This release adds an enhanced WordPress integration, which can be enabled through datadog.trace.wordpress_enhanced_integration=1 in INI. Even more extensive span collection can be enabled through datadog.trace.wordpress_callbacks=1.

### Added
- Add automated login events to Wordpress #2162
- Enhance the WordPress Integration #2126
- Implement agent sampling #2223
- Add Laravel 9.X & 10.X tests #2237
- Add http.route to laravel #2204 #2241

### Fixed
- (Legacy OpenTracing API) Check if the active span has a parent #2177
- Handle killed workers and change root span initialization in the integrations #2176
- fix: add Symfony command's exception to the root span #2194
- Fix #2174: Can't pass less args to an untyped function than originally passed #2227, #2243
- Fix #2232: Add Cargo.lock to pecl #2233
- fix: wrong service name on some laravel.event.handle spans #2235
- fix: PHP7 compatibility in logs correlation #2236
- Store library_dependencies in memfd, referenced via /proc/self/fd/X DataDog/libdatadog#221
- fix `datadog-setup.php` when INI file is a symlink #2242
- update webpki and other dependencies #2247

### Internal Changes
- Add log levels #2158
- Add `zai_option_str` and use it in config #2205, #2213
- Refactor zai_string_view APIs and use them more #2203
- Rename zai_string_view to zai_str #2206, #2207, #2212
- Require zai_str.ptr to not be null #2214
- Add zai_string and use it in zai_config #2217
- Fix tests: allocate less TLS space by putting uhook HashTables into module globals #2219
- Add sidecar metrics into their own namespace, fix seq id Datadog/libdatadog#220

## Profiling

This release reduces CPU overhead to collect stacks, and also reduces overhead when services are idle or partially idle. It also reduces the average amount of memory used.

### Added
- attach fiber's function name as a label #2169

### Fixed
- enable allocation profiling only if profiling is enabled #2185
- enable timeline only if profiling is enabled and lower overhead when disabled #2189
- fix empty profiles with timeline due to `end_timestamp_ns` unit being set #2244

### Internal changes
- perf: speed up stack walking by using function run_time_cache #1998, #2182
- perf: only wake every 10ms if PHP is serving a request #2168
- refactor: extract ZaiStringView::to_string #2175
- build: update Cargo.lock #2183
- refactor: simplify string tables #2186
- perf: use u32 instead of usize for string table indices #2187
- test: add Datadog\Profiling\trigger_time_sample #2201
- build: Update to Rust 1.71 / LLVM 16 #2208
- Bump libdatadog to v3.0.0 #2210
- fix(profiling): clippy lints #2215
- style(profiler): use let-else syntax #2216
- build(profiling): bump dependencies including libdatadog v4.0.0 #2228

## Application Security Management (0.13.1)

### Added
- Add trusted IPs capability DataDog/dd-appsec-php#279
- Add extra_services configuration DataDog/dd-appsec-php#282

### Fixed
- Ensure ddtrace is also enabled DataDog/dd-appsec-php#281
- Fix service name alias configuration DataDog/dd-appsec-php#293

### Internal changes
- Add automated login events integration test for Laravel and Symfony DataDog/dd-appsec-php#270
- Upload suppressions and fix current ones DataDog/dd-appsec-php#280
- WAF upgrade to 1.13.1 Datadog/dd-appsec-php#292
- Send events even when limiter does not force manual keep Datadog/dd-appsec-php#290
- Update ruleset to 1.7.2 Datadog/dd-appsec-php#291