# Cal.com v5.8.3 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.8.3
- **Released:** Oct 23, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.8.3/

## Executive Summary (TL;DR)
Cal.com v5.8.3. Source highlight: feat: upgrade Prisma to 6.16.0 with no-rust engine

## New Features
- feat: upgrade Prisma to 6.16.0 with no-rust engine
- chore: added missing `packages/prisma/client/*`

## Bug Fixes
- test: fix few flaky e2e tests
- fix: invalidate old password reset tokens when new one is requested
- fix: CI env var blocking migrations
- fix: Don't run migrations for bundle analysis
- fix: Handle empty array in Prisma OR conditions for Prisma 6.16
- fix: impersonate correct user using email