• [hub] feat: Update span implementation (#2161)
• [apm] feat: Add @sentry/apm package
• [integrations] feat: Change Tracing integration (#2161)
• [utils] feat: Introduce instrument util to allow for custom handlers
• [utils] Optimize supportsNativeFetch with a fast path that avoids DOM I/O (#2326)
• [utils] feat: Add isInstanceOf util for safety reasons