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@JacksonWeber JacksonWeber released this 06 Oct 20:32
v3.4.5
9f3440d
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Learn about vigilant mode.

This release enables internal SDK network statistics and routes them to a dedicated SDK Stats ingestion endpoint. The @microsoft/1ds-post-js channel is numbered 4.4.5 and requires v3.4.5.

Significant Changes (since 3.4.4)

  • Internal SDK Stats: The full SDK now records request successes, failures, retries, throttling, and request duration. Counters are persisted in session storage by customer instrumentation key and endpoint, with a default collection interval of one hour (stats.shrtInt, in seconds).
  • Dedicated Ingestion and Dynamic Configuration: Internal SDK Stats use a separate core and sender, rather than the customer's telemetry pipeline. Sending requires stats.cfgUrl, stats.iKey, and an enabled remote configuration that supplies the destination host. EU customer endpoints use the EU-prefixed configuration host. Configuration and sampling can be updated at runtime, and counters are retained while remote configuration is unavailable.
  • Feature Throttling: Added ThrottleMgr.useFeature() and string-keyed throttleMgrCfg entries for feature operations. Internal SDK Stats have a dedicated daily throttle, separate from internal diagnostic messages. Throttle sampling now honors a zero rate, interval rules are evaluated per configuration, and long-lived instances can send again on the next eligible UTC day.
  • SDK Stats Metric Names: Aligned failure, retry, and exception metrics with the Statsbeat names Request_Failure_Count, Retry_Count, and Exception_Count, preserving their dimensions and aggregation.
  • Sender Unload Reliability: Late network responses no longer access the cleared core configuration when looking up internal SDK Stats after unload.
  • Build Dependency Security: Updated vulnerable transitive build dependencies to resolve nine Dependabot alerts. These changes do not affect the SDK runtime source.

Potential behavioral changes

The internal SDK Stats manager is enabled by default, but it does not send statistics until the required local or CDN-delivered configuration is available and the remote configuration enables sending. Disable this feature with featureOptIn: { sdkStats: { mode: FeatureOptInMode.disable } }. The lowercase sdkStats feature is separate from the existing customer-facing SdkStats feature and its sdkStats.int collection interval.

Internal SDK Stats bypass customer telemetry initializers and plugins. Applications that use those hooks to inspect, modify, or filter customer telemetry should use the internal SDK Stats feature flag to opt out instead.

Changelog

Full Changelog: v3.4.4...v3.4.5

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