April 4, 2018
The Trace Viewer now allows you to view trace spans for related Google Cloud Platform projects in one view. See Viewing traces across projects for details.
March 28, 2018
Stackdriver Trace Data Access audit logs are now Generally Available. See Stackdriver Trace Audit Logging for details.
March 12, 2018
Beginning on June 30, 2018, Stackdriver is switching to consumption-based pricing, including revised quotas. For more information, see Stackdriver Upcoming Pricing.
February 27, 2018
The Trace Viewer now associates logs entries with trace spans when the
span_id field is specified. See
Viewing Trace Details
The Trace Viewer now follows your scroll through the span details page, making it easier to see span details of large traces.
January 12, 2018
The Trace viewer now shows sub-millisecond resolution for Trace spans.
January 9, 2018
October 31, 2017
October 2, 2017
The Trace viewer now shows parent-child relationships between trace spans. You can expand or collapse the parent spans. See Viewing Trace Details for more information.
August 1, 2017
The Trace Viewer now allows you to view associated log entries in line with trace spans and links to VM logs for Google Cloud Load Balancer spans. See the Log Entries section of Viewing Trace Details.
June 5, 2017
Advanced trace filters: The Trace List page and Trace API now allow filtering traces by custom labels, latencies, child spans, and methods in addition to URIs. See Trace Filters.
February 6, 2017
Zipkin tracer compatibility: Stackdriver Trace is now compatible with Zipkin tracers. For more information, see the blog post.
Scatter plots: We've added a new scatter-plot selection tool to the Stackdriver Trace UI. This lets you more quickly identify, view, and compare interesting traces.
October 20, 2016
Analysis Reports Compare your application's latency profile across time and versions.