"The release includes a fully rebuilt logs panel, now with colour highlighting, flexible client-side search and filtering, and support for both millisecond and nanosecond precision in timestamps. It also introduces a "logs context" feature, allowing users to view events that occurred immediately before or after a selected log line, with time ranges adjustable from roughly one hundred milliseconds up to two hours."
"Grafana Tempo 2.9 enhances tracing, and the biggest addition in this release is experimental Model Context Protocol (MCP) server support, which allows AI assistants to access tracing data with TraceQL queries. It adds probabilistic sampling hints in TraceQL, for example with(sample=true) or with(sample=0.xx), which allow users to sacrifice some accuracy for speed in high-volume environments. The release also improves operational visibility in multi-tenant setups thanks to new metrics such as bytes inspected during queries and span timestamp distance, both into the past and the future."
Grafana 12.3 upgrades the unified dashboard with a fully rebuilt logs panel featuring colour highlighting, client-side search and filtering, and millisecond and nanosecond timestamp precision. A logs context feature enables viewing events immediately before or after a selected log line with adjustable ranges from roughly one hundred milliseconds to two hours. A field selector shows frequent log fields, allows toggling and reordering, and reduces noise. Interactive Learning provides context-aware guidance based on user location and actions in Grafana. Grafana Tempo 2.9 adds experimental MCP server support, probabilistic TraceQL sampling hints, and new multi-tenant operational metrics.
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