# Cal.com v5.8.4 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.8.4
- **Released:** Oct 24, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.8.4/

## Executive Summary (TL;DR)
Cal.com v5.8.4. Source highlight: chore: [Booking Flow Refactor - 5] Move post booking things to separate service `BookingEventHandlerService` starting with HashedLink usage handling

## New Features
- feat: migrate nuqs from v1.20.0 to v2.7.2
- feat: Onboarding V3

## Bug Fixes
- fix: update seed-insights.ts Prisma connection handling for v6.16