Grafana Tempo 2.3 release: faster trace queries, TraceQL upgrades

Grafana Tempo 2.3 introduces significant enhancements with the vParquet3 backend, which optimizes search speeds by allowing dedicated string attribute columns for more efficient TraceQL queries, while maintaining the previous version as default for smoother upgrades. The release also adds several new features to TraceQL, including structural and negated structural operators, a negated regex operator, and a new intrinsic called statusMessage, alongside comprehensive support for OpenTelemetry attributes, enabling more flexible and complex queries. Future developments aim to expand TraceQL's capabilities to query links, events, and metrics directly from traces, with community feedback invited for these initiatives. Grafana Tempo is accessible through Grafana Cloud's free tier, offering substantial data allowances for traces, logs, and metrics, with community engagement encouraged via various platforms.

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