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Changelog

v0.2.0 - 2026-06-26

Section titled “v0.2.0 - 2026-06-26”

  • Released: the loop-engineering engine, complete through Slice 7. The binary now exposes 18 commands and every capability in SPEC.md section 11 has a Shipped core. Release: https://github.com/justyn-clark/loopexec/releases/tag/v0.2.0

  • Slice 7 shipped: isolate - two-zone orchestration (detached-clone sandbox + per-run minted/revoked credential via a 0600 env-file, never on the argv + rendered/launched exec-zone network:none and agent-zone egress-allowlist). The container engine, egress proxy, and provider key API are operator-provided hooks. Every SPEC capability now has a Shipped core: eighteen Shipped, zero fully Planned.

  • Slice 6 shipped: build-context - a budgeted, workdir-confined, symlink-safe relevant-file context slice (untrusted failure text cannot read files outside the workdir). Capability matrix now seventeen Shipped, one Planned (two-zone container orchestration).

  • Slice 5 shipped: reexecute (live re-run distribution, --confirm), escalate + watch (heartbeat staleness detection + structured packet), and the comprehension ack gate (--comprehension-every). Capability matrix now sixteen Shipped, two Planned.

  • Slice 4 shipped: receipt pinning (model tuple + sampling + context manifest + cost + check fingerprint), replay (verify a receipt offline by re-running the check, agent-free), and attest (HMAC-sign + verify a receipt). Capability matrix now fourteen Shipped, two Planned.

  • Slice 3 shipped: metric-integrity gate (guards dominate success - collected-set monotonicity via run --integrity-cmd, halts metric_integrity_violation) and doctor isolation preflight (credential-mount + exec-network, fail-closed). Capability matrix now eleven Shipped, two Planned.

  • Slice 2 shipped: set-based progress + no-regression ratchet (oscillation / no-progress / regression halts) and explain-halt (raise-the-limit vs do-not-retry).

  • Rebuilt the site as the loop-engineering reference, anchored on the normative SPEC.md.

  • Added Concepts (Loop Engineering, The Four Deaths, State on Disk), Contract (Spec, Halt Reasons, loop.yml, CLI Reference), and Guides (Determinism, Reward Hacking, Isolation, Safe Overnight Loop).

  • Added the honest Capabilities matrix (Shipped / In progress / Planned) and a What It Does Not Do page.

  • Documented the canonical halt-reason -> exit-code map, including the reserved 13-19 classes.

v0.1.0 - 2026-02-22

Section titled “v0.1.0 - 2026-02-22”

Releases

Section titled “Releases”