0.97.0

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Added

• Add span links capabilities to the OTel API #2451
• Add exec integration #2361, #2455, #2459

Changed

• Implement http.route for Yii #2430
• Implement http.route for Slim #2402

Fixed

• Remove Symfony controller hook after execution #2436
• Move the dummy function of call_attribute_constructor onto the VM stack #2446
• Avoid resolving unresolved functions and classes #2450
• Fix removal of the directly accessed hook after binding in DDTrace\remove_hook #2449
• Handle async requests using Guzzle #2460
• Fix removing an end observer with other observers active #2469
• Fix fibers on PHP 8.1.2 #2473

Internal Changes

• Add MicroBenchmarks #2435, #2456, #2458
• Add Symfony 7.0 test suite #2437
• Track DD_TRACE_DEBUG=1 errors in integration and web tests #2472
• Reduce noise in composer package download #2401

Profiling

Added

• prevent emitting empty profiles #2397

Fixed

• potential allocation profiling crashes with certain opcodes #2352

Internal Changes

• test with address sanitizer on bookworm with GH actions #2432
• make the profiler compile in ZTS PHP #2463
• extract wall_time.rs file #2467

Application Security Management

Internal changes

• Change schema extraction zip compression to PHP_ZLIB_ENCODING_GZIP #2447