A little over six months ago, OpenTelemetry announced support for the profiling signal. While the signal is still in development and isn’t yet recommended for production use, the Profiling SIG has made substantial progress on many fronts. This post provides a summary of the progress the Profiling SIG has made over the past six months. OTLP improvements Profiles were added as a new signal type to OTLP in v1.3.0, though this area is still marked as unstable as we continue to make changes to it.