# Cal.com v5.7.1 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.7.1
- **Released:** Sep 18, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.7.1/

## Executive Summary (TL;DR)
Cal.com v5.7.1. Source highlight: fix: eslint no-restricted-imports app-store rule

## New Features
- chore: add build platform libs in api v2 github actions
- revert: "feat: implement generalized navigation permission system with PBAC"
- feat: Custom Fields OR Add-Ons with a fee associated
- feat: add client-side auth protection to routing forms pages
- feat: v2 show hidden attendees for authenticated requests
- feat: voice and language support in cal.ai

## Bug Fixes
- fix: eslint no-restricted-imports app-store rule
- fix: change no-restricted-imports to @typescript-eslint/no-restricted-imports for allowTypeImports support
- fix: phone number cancel billing
- fix: unable to add users from the admin page
- fix: unable to add or edit user from admin page and add tests
- fix: Teams list not getting refreshed after adding a new team