Notable changes to the FlowKoi product and API. The public REST API follows semver — breaking changes go to /api/v2/; non-breaking additions are listed here too.
2026-06-12 — Live file editing & skill cascades
Files
- New per-instance Pull latest files button to refresh a running instance’s files on demand.
- File edits now push to running containers on save, and deletions propagate live — changes show up in the running instance immediately.
Skills
- Skill providers gain an Update all workflows cascade action, reporting how many workflows it touched.
- Skill update failures now surface an error instead of silently doing nothing.
2026-06-11 — Project-wide instances & file management
- The Instances tab now shows runs from every project member, not just your own.
- Drag and drop files between folders, and rename files and folders, in the workflow Files tab.
2026-06-09 — Scheduling
- The Scheduled badge tooltip now shows the next run in both UTC and your local time.
2026-06-05 — Visibility improvements
- Workflow cards show a Scheduled badge with a next-run hint.
- Hover hints on instance status badges explain each state.
- Project Settings: the Integrations tab is now Git.
- Project-wide sync logs are visible to all project members.
2026-06-04 — Team projects & Opus 4.8
- New Members tab in Project Settings for managing who can access a project.
- Claude Opus 4.8 is selectable as a workflow model.
2026-06-01 — Sandcastle launch (v1)
Public REST + streaming surface ships.
API
POST /api/v1/flows/{flowId}/runs— trigger a run with prompt + idempotency.GET /api/v1/flows,GET /api/v1/runs/{runId},GET /api/v1/runs/{runId}/logs,GET /api/v1/runs/{runId}/files,GET /api/v1/runs/{runId}/files/{path}.GET /api/v1/runs/{runId}/stream— SSE stream.POST /api/v1/runs/{runId}/messages— follow-up message into a running PTY.POST /api/v1/runs/{runId}/files— file injection (persisted + live-delivered).POST /api/v1/runs/{runId}/stop,DELETE /api/v1/runs/{runId}.
Quotas & limits
- Per-key token bucket, default 60 req/min.
- Per-project concurrent-runs cap, default 10.
- Optional per-project monthly run quota.
- Per-key daily usage aggregates in the API tab.
Webhooks
runFinishedevent, HMAC-signed viaX-FlowKoi-Signature, retried 3× with 2s/10s/30s backoff.- Per-project
webhookSecret, lazy-created.
SDK
@flowkoi/sdk@0.1.0published to npm.
Dashboard
- Environment Variables moved to a dedicated Project Settings tab.
2026-05-31 — Git sync & secrets
- Replaced the
.flowfilesallowlist with a.flowignoredenylist plus a debounced full-sweep — everything in your workdir syncs unless explicitly ignored. - Manual full-sync buttons in flow and project settings.
- Environment variable values are masked, with a base64 helper.
2026-05-26 — Flow Items & skill providers
- New Flow Items catalog to install, update, and remove items per workflow, with one-click bundle installs for multiple items at once.
- Link external
.claudeskill packs to projects as skill providers.