Changelog

What we ship, weekly.

Every release. Every fix. Every small improvement that compounds. Subscribe via RSS or follow the blog for deep dives.

Recent releases

The latest from engineering.

  1. April 22, 2026v2026.4.2

    CodeCourier, in public beta.

    • Public beta opens - anyone can sign up and connect a repo.
    • New Solo tier with a free 25 agent-hours per month.
    • Three production-ready personas: Bug-Hunter, Refactor, Ship-It.
    • Polished onboarding: connect repo → first PR in under an hour.
    Read the announcement
  2. April 15, 2026v2026.4.1

    AI engineers in sandboxes: under the hood.

    • Isolated Linux microVMs per agent task - no cross-contamination.
    • Snapshot/restore for fork-and-continue agent debugging.
    • Tighter network egress policy enforced at the sandbox boundary.
    Read the technical deep dive
  3. March 31, 2026v2026.Q1

    Q1 2026 product update.

    • Issue Sessions GA - multi-step agent workflows for triage.
    • GitHub Checks integration for inline review feedback.
    • Per-persona context engineering and learning loops.
    • First customer case study published (Halcyon).
    Read the Q1 recap
  4. March 10, 2026v2026.3.1

    Faster context resolution.

    • Repository indexing rebuilt - 4× faster cold start on large monorepos.
    • Smarter file-graph pruning reduces token spend per task by ~30%.
    • New /docs section: best practices for persona configuration.
  5. February 18, 2026v2026.2.1

    Reviewer ergonomics.

    • PR descriptions now include a structured rationale + test plan.
    • Inline diff comments on risk hotspots flagged by the agent.
    • Slack notifications for run completion and reviewer requests.
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