# Cal.com v4.8.6 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v4.8.6
- **Released:** Dec 19, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v4.8.6/

## Executive Summary (TL;DR)
Cal.com v4.8.6. Source highlight: fix: Booker atom default booking fields

## New Features
- feat: Support event level conflict checking
- feat: update translations via @replexica

## Bug Fixes
- fix: Booker atom default booking fields
- fix: platform booker icons and styling
- fix: platform booker timezone select