# Cal.com v3.4.4 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v3.4.4
- **Released:** Oct 25, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v3.4.4/

## Executive Summary (TL;DR)
Cal.com v3.4.4. Source highlight: chore: [app dir bootstrapping 4] check nullability of navigation hook return values

## New Features
- feat: km-localization-cambodia 🇰🇭
- feat: remove location modal in event setup
- feat: add oldBookingId to reschedule bookings payload

## Improvements
- chore: improve cal.ai not-installed message
- perf: database index on booking_status_starttime_endtime

## Bug Fixes
- fix: Date add 1 day adds 24 hours, not 1 day
- fix: allow dots in username
- fix: Allow passing secret for the webhooks via API
- fix: Event Type header layout issues (fix-headerLayout)
- fix: env.example requesting 24 bytes instead of 32 bytes encryption key
- fix: booking day wrong in booking list