# Cal.com v5.4.2 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.4.2
- **Released:** Jun 17, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.4.2/

## Executive Summary (TL;DR)
Cal.com v5.4.2. Source highlight: fix: Add Guests dialog for Bookings

## New Features
- feat: Headless router - queue recording booking response
- chore: Add logging to check max active bookings for booker

## Bug Fixes
- fix: Add Guests dialog for Bookings
- fix: Dry run in prerender flow