1.5.1

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Added

• Add mysqli_real_query to MysqliIntegration #2965

Application Security Management

Fixed

• Bridge more musl/glibc diffs in aarch64 DataDog/nginx-datadog#140

1.5.0

There is a known issue with the Application Security Management module on aarch64 architectures in this release. If you use datadog.appsec.enabled=0, this won't affect you. Otherwise it might happen that the datadog-ipc-helper process crashes immediately.

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Added

• PHP 8.4 support #2758
• Support Tag Keys for DD_TRACE_HEADER_TAGS #2922
• Add stubs for the Public PHP API #2933
• These are available as datadog_tracer.stubs.php release asset
• Collect agent info and apply the env for remote config #2930

Changed

• Increase read timeout of sidecar for synchronous flushes #2910
• Implement Universal Service Tracking Consistency #2896
• Updating Default Rate Limit Value and Usage Based on Sample Rate #2912

Fixed

• Fix a possible crash in zai config #2906
• Fix crash when yielding from generators are destroyed #2908
• Fix bad hasThis() check on PHP 7.0 #2911
• Fix RootSpanData writer interception on consecutive calls #2919
• Fix DD_TRACE_OBFUSCATION_QUERY_STRING_REGEXP Empty Value Behavior #2909
• Handle hooks on trampoline fake closures #2925
• Fix crash with locals collection in generator close sequence #2932
• Avoid the hook frame in mysqli connection error tracking #2937
• Support multiple PHP_INI_SCAN_DIR's #2941
• Fix use-after-free in exception replay #2947
• Fully disable the sidecar on lambda by setting all related configs to false #2948
• Fix Symfony Messenger propagation to non-instrumented clients #2956
• Fix JIT crash: There may or may not be a readable ZEND_TRACE_OP_INFO() #2942
• Block remote config signals during ftp functions #2957
• Deduplicate Debugger diagnostics in sidecar DataDog/libdatadog#736
• Handle case where the applictaion is stopped without other telemetry sent DataDog/libdatadog#743

Internal

• Create many tiny artifacts for faster download #2951
• Using datadog-setup.php will now download less than 50 MB for a single PHP version
• Add names to memfds DataDog/libdatadog#714
• Allow attaching to the sidecar via gdb DataDog/libdatadog#687

SSI Loader changes

• Fix compatilibity with PHP 5 #2939
• Fix crash when the loader is loaded multiple times #2954

Profiling

Added

• Add fatals and thread start/end events to timeline #2820
• Add thread names #2934
• Add timeline active check for fatals #2945
• Add stream_select()-type functions to timeline #2943
• Visualise opcache restarts in the timeline #2946

Application Security Management

Changed

• Disable helper when appsec is fully disabled #2935

Fixed

• Fix heap corruption after apache reloads (appsec) #2928

Internal changes

• Update spdlog so it works with recent musls #2921
• Bump libddwaf to 1.20.1 #2913

1.4.2

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Changed

• Disable sidecar sending on lambda #2904

Fixed

• Fix exception property offset computation for PHP 8.1+ #2901
• Prevent Laravel Queue hooks from stacking up #2899
• Fix crash with missing name in span in debug mode #2893
• Restrict remote config path to a definite 31 chars DataDog/libdatadog#676

Application Security Management

Changed

• Update event obfuscation regex #2897

Fixed

• Fix abort() call on appsec helper unload #2900

1.4.1

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Fixed

• Fix: MongoDBIntegration condition typo #2884
• Fix crash in profiler when span stack switch causes GC run #2885
• Support build with disabled zend signals #2886
• Send git tags via remote config #2890
• Fix memory leak with sidecar trace sender #2875

Profiling

Fixed

• Fix profiler ZTS build on alpine #2887

Application Security Management

Fixed

• Improve behavior with empty DD_SERVICE/DD_ENV #2888

1.4.0

Tracer

The default value for datadog.trace.cli_enabled is now set to true (except for composer), meaning that CLI processes will be traced by default.

Added

• Dynamic configuration #2796
• Dynamic instrumentation #2796
  • Can be enabled with datadog.dynamic_instrumentation.enabled=1.
• Exception replay #2796
  • Can be enabled with datadog.exception_replay_enabled=1.
• Track peak memory usage in root span metrics #2840

Changed

• Enable sidecar trace sender on PHP 8.3 #2729
• Optimize sending traces via sidecar DataDog/libdatadog#598
• Add new ini config datadog.crashtracking_enabled #2850
• Add ionCube to the list of incompatible extensions + add INI setting to ignore incompatible extensions #2858
• Enable CLI by default #2871

Fixed

• Crashtracker: fix a use-after-free error #2843
• Fix curl integration race condition #2847
• Fix memory leak with sidecar trace sender #2875
• OpenTelemetry: Missing addLink method and Fiber handling #2849
• Mongodb: Deprecated exception in v1.20+ #2870
• Fix leaking sidecar sessions DataDog/libdatadog#642
• Implement deadlock watchdog for sidecar DataDog/libdatadog#647

Internal

• Fix testsuite flakiness #2841, #2846, #2848, #2867
• Fix telemetry metric name DataDog/libdatadog#666

SSI Loader changes

• Add SSI requirements.json file #2813
• Disable the tracer in case of a potential incompatibility (extension/jit) #2853

Profiling

Internal

• bump to Rust 1.76 #2876

Application Security Management

Changed

• Move helper to sidecar remote config #2864

Fixed

• Fix improper symbol exports in appsec ext/helper #2854
• Remove gid from socket/lock path of helper #2855
• appsec ext: retry on connection refused #2860
• Fix orderly helper appsec shutdown #2859

Internal changes

• Add appsec benchmarks #2791

1.3.2

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Fixed

• Fix crash with git metadata injection #2862

1.3.1

⚠️ This version can crash with git source code integration when the .git/ folder is in an inconsistent state. To mitigate set datadog.trace.git_metadata_enabled=0 (or environment variable DD_TRACE_GIT_METADATA_ENABLED=0) or upgrade to v1.3.2.

