PECL: Latest releases in category benchmarking

datadog_trace 1.24.0

2026-08-19T22:19:38-05:00

## All products ### Fixed - Repair the macOS crashtracking sidecar connector #4069 - Avoid leaking a patched `module_entry` across SSI loader shutdown, which could crash on reload #4087 - Fix `vsnprintf` off-by-one buffer sizing across appsec/logging/telemetry call sites #4115 - Harden crash-report backtrace collection from a multi-threaded process via ptrace DataDog/libdatadog#2216 - Fix parent-death-signal handling in the sidecar/loader child-process bootstrap DataDog/libdatadog#2348 ### Internal - Crashtracker now shares the sidecar's socket instead of holding a dedicated one, reducing per-process file descriptor usage DataDog/libdatadog#2179 - Fix the debug build variant of the SSI loader on PHP 8.4 #4089 ## Tracer ### Added - Support `DD_TRACE_PROPAGATION_BEHAVIOR_EXTRACT` (`continue`/`restart`/`ignore`) to control how upstream distributed-trace context is extracted, matching other Datadog tracers #3997 - Add `DD_DYNAMIC_INSTRUMENTATION_CAPTURE_TIMEOUT_MS` to bound Dynamic Instrumentation capture time #4003 - Add experimental Feature Flag Events (FFE) span enrichment, opt-in via `DD_EXPERIMENTAL_FLAGGING_PROVIDER_SPAN_ENRICHMENT_ENABLED` (default off) #3996 - Publish standard OTel process and thread contexts from the tracer, consumed by the profiler for runtime identity and effective service metadata #4077 ### Changed - Propagate the agent-configured timeout to the sidecar instead of using a fixed value #4025 ### Fixed - Scan the agent's full peer-tag key list for client-side stats instead of truncating it, which had started silently dropping tags like `out.host`/`peer.hostname`/`peer.service`/`server.address` #4102 - Preserve the complete W3C trace-flags byte when converting a Datadog span into an OpenTelemetry span context, fixing sampled+random-id contexts being treated as unsampled #4112 - Fix health metrics over UDS #4116 ### Internal - Report OTLP export status (traces/metrics/logs) in the startup log #4056 - Update libdatadog and fix background-sender telemetry errors/flakiness #4073, DataDog/libdatadog#2277 ## Profiling ### Added - Add build compatibility with PHP 8.6 #4084 ### Changed - Avoid an FFI call on the allocation hot path on NTS builds #4068 - Remove indirect allocator forwarding by specializing malloc/free/realloc callbacks at RINIT #4070 - Speed up `interrupt_count` checks by using a relaxed atomic outside of `REQUEST_LOCALS` #4074 - Reuse a single cached TSRM pointer for profiler and executor globals in the allocation hook (PHP ?8.3) #4072 ## AppSec ### Added - Support the `server.response.body.raw` WAF address for raw (unparsed) HTTP response body inspection #4055 ### Fixed - Ensure `_dd.apm.enabled:0` is present on every span so it is reliably encountered during APM-standalone billing processing #4054 ### Internal - Report `DD_APPSEC_AGENTIC_ONBOARDING` in configuration telemetry #4053

datadog_trace 1.23.3

2026-07-29T13:03:38-05:00

## Profiler ### Fixed - Restore OPcache restart hook on shutdown (#4076)

datadog_trace 1.23.2

2026-07-28T20:35:28-05:00

## Tracer ### Fixed - Prevent application error handlers from replacing successful OpenFeature evaluation values with code defaults #4071

