DataDog/dd-trace-php 1.22.0

on GitHub

Tracer

Fixed

• Fix SpanStack::$active unset corruption #3962
• Fix sandbox not saving/restoring jit_trace_num #3964
• Fix SpanStack state corruption when tracing objects with deep clone operations #3976
• Fix request_exec being issued between requests #3939
• Fix Azure Functions instance name resolution DataDog/libdatadog#2077
• Fix remote config tracing_sample_rate missing/null deserialization DataDog/libdatadog#2102

Internal

• Fix crashtracker metadata: correctly distinguish JIT disabled vs opcache disabled, and correct system INI classification #3965
• Use libdatadog's CSS trace filter implementation, aligning filtering behavior with the agent #3986, DataDog/libdatadog#1985
• Add configurable sidecar connection retry interval #3977, DataDog/libdatadog#2106
• Emit _dd.svc_src span tag per Service Override Source Attribution RFC #3948
• Fix duplicate span serialization in the sidecar DataDog/libdatadog#2107

Profiling

Added

• Add trampoline for frameless functions (FLF) to correctly capture timings on aarch64 and x86_64 #3595
• Add experimental heap-live profiling for memory leak detection, enabled via DD_PROFILING_EXPERIMENTAL_HEAP_LIVE_ENABLED (requires allocation profiling to be active) #3623

Fixed

• Fix profiler crashes and hangs: stderr fd leak (O_CLOEXEC missing) causing child processes to hang, NULL file dereference in timeline error observer on PHP 8.0, and async signal delivery to helper threads causing a segfault on ZTS builds #3364
• Fix macOS release builds for the profiler #3987

Internal

• Replace lazy_static with std::sync::LazyLock and optimize Sapi/RefCellExt #3990
• Simplify profiler name/version string constants to compile-time values #3998

AppSec

Changed

• Enable Rust helper by default for all PHP versions (can be disabled with DD_APPSEC_HELPER_RUST_REDIRECTION=false) #3991

Internal

• Implement waf.error and rasp.error error tracking metrics #3963
• Harden _assume_utf8 against potential out-of-bounds access #4009