# Cal.com v5.5.0 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.5.0
- **Released:** Jul 15, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.5.0/

## Executive Summary (TL;DR)
Cal.com v5.5.0. Source highlight: test: Add e2e for prerendering headless router with attribute routing

## New Features
- test: Add e2e for prerendering headless router with attribute routing
- feat: convert InsightsBookingService to use Prisma.sql raw queries

## Bug Fixes
- fix: resolve unique constraint violations in listWithTeam integration test