# Cal.com v5.5.10 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.5.10
- **Released:** Aug 01, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.5.10/

## Executive Summary (TL;DR)
Cal.com v5.5.10. Source highlight: fix: add new end of month UI to mobile

## New Features
- feat: add optional startTime prop to BookerPlatformWrapper by @devin-ai-integration[bot] in https://github.com/calcom/cal.com/pull/22731
- test: add comprehensive unit tests for handleInstantMeeting
- chore: Add node_modules/dist to ignore + convert config to .ts

## Bug Fixes
- fix: add new end of month UI to mobile
- fix: return rescheduledByEmail in V2 bookings
- fix: increment iCalSequence when changing booking location
- fix: Cal Video sidebar not showing meeting time in timezone