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Ruflo v3.32.26 — Safer Self-Improvement

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@ruvnet ruvnet released this 28 Jul 19:26
v3.32.26
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Learn about vigilant mode.

Ruflo v3.32.26 — Safer Self-Improvement

Ruflo can now test improvements to its retrieval behavior without changing the configuration you are currently using.

This release introduces a controlled flywheel:

evaluate → review → promote

Ruflo evaluates candidate settings, records the results in a verifiable receipt, and waits for you to approve an accepted candidate. Nothing is promoted automatically.

Why this matters

Self-improvement should not mean handing control to an optimizer.

With v3.32.26, you can:

  • test retrieval-policy improvements against held-out tasks;
  • compare quality, latency, token use, failures, and cost limits;
  • inspect the evidence before making a change;
  • activate an accepted candidate with an explicit command;
  • audit what changed through receipts and promotion history.

Darwin can explore and propose candidates, but Ruflo remains responsible for deciding whether a candidate is safe to promote.

Install or upgrade

npm install --global ruflo@3.32.26
ruflo --version

You can also try this release without a global installation:

npx ruflo@3.32.26 metaharness flywheel status --project-root .

Try the flywheel

Check the current state:

ruflo metaharness flywheel status --project-root .

Run a local evaluation:

ruflo metaharness flywheel run \
  --project-root . \
  --proposer local \
  --sample 40 \
  --private-key /path/to/flywheel-private.pem \
  --public-key /path/to/flywheel-public.pem

Review the results:

ruflo metaharness flywheel receipts --project-root .
ruflo metaharness flywheel history --project-root .

Promote an accepted result:

ruflo metaharness flywheel promote <receipt-id> \
  --project-root . \
  --public-key /path/to/flywheel-public.pem \
  --confirm

The end-user quick start includes signing-key setup and a complete walkthrough.

Also new

  • First-class metaharness flywheel commands in the CLI and MCP.
  • Darwin candidate evolution through metaharness evolve.
  • Stable benchmark creation and verification through metaharness bench.
  • Signed receipts that detect altered evaluation evidence.
  • Atomic, one-time promotion with consistent crash recovery.
  • Safe local operation when the optional Darwin or Flywheel packages are not installed.

Safe by default

  • Evaluation never changes the active policy.
  • Promotion requires an accepted receipt and explicit --confirm.
  • Stale, changed, untrusted, or already-used receipts are rejected.
  • Candidate resource limits are enforced before candidates are considered.
  • Darwin failures do not silently become Darwin-authorized promotions.
  • Automatic unattended promotion is not enabled in this release.

v3.32.26 currently applies the new loop to bounded retrieval-policy tuning. Tool-policy evolution, model-policy evolution, and unattended autopilot remain disabled until their separate security and spending controls are ready.

Compatibility

This is a backward-compatible patch release. Existing Ruflo workflows continue to work, and the new flywheel remains opt-in.

Published packages:

ruflo@3.32.26
claude-flow@3.32.26
@claude-flow/cli@3.32.26

Validation

The release passed the focused flywheel suite, signed-receipt and tamper checks, stale-state and crash-recovery tests, resource-limit tests, and a 100-way concurrent promotion test that produced exactly one successful promotion.

Learn more

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