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lightstep · Dec 19, 2023 · 508a9cb · 508a9cb
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,6 +8,9 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## Unreleased
 
+- LS Metrics SDK add an `AttributeSizeLimit` [#588](https://github.com/lightstep/otel-launcher-go/pull/588)
+- Change the name of the otelcol batch processor to indicate whether traces or metrics. [#587](https://github.com/lightstep/otel-launcher-go/pull/587)
+
 ## [1.22.0](https://github.com/lightstep/otel-launcher-go/releases/tag/v1.22.0) - 2023-11-27)
 
 - Use the OTel-Arrow concurrent batch processor in SDK exporters based on the OTel collector. [#569](https://github.com/lightstep/otel-launcher-go/pull/569)

diff --git a/lightstep/sdk/metric/README.md b/lightstep/sdk/metric/README.md
@@ -193,3 +193,9 @@ context and/or W3C Tracecontext baggage.
 This hook also supports removing attributes from metric events based
 on attribute value before they are aggregated, for example to
 dynamically configure allowed cardinality values.
+
+#### AttributeSizeLimit
+
+This limit is used to truncate attribute key and string values to a
+reasonable size.  The default limit is 8kB.  Zero is not a valid
+limit.