v2.1.39 v6.3.0

high risk

vllm-project/vllm-omniAug 11, 2026 → Aug 12, 20261 day between releases

What's New

Adds Harness support and Subagent-driven development features with conflict resolution

New Features

  • Harness Support for Devin CLI, Hermes Agent, and Grok Build CLI
  • Subagent conflict resolution handles non-destructive conflicts automatically
  • Task batching reduces costs for small same-shape tasks
  • Plans carry a Spec pointer for better conflict resolution
  • Safe Git worktree removal preserves untracked files

Improvements

  • Controllers no longer stall on plan conflicts
  • Pre-dispatch conflict scan records checks in the ledger
  • Codex event-driven waits and multi-agent reference correction
  • Small same-shape tasks batch into one dispatch
  • Ceremony now scales to task size

Bug Fixes

  • Controllers no longer stall on plan conflicts
  • Implementers and reviewers may not spawn their own subagents
  • Ceremony now scales to task size
  • Codex event-driven waits

Upgrade Notes

Scripts that spawn subagents may encounter new restrictions. Plans now include a Spec pointer for conflict resolution. Ensure Harness CLI commands are updated for the new agents.

The Two Releases

v2.1.39

v2.1.39

Aug 11, 2026· 2 months ago

A maintenance release focusing on core stability, fixing form submission failures, database indexing issues, and optimizing performance for large record history tables.

Full release notes
v6.3.0

v6.3.0

Aug 12, 2026· 2 months ago

This release introduces Harness Support for various agents and significantly enhances Subagent-Driven Development with better conflict resolution, task batching, and Spec pointers. It also refines Codex operations and ensures safe Git worktree removal.

Full release notes