1.25.0

All products

Added

• Support the stable OpenTelemetry deployment.environment.name resource attribute, mapped to DD_ENV (in addition to the legacy deployment.environment) #4148

Internal

• Exclude DD_API_KEY and OTLP exporter header values from configuration telemetry #3961

Tracer

Changed

• Add a 1 MB size limit to Dynamic Instrumentation capture snapshots #4126

Fixed

• Fix missing/mis-tagged drupal.theme.render spans on Drupal >= 11.3 and under early-returning renders #4145
• Fix sidecar reconnection error handling DataDog/libdatadog#2463
• Fix a sidecar listening-socket leak across forks DataDog/libdatadog#2447

Internal

• Reduce reconnect overhead for periodic background HTTP requests in the sidecar (telemetry/trace flushes) DataDog/libdatadog#2440
• Reduce the number of HTTP requests sent for shutdown telemetry DataDog/libdatadog#2435
• Feature Flag Evaluation: support arbitrary semver version formats and add serial-id tracking to exposure events DataDog/libdatadog#2413, DataDog/libdatadog#2402
• Improve crash-report accuracy by filtering stack frames above the faulting frame DataDog/libdatadog#2428
• Fix -flto -ffat-lto-objects builds DataDog/libdatadog#2460

Profiling

Changed

• Improve profiler throughput by ~1% by gating debug-only runtime cache stats behind a build feature #4130

Fixed

• Restore I/O GOT hooks on module shutdown #4154

Internal

• Align zstd compression behavior across targets in the profiler's uploader DataDog/libdatadog#2400

AppSec

Internal

• Move appsec communication onto the sidecar; the appsec helper is now built into the sidecar instead of as a separate binary, and the legacy C++ helper is removed #3725