# Cal.com v3.9.9 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v3.9.9
- **Released:** Apr 13, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v3.9.9/

## Executive Summary (TL;DR)
Cal.com v3.9.9. Source highlight: fix: State Inconsistency issue on webhook edit modal

## New Features
- feat: Delete/Create WebhookScheduledTriggers for existing bookings
- feat: travel schedules to schedule timezone changes
- feat: add classNames prop to `Booker` atom for passing external styles
- chore: adds maintenance mode for API v1
- feat: return `isPlatform` boolean to detect if user is a platform user

## Bug Fixes
- fix: State Inconsistency issue on webhook edit modal
- fix: atoms package types were not exported
- fix: Remove hardcoded stripe..
- fix: [CAL-3374] Says Number is not Verified, but it is Verified
- fix: v2 create schedule with availabilities
- fix: Cal Video Links Expire After 14 Days