# Cal.com v5.6.3 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.6.3
- **Released:** Aug 20, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.6.3/

## Executive Summary (TL;DR)
Cal.com v5.6.3. Source highlight: chore: version packages by @github-actions[bot] in https://github.com/calcom/cal.com/pull/23188

## New Features
- chore: log whether organization rewrites are added or not

## Improvements
- perf: Only apply autoprefixer in production
- perf: Only run Sentry in production
- refactor: remove highperf endpoints

## Bug Fixes
- fix: Add missing CSS variable for switch component accent color
- fix: duplicate event created on attendee calendar due to wrong icalUid
- fix: addOnLeading text field caret cropping