet to support Unicode characters in metric and label names.
{{< /hint >}}

The Prometheus Java client library allows all Unicode characters, that can be encoded as UTF-8.

At scrape time, some characters are replaced based on the `encoding` header according
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