Changelog for older versions can be found in our release page.
- Support the stable OpenTelemetry
deployment.environment.nameresource attribute, mapped toDD_ENV(in addition to the legacydeployment.environment) #4148
- Exclude
DD_API_KEYand OTLP exporter header values from configuration telemetry #3961
- Add a 1 MB size limit to Dynamic Instrumentation capture snapshots #4126
- Fix missing/mis-tagged
drupal.theme.renderspans 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
- 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
- Improve profiler throughput by ~1% by gating debug-only runtime cache stats behind a build feature #4130
- Restore I/O GOT hooks on module shutdown #4154
- Align zstd compression behavior across targets in the profiler's uploader DataDog/libdatadog#2400
- 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