message: meta: v5.6.3 changelog
diff: # Changelog
  -## Unreleased
  +## 5.6.3
  - [browser] fix: Don't capture our own XHR events that somehow bubbled-up to global handler (#2221)
  -- [core] ref: Deprecate top-level stacktrace event attribute (#2214)
  +- [core] ref: Soft-deprecate top-level stacktrace event attribute (#2214)
  ## 5.6.2
  