Improvements

Changes

• [AppSec] Introduced built-in security rule for Log4j vulnerability #3277
• [Profiling] Default to cpu mode for async-profiler #3271
• [Profiling] Bump the async-profiler version #3249
• [Integrations] Propagate trace context for Mongo Reactive Streams #3235

Fixes

• [Community] log4j1/LoggingEventInstrumentation: Inject correct value for dd.span_id #3279 (Thanks @krosen040 for the contribution!)
• Upgrade JMXFetch to 0.44.5 even though we exclude log4j #3276
• [CIAPP] Exclude instrumentation for JUnit5 ClosedLauncher implementation #3274

Performance

• Save space by only storing the start-time in DDSpan once and converting it as appropriate #3254