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AgentXchain v2.100.0

v2.100.0 adds semantic governance regression detection to the export diff surface.

Released: 2026-04-15

Governance Regression Detection​

agentxchain diff --export now automatically detects semantic governance regressions between two export artifacts — not just structural changes, but governance quality degradations.

Run Export Regressions​

  • Status downgrade: completed → failed/error/crashed
  • Budget overrun: warn_mode flipping from false to true
  • Budget exhaustion: exhausted flipping from false to true
  • Gate failure: a gate previously passed/approved becoming failed/blocked
  • Decision override increase: more repo decisions overridden than before

Coordinator Export Regressions​

All run-level regressions plus:

  • Child repo status downgrade: any child repo status regressing
  • Child repo export failure: export.ok flipping from true to false
  • Barrier decrease: barrier count dropping (barriers removed between runs)
  • Event loss: aggregated event count decreasing

Output​

Each regression includes an ID (e.g., REG-STATUS-001), category, severity (error or warning), message, and the specific field values that changed.

  • Text mode: Governance Regressions: section appended with severity-tagged entries
  • JSON mode: regressions array, regression_count, and has_regressions fields added to the diff output

No false positives: status improvements (failed → completed), normal budget spend increases, and decision count growth are not flagged.

Evidence​

  • 4603 tests / 982 suites / 0 failures
  • Regression detection proof: PASS (10/10 checks)
  • Docusaurus build: success