# Cal.com v3.1.9 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v3.1.9
- **Released:** Aug 11, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v3.1.9/

## Executive Summary (TL;DR)
Cal.com v3.1.9. Source highlight: fix: add extra security layers for sending messages to attendees

## New Features
- feat: element call app added
- feat: mailhog fixture

## Bug Fixes
- fix: add extra security layers for sending messages to attendees
- fix: allow new booking to overlap old one when rescheduling
- fix: multiple duration getSchedule calls [CAL-2336]
- fix: If the input type "Name" is selected, the label can't be changed from our default label "Your Name"
- fix: e2e test for rescheduling overlapping time
- fix: and enable dynamic booking test