OpenTelemetry SDK
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    Variable EVENT_APP_JANKConst Experimental

    EVENT_APP_JANK: "app.jank" = ...

    This event indicates that the application has detected substandard UI rendering performance.

    Jank happens when the UI is rendered slowly enough for the user to experience some disruption or sluggishness.

    This event is experimental and is subject to breaking changes in minor releases of @opentelemetry/semantic-conventions.