Incorporate the sidecar communication protocol changes from libdatadog

[bwoebi]

And updating tests with it.

[datadog-datadog-prod-us1-2]

⚠️ Tests

✨ Fix all issues with BitsAI or with Cursor

⚠️ Warnings

🧪 13 Tests failed

testSearchPhpBinaries from integration.DDTrace\Tests\Integration\PHPInstallerTest     (Fix with Cursor)

Risky Test
phpvfscomposer://tests/vendor/phpunit/phpunit/phpunit:60

testSimplePushAndProcess from laravel-58-test.DDTrace\Tests\Integrations\Laravel\V5_8\QueueTest     (Fix with Cursor)

Risky Test
phpvfscomposer://tests/vendor/phpunit/phpunit/phpunit:60

testSimplePushAndProcess from laravel-8x-test.DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest     (Fix with Cursor)

DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest::testSimplePushAndProcess
Test code or tested code printed unexpected output: spanLinksTraceId: 69c1502b0000000000f7db7c83058e32
tid: 69c1502b00000000
hexProcessTraceId: 00f7db7c83058e32
hexProcessSpanId: 6009cb37df5cc30a
processTraceId: 69765647068139058
processSpanId: 6920285743262515978

View all

ℹ️ Info

No other issues found (see more)

❄️ No new flaky tests detected

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 05dd5ba | Docs | Datadog PR Page | Was this helpful? React with 👍/👎 or give us feedback!}

[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2026-03-23 15:43:19

Comparing candidate commit 05dd5ba in PR branch bob/libdd-update with baseline commit b9a49fa in branch master.

Found 1 performance improvements and 16 performance regressions! Performance is the same for 175 metrics, 2 unstable metrics.

scenario:ComposerTelemetryBench/benchTelemetryParsing-opcache

• 🟥 execution_time [+6.882µs; +7.718µs] or [+55.053%; +61.747%]

scenario:MessagePackSerializationBench/benchMessagePackSerialization

• 🟩 execution_time [-3.611µs; -2.729µs] or [-3.326%; -2.513%]

scenario:PDOBench/benchPDOOverhead

• 🟥 execution_time [+18.569µs; +21.979µs] or [+8.499%; +10.059%]

scenario:PDOBench/benchPDOOverhead-opcache

• 🟥 execution_time [+19.276µs; +22.357µs] or [+8.881%; +10.301%]

scenario:PDOBench/benchPDOOverheadWithDBM

• 🟥 execution_time [+20.370µs; +24.078µs] or [+9.345%; +11.046%]

scenario:PDOBench/benchPDOOverheadWithDBM-opcache

• 🟥 execution_time [+15.630µs; +19.788µs] or [+7.115%; +9.008%]

scenario:PHPRedisBench/benchRedisOverhead

• 🟥 execution_time [+98.980µs; +123.289µs] or [+11.673%; +14.540%]

scenario:PHPRedisBench/benchRedisOverhead-opcache

• 🟥 execution_time [+97.971µs; +114.869µs] or [+11.096%; +13.010%]

scenario:SpanBench/benchDatadogAPI

• 🟥 execution_time [+3.132µs; +4.473µs] or [+4.914%; +7.017%]

scenario:SpanBench/benchDatadogAPI-opcache

• 🟥 execution_time [+2.933µs; +4.137µs] or [+4.602%; +6.491%]

scenario:SpanBench/benchOpenTelemetryAPI

• 🟥 execution_time [+24.809µs; +36.204µs] or [+3.465%; +5.056%]

scenario:SpanBench/benchOpenTelemetryAPI-opcache

• 🟥 execution_time [+18.242µs; +29.154µs] or [+2.737%; +4.373%]

scenario:SpanBench/benchOpenTelemetryInteroperability

• 🟥 execution_time [+4.916µs; +7.951µs] or [+2.642%; +4.273%]

scenario:SymfonyBench/benchSymfonyDdprof

• 🟥 execution_time [+325.061µs; +440.059µs] or [+3.713%; +5.027%]

scenario:SymfonyBench/benchSymfonyDdprof-opcache

• 🟥 execution_time [+269.286µs; +402.394µs] or [+3.069%; +4.586%]

scenario:SymfonyBench/benchSymfonyOverhead

• 🟥 execution_time [+294.782µs; +421.178µs] or [+3.596%; +5.138%]

scenario:SymfonyBench/benchSymfonyOverhead-opcache

• 🟥 execution_time [+375.540µs; +493.460µs] or [+4.543%; +5.970%]

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 68.74%. Comparing base (b9a49fa) to head (05dd5ba).
⚠️ Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3695      +/-   ##
==========================================
- Coverage   68.77%   68.74%   -0.03%     
==========================================
  Files         166      166              
  Lines       19030    19030              
  Branches     1797     1797              
==========================================
- Hits        13087    13082       -5     
- Misses       5127     5135       +8     
+ Partials      816      813       -3     

Flag	Coverage Δ
helper-rust-integration	78.82% <ø> (-0.03%)	⬇️
helper-rust-unit	49.17% <ø> (-0.27%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.
see 5 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b9a49fa...05dd5ba. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[pr-commenter]

Benchmarks [ profiler ]

Benchmark execution time: 2026-03-23 14:43:34

Comparing candidate commit 05dd5ba in PR branch bob/libdd-update with baseline commit b9a49fa in branch master.

Found 2 performance improvements and 3 performance regressions! Performance is the same for 25 metrics, 6 unstable metrics.

scenario:php-profiler-timeline-memory-control

• 🟥 cpu_user_time [+33.310ms; +42.543ms] or [+5.523%; +7.053%]
• 🟥 execution_time [+32.730ms; +40.809ms] or [+5.180%; +6.458%]

scenario:php-profiler-timeline-memory-with-profiler

• 🟥 execution_time [+41.047ms; +58.783ms] or [+4.169%; +5.970%]

scenario:walk_stack/50

• 🟩 wall_time [-866.515ns; -855.798ns] or [-5.314%; -5.248%]

scenario:walk_stack/99

• 🟩 wall_time [-810.771ns; -806.686ns] or [-4.966%; -4.941%]

[Leiyks]

lgtm