# Cal.com v5.3.4 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.3.4
- **Released:** May 22, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.3.4/

## Executive Summary (TL;DR)
Cal.com v5.3.4. Source highlight: feat: Send emails to potentially affected Organization Members on disabling delegation credential

## New Features
- feat: Send emails to potentially affected Organization Members on disabling delegation credential
- feat: Dub App integration
- feat: allow custom SMS templates for free users
- feat: Round robin, when attendee books same timeslot return original booking

## Bug Fixes
- fix: Improve the communication via Delegation Credential disabled email
- fix: Delegation Credentials - Use Cal Video if set as the default conferencing app
- fix: delete button is not visible on small screen
- fix: use local date range on /insights (based on profile's timezone)
- fix: RR hosts are not being added when fixed hosts are also present
- fix: increase timeout to 800 seconds for workflow reminders