# Cal.com v5.6.1 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.6.1
- **Released:** Aug 19, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.6.1/

## Executive Summary (TL;DR)
Cal.com v5.6.1. Source highlight: fix: multiple booking duration isn't working

## Improvements
- perf: use promise.all in /apps/installed

## Bug Fixes
- fix: multiple booking duration isn't working
- fix: Add cal.eu to `IS_CALCOM`
- fix: show temporarily out-of-office message on all screen sizes
- fix: Consistently remove a member from organization/sub-team/team - through all the APIs and webapp actions
- fix: redirect to existing payment session on paid booking retry
- fix: api v2 workflow controller trigger validation