# Cal.com v5.2.16 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.2.16
- **Released:** May 13, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.2.16/

## Executive Summary (TL;DR)
Cal.com v5.2.16. Source highlight: fix: Credentials  cron for DelegationCredential not working

## New Features
- feat: Credit System (SMS)
- feat: SMS credits for free users

## Improvements
- perf: don't load ring.mp3 on booking page

## Bug Fixes
- fix: Credentials  cron for DelegationCredential not working
- fix: localStorage error in AvailableTimeSlots
- fix: Ensure Default Location is Applied When Creating New Event Type via API v2
- fix: Inconsistent Location Handling for Event Types API - Map office365-video to msteams in Validation Handling
- fix: corrected path for cron in documentation
- fix: use actual event duration mins for templated event names