- ElastiCache for Valkey now emits OpenTelemetry metrics to CloudWatch, with PromQL‑compatible attributes for filtering and aggregation.
- Adds Standard (60 s core metrics) and Detailed (full OpenTelemetry metrics every 15 s) monitoring modes, with no extra ElastiCache charge; CloudWatch pricing applies to detailed metrics and queries.
- Provides deeper diagnostics (e.g., connection limits, error breakdowns, memory forecasts) and powers the ElastiCache Insights dashboard, configurable via the console.