# Cal.com v5.9.3 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.9.3
- **Released:** Nov 21, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.9.3/

## Executive Summary (TL;DR)
Cal.com v5.9.3. Source highlight: feat: add validation for null values in bookingFieldsResponses

## New Features
- feat: add validation for null values in bookingFieldsResponses
- feat: add hashedLink to BOOKING_REQUEST/CREATED webhooks payload via RegularBookingService
- feat: Add configurable trial days to org subscriptions + wizard warning
- docs: Add Cal.com API V1 to V2 Migration Guide by @mintlify[bot] in https://github.com/calcom/cal.com/pull/25196
- feat: filter out platform organizations from admin organization list

## Improvements
- chore: improve membership check

## Bug Fixes
- fix(platform):  loading spinner showing on all plans by scoping loading state to selected plan
- fix: One flaky E2E tests
- fix: enable api v2 sms
- fix: Improve add users to org
- fix: Remove hosts - verify event type belongs to event type
- fix: meeting ended page server component dto