# Cal.com v1.4 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v1.4
- **Released:** Mar 15, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v1.4/

## Executive Summary (TL;DR)
Cal.com v1.4. Source highlight: fix: prisma schema directory in heroku config

## New Features
- Adds testing mail credentials
- Feature: Instant Theme Change, without refresh [Booking Pages Only]
- added swedish
- Add 500 error page
- Add Web Share in mobile
- Adds discord webhook support

## Improvements
- Prisma cache improvements
- [Perf Improvement] Event Booking Date Picker
- [Perf Improvement] Booking Page score should be in green now
- Improved discord webhook payload

## Bug Fixes
- fix: prisma schema directory in heroku config
- Fix prisma commands in README file
- Test possible fix for Vercel builds
- Replace whatsmybrowser.org with Bird Eats Bug
- fixed input margin for profile settings on mobile
- Turbo fixes. Run apps (web/docs) scoped instead of concurrently