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Fixed

• Fix DD_AUTOLOAD_NO_COMPILE #2833
• Loader: Use the same version number as for other extensions #2838
• Consider ifunc symbols also defined DataDog/libdatadog#609
• Fix crash with double parent key in tracestate #2837
• Fix #2831: Failure with LTO #2839

Internal

• Avoid using non-bundled rust git dependencies #2827

1.3.0

⚠️ This version can crash with git source code integration when the .git/ folder is in an inconsistent state. To mitigate set datadog.trace.git_metadata_enabled=0 (or environment variable DD_TRACE_GIT_METADATA_ENABLED=0) or upgrade to v1.3.2.

Tracer

The default value for datadog.log_backtrace is now set to true, meaning that on compatible systems, a segmentation fault will cause the process's backtrace to be printed in the log.

Added

• Add SpanEvents support for DD and OTEL #2754
• Symfony Messenger Integration #2749
• Add crashtracker #2763

Changed

• Updates the expected telemetry tags for OTel env-var mapping in line with the latest RFC #2775

Fixed

• Multiple Workers in SWOOLE_BASE mode #2778
• Fix ini creation when --extension-dir is used #2789
• Fix fatal error when reading uninit $meta on a span #2790
• Fix JIT crash with instrumented generators #2797
• Handle absolute paths in extension_dir containing forward slashes #2798
• Fix setup with spaces in path to php binary #2803
• Fix #2774: shared hooks removal caused xdebug end handler to be skipped #2780
• Fix error message for not loaded/not available #2810
• Implement fallback for when memfd is not available on Linux DataDog/libdatadog#591
• Use the Windows User ID as sidecar identifier instead of the Session ID DataDog/libdatadog#558
• Fix error check in trampoline.c DataDog/libdatadog#569
• Do not implicitly fall back to spl_autoload() if no autoloader is registered on PHP 7 #2822
• Prevent crash in shutdown if hook was not stored #2824

Internal

• Send x-datadog-test-session-token metric and send metrics to request-replayer #2802
• Only warn on missing json extension #2805
• Fix compilation after alpine container upgrade #2811
• Telemetry v2 schema for app-started payload requires 'configuration' DataDog/libdatadog#543

Profiling

Added

• Add timestamp to exception sample #2793

Internal

• Perf: remove profiler mutex #2714

Application Security Management

Added

• Automated user ID collection modes #2782
• Report backtraces #2715

Changed

• Support loading appsec helper in sidecar DataDog/libdatadog#565

Fixed

• Refactor the sampler to fix errors #2761

1.2.0

⚠️ This version can crash with git source code integration when the .git/ folder is in an inconsistent state. To mitigate set datadog.trace.git_metadata_enabled=0 (or environment variable DD_TRACE_GIT_METADATA_ENABLED=0) or upgrade to v1.3.2.

This release adds beta support for PHP Single Step Instrumentation, allowing the instrumentation of your PHP applications without the manual installation of the dd-trace-php extension.

Read https://docs.datadoghq.com/tracing/trace_collection/automatic_instrumentation/single-step-apm/ for more details.

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Added

• Add span field meta_struct #2673
• Add config to disable obfuscation in memcached queries #2725
• Add PDO spans to orphans removal #2743
• Make generators replaceable #2718
• Source Code Integration #2731
• OpenAI Integration #2685
• Add support for Single Step Instrumentation #2684 #2723

Fixed

• Fix PHP binary detection in package post-install script #2707
• Handle OTel HTTP semantic conventions < 1.21.0 #2717
• Respect the active service/env/version for metric tags #2742
• Fix post bailout hook execution in 8.3 unoptimized builds #2737
• Fix env&version tags leaking in metrics #2745
• Fix global priority sampling #2728
• Fix crash in OpenTelemetry Span::getCurrent() when accessing span link #2767

Internal

• Compile sidecar and extension separately, to link them together later #2741
• Sync with libdatadog for telemetry flush data intval #2757

Profiling

Internal

• Keep string cache data alive longer #2668
• Extract func is_internal() #2736
• Less unsafe code #2739
• Refactor fork handling #2747

Application Security Management

Fixed

• Refactor the sampler to fix errors #2761

Internal

• Upgrade helper to use WAF 1.18.0 #2660
• Add more logs around schema extraction #2755

1.1.0

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Added

• Implement OTel config remapping #2691
• Remap OTel to DD status code #2695

Fixed

• Apply some fixes with sidecar trace sender #2680, #2686, #2689, #2698, #2700
• Don't treat Symfony 2 differently from other versions #2693
• Ensure DDTRACE_G(active_stack) is always NULL when the root span is being pushed #2701

Internal

• Switch 2 logs to logev to avoid useless work #2679
• shrink size of Rust artifacts #2696

Profiling

Added

• Add thread id label on every sample #2692

Internal

• Reduce memory usage by upgrading libdatadog to v10 #2697