uld use the out-of-process
model moving forward.</p></li><li><p><strong>Tracing Improvements</strong>. Performed many improvements in our overall tracing
story:</p><ul><li><p>Trace ids are now 128 bit wide.</p></li><li><p>Added support for sending trace data to <a href=/v1.7/docs/tasks/observability/distributed-tracing/lightstep/>Lightstep</a></p></li><li><p>Added the option to disable tracing for Mixer-backed services entirely.</p></li><li><p>Added policy decision-aware tracing.</p></li></ul></li><li><p><s