What we shipped.

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1. 2026-04-15v5.0feature

   Sub-10-second checks on Scale tier

   Scale customers can now run synthetic checks at any frequency from 30s down to 7s, in any combination across our 14 edges. Probe coalescing kicks in below 10s to keep webhook + Datadog payloads sane.

2. 2026-04-08v4.9improvement

   Quickstart now hands off to Terraform

   After a successful first monitor in the dashboard, the Quickstart now offers a one-click "Generate Terraform" path that produces a working module against your existing workspace. Pairs with the Terraform 2.0 provider release.

3. 2026-04-01v4.8feature

   Webhook payload schema v1.2

   Adds slo.burn_rate_breach event type and exposes affected SLO + burn rate in the payload. Backwards-compatible with v1.1 — no breaking changes.

4. 2026-03-25v4.7feature

   Per-customer status pages

   You can now scope a status page to a single customer using a tag selector. Lets B2B teams give their customers a private status experience without forking the page.

5. 2026-03-12v4.6improvement

   CLI interactive mode

   Run "devflow" with no arguments to enter an interactive shell. Tab-completes monitor and channel names against your workspace.

6. 2026-02-26v4.5improvement

   Audit log retention now 365 days on all paid tiers

   Previously the audit log retention varied by tier. Pro and Scale now match Enterprise at 365 days. Free remains 30 days.

7. 2026-02-12v4.4feature

   Linear integration GA

   Auto-create Linear issues from incidents, with bidirectional status sync.

8. 2026-01-28v4.3fix

   Fix: gRPC reflection sometimes timed out at high frequency

   A bug introduced in 4.0 caused intermittent reflection-loading failures on gRPC monitors running at sub-30s. Fixed; cache lifetime adjusted to 600s.

9. 2026-01-15v4.2feature

   IP allow-list for service-account keys

   Restrict an API key to a list of CIDRs. Returns 401 from outside the allow-list with the request id.

10. 2026-01-08v4.1security

    Workspace KMS key rotation in self-serve

    Workspace owners can now trigger KMS key rotation from Settings → Security. Previously required a support ticket.

11. 2025-12-18v4.0feature

    SLO multi-window alerting (general availability)

    The Google CRE-style multi-window burn-rate alerting moves from beta to GA. Alert calculator is now in the dashboard.

12. 2025-12-04v3.9improvement

    Faster bulk monitor import

    POST /v1/monitors:bulk now accepts up to 500 monitors per call (was 100). Useful for new-customer migrations.

13. 2025-11-22v3.8feature

    Microsoft Teams integration GA

    Adaptive Cards with Acknowledge action shipped. Slash-command parity available via the Teams marketplace app.

14. 2025-11-05v3.7improvement

    Status page custom domain TLS auto-renew

    Custom domains now automatically renew their certificate via ACME. No more "your cert is expiring" emails.

15. 2025-10-19v3.6fix

    Fix: Slack ack from a private channel

    Acknowledging an incident from a private channel where DevFlow was a member silently failed. Fixed.

16. 2025-10-02v3.5feature

    Datadog event emission

    Every check failure and every incident lifecycle event now optionally streams to Datadog as an event.

17. 2025-09-15v3.4feature

    Lisbon engineering pod

    Not a product change — an org change. We opened our Lisbon office in Q3 2024 and have grown to ten engineers there. Average API latency from EU customers improved by 14%.

18. 2025-08-28v3.3improvement

    Probe network: replaced Tokyo edge

    We swapped our ap-northeast-1 edge to a different DC after a vendor outage. No customer action required; check IDs unchanged.

19. 2025-08-10v3.2feature

    mTLS support

    Mutual TLS for HTTP and gRPC monitors with client cert pinning. See the mTLS doc.

20. 2025-07-22v3.1security

    Coordinated disclosure of CVE-2025-32811 — fixed

    A researcher reported a webhook-spoofing path that didn't verify HMAC timestamps strictly. Fixed in 3.1; we issued a CVE and notified affected customers within 24 hours. Postmortem on /blog.

21. 2025-06-30v3.0feature

    New SLO product line

    Error budget, burn rate, multi-window alerting (beta). Replaces the previous "uptime %" feature.

22. 2025-05-08v2.9improvement

    Series A close

    We closed our Series A ($14.4M, Battery Ventures led). Roadmap permitting, pricing remains as-is for the next 12 months.