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@dd-octo-sts dd-octo-sts released this 26 Jun 09:06
1.22.0
39b0b10
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Learn about vigilant mode.

Note

This release adds experimental heap live profiling to the profiler. This is off by default. Enable it with the environment variable DD_PROFILING_EXPERIMENTAL_HEAP_LIVE_ENABLED =1 or INI setting datadog.profiling. experimental_heap_live_enabled =1.

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
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