datadog_trace 1.21.0

2026-06-06T01:15:52-05:00

## All products ### Changed - The sidecar is now always spawned unconditionally, regardless of configuration #3912 ### Internal - Bump Rust MSRV to 1.87 #3926 ## Tracer ### Added - Add PHP feature flag evaluation including evaluation metrics via OTLP #3906, #3909, #3910, #3911 - Add `dynamic_service` DBM propagation mode as a convenience alias for `service` mode with base hash injection; this mode will replace `service` on the long term #3940 - Add `DD_DBM_ALWAYS_APPEND_SQL_COMMENT` to unconditionally append SQL comments in DBM regardless of sampling #3954 - Recognize PCF Garden container IDs for Cloud Foundry deployments DataDog/libdatadog#2025 ### Fixed - Fix remote config not being delivered after forking #3958 - Fix span pointer invalidation crash during inferred span serialization with `DD_TRACE_INFERRED_PROXY_SERVICES_ENABLED` #3934 - Fix buffer overflow in autoload path construction for oversized class/path names #3932 - Fix Swoole integration parsing the POST body regardless of `DD_TRACE_HTTP_POST_DATA_PARAM_ALLOWED` #3931 - Guard JIT blacklist rewrite to prevent crashes with non-tracing JIT metadata #3929 - Fix OTel polyfill post hooks with `:void` return type overwriting the instrumented function's actual return value #3920 - Fix span stats broken for nested services due to incorrect `top_level` span detection #3916 - Fix `php.compilation.total_time_ms` reporting values 1000x too large (microseconds labeled as milliseconds) #3915 (thank you @dortort!) - Fix memory corruption of INIs in ZTS builds #3898 - Fix data race in curl header assignment (non-atomic write to `_Atomic` field) #3945 - Fix sample rate normalization to 0..1 range, preventing incorrect Knuth hash computation #3935 - Fix multi-request failures caused by incorrect rinit ordering after tracer/ext split #3946 ### Internal - Split the tracer code into a separate `tracer/` directory within the extension #3912 - Improve crashtracker reliability: socket-based thread collection, incomplete stack handling, and `language:native` tag DataDog/libdatadog#2080, DataDog/libdatadog#2079, DataDog/libdatadog#2083 ## Profiling ### Fixed - Fix macOS release builds for the profiler #3923 ### Internal - Support PHP DEBUG builds for the profiler, enabling ASAN testing in CI #3908 ## AppSec ### Added - Collect `x-datadog-endpoint-scan` and `x-datadog-security-test` security testing headers as span tags on HTTP entry spans, independent of `DD_TRACE_HEADER_TAGS` and AppSec enablement #3925 ### Fixed - Fix out-of-bounds iteration in PHP <8.1 backtrace `HashTable` loop in the AppSec backtrace collection path #3933

datadog_trace 1.20.0

2026-05-21T01:48:53-05:00

## All products ### Fixed - Properly reset SSI loader global state on shutdown to cleanly support reloading #3881 ### Internal - Spawn the sidecar via dynamic linker instead of trampoline #3869 ## Tracer ### Added - Add support for OpenTelemetry logs (`DD_LOGS_OTEL_ENABLED=true`, disabled by default) #3748 ### Changed - Crashtracking now collects stack traces from all threads at the moment of a crash #3866 ### Fixed - Fix NULL dereference crash in ZTS mode during sidecar/telemetry shutdown #3886 - Ensure remote config processing happens strictly after request initialization #3882 - Strip libpq-style paired quotes from PostgreSQL `dbname` DSN value in PDO integration #3885 - Fix use-after-realloc crash in tracestate formatting #3874 ## Profiling ### Fixed - Prevent panics in profiling encoding under out-of-memory and out-of-bounds conditions #3888 ## AppSec ### Added - Add AppSec integrations to Laminas Framework (http.route, endpoint collection, login events) #3716 ### Changed - Update recommended ruleset to v1.18.0, adding Stripe and LLM endpoint detection rules #3859 ### Fixed - Treat cleared shared memory as no-config rather than an error in AppSec helper #3876 - Avoid the possibility of sensitive data going to the telemetry logs backend via WAF strings #3884 ### Internal - Fix `blocked_request` metric tag detection in AppSec helper #3863 - Add `block` tag to `rasp.rule.match` metric #3870 - RFC-1012 metrics improvements: WAF duration distributions, rule_variant tag, and tag fixes #3850

