What shipped. With the audit numbers.
New audiences, new check types, accuracy improvements, integration launches. Every entry dated. Methodology changes link to the audit data.
April 2026
- 2026-04-26
Site rebuild for SaaS founders
PlatformMarketing site repositioned end-to-end for SaaS founders and product teams. Five named checks (Landing Page, Pricing, Cold Email, Feature Copy, Onboarding). New /audiences, /trust, /agency, /api, /vs-* pages. Original enterprise positioning preserved at /enterprise.
- 2026-04-19
B2B-SaaS-mid-market cluster published
AudienceNew live cluster: 500 simulated mid-market SaaS buyers (Series B–C, 50–500 people, head-of-growth/RevOps personas). 86% accuracy against G2 Buyer Behaviour Report 2025 + ChiefMartec mid-market panel. Audited weekly, listed on /validation.
- 2026-04-15
Marketing-led SaaS cluster: accuracy +3pp
AccuracyRe-calibrated against the latest HubSpot Growth Report and OpenView PLG benchmarks. Accuracy moved from 83% to 86%. Re-runs on existing checks reflect the new calibration automatically.
- 2026-04-12
Onboarding Check shipped
CheckFifth named check now live. Paste your first three onboarding emails or describe your activation flow; 500 ICP buyers tell you where they'd drop off, where they got confused, what they were expecting. /checks/onboarding.
- 2026-04-08
Slack integration: thread-to-check
Integration@prism in any Slack thread to run a check on the linked URL. Report comes back to the same thread within 60 seconds. Workspace install via /dashboard/settings/integrations/slack.
- 2026-04-02
Multi-model ensemble: new model family added to rotation
MethodologyAn additional frontier model family was added to the per-cluster model rotation. Re-balanced weights against ground truth for B2B-SaaS-SMB and dev-tool-buyers clusters; both saw modest accuracy gains (+1.4pp, +0.9pp respectively).
March 2026
- 2026-03-28
Linear integration: PR-attached checks
IntegrationAuto-attach a Landing Page Check to every PR with a `landing-page` or `pricing` label. Comment with the report URL. Configure in your workspace at /dashboard/settings/integrations/linear.
- 2026-03-21
Custom audience builder
AudienceFounder tier and above can now build a custom audience from a one-line brief ("engineering leads at 200–500-person infra companies"). Calibrated overnight against the closest pre-built cluster as a prior. /dashboard/audiences/new.
- 2026-03-15
Indie-hacker cluster published
AudienceNew live cluster: solo and 2–3 person SaaS founders. 85% accuracy against the Indie Hackers community survey + MicroConf 2025 panel. Particularly useful for Product Hunt launch tweet and pricing-tier checks.
- 2026-03-08
Validation page: SaaS-cluster filter
PlatformValidation page now sorts SaaS clusters first when any are live, with a `type` pill on each row distinguishing SaaS from general clusters. Filter and CSV export endpoints next.