datadog_trace 1.19.2

2026-05-06T21:58:52-05:00

## Tracer ### Changed - Restrict the accepted amount of extracted tags and baggage #3854 ### Fixed - Fix parentId refcount underflow #3851 - Fix SpanStack active reference corruption #3853 - Retry FFI telemetry batches when session config not yet available DataDog/libdatadog#1929 - Fallback to ftruncate if fallocate gets EPERM DataDog/libdatadog#1938

datadog_trace 1.19.1

2026-04-30T12:31:15-05:00

## Tracer ### Fixed - Fix catastrophic backtracking in PDO integration #3848

datadog_trace 1.19.0

2026-04-29T10:37:00-05:00

## All products ### Fixed - Fix critical ZTS race condition in INI value refcounting that caused use-after-free crashes under concurrent load #3832 - Ensure a unique installation directory to avoid conflicts with other tools #3835 ## Tracer ### Added - Implement client-side stats computation using shared memory for zero-copy stats delivery, with fallback to socket on first payloads #3756, #3811, #3815, #3836 ### Changed - Use a webserver-wide session ID for sidecar instead of per-fork session IDs, and propagate it to child processes via environment #3828, #3838 ### Fixed - Fix ZTS race condition in `process_tags.serialized` refcounting on shared inter-thread string #3831 - Fix dynamic instrumentation installation regression when enabling via dynamic config #3843 - Handle `APM_MULTI_CONFIG` remote configuration and fix missing data for exception replay #3791 - Fix duration of httpstream and live debugger spans being incorrectly reported as zero #3821 - Fix `instanceof` type aliases for PHP 7.x in live debugger DSL (`integer`/`double` vs `int`/`float`) #3813 - Obfuscate `:name` placeholder parameters in PDO queries for correct DBM correlation #3801 - Fix locale settings breaking ksr resolution #3797 (thank you @jdmaguire for the report!) - Fix exception in PDO::__construct when signals arrive during database connection setup #3841 - Fix infinite loop in crashtracker runtime stack collection #3845 ### Internal - Add timeout to sidecar info fetcher DataDog/libdatadog#1890 - Allow sidecar worker to be stopped cleanly after fork DataDog/libdatadog#1893 - Use a dedicated sidecar connection per PHP thread, reducing lock contention and enabling per-thread request queuing #3770 - Emit environment variable names in telemetry config (e.g., `DD_TRACE_GENERATE_ROOT_SPAN`) instead of INI dot notation #3783 - Default crash report upload to errors intake to be enabled DataDog/libdatadog#1902 - Flush telemetry on anticipated sidecar shutdown to avoid data loss for short-lived sidecars #3806 - Skip sending empty telemetry payloads DataDog/libdatadog#1894 - Wire telemetry extended heartbeat interval through sidecar SessionConfig DataDog/libdatadog#1882, #3800 ## Profiling ### Added - Support generator unwinding in stack traces #3807 ## AppSec ### Fixed - Fix Remote Config regression in Rust helper #3840 - Fix double-logging of broken connections as errors and improve connection error handling in Rust helper #3792, #3803 ### Internal - Enable helper-rust by default also on PHP 8.4 #3842 - Update vendored libxml2 from 2.15.2 to 2.15.3 #3814

excimer 1.2.6

2026-04-16T02:44:29-05:00

- Fix ZTS mode, as used by FrankenPHP - Fix memory leak in excimer_log_get_speedscope_data - Fix test failure in PHP 8.4

datadog_trace 1.18.0

2026-04-15T11:26:07-05:00

## All products ### Internal - Update and shrink build images, migrate to clang 19 #3771 ## Tracer ### Added - Support ApmTracingMulticonfig in dynamic config #3773 ### Fixed - Improve Symfony http.route resolution performance #3779 (thank you @B-Galati for the report!) - Wrap PDO::__construct for signal handling #3786 ### Internal - Fix spawn\_worker trampoline issues DataDog/libdatadog#1844 ## AppSec ### Added - Enable rust helper on PHP 8.5 #3780 (can be disabled with `DD_APPSEC_HELPER_RUST_REDIRECTION=false`)