# Cal.com v5.3.3 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.3.3
- **Released:** May 22, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.3.3/

## Executive Summary (TL;DR)
Cal.com v5.3.3. Source highlight: perf: cache TRPC queries in /event-types RSC

## New Features
- feat: pbac
- feat: add segments prop to DataTableProvider
- test: add e2e tests for filters on /insights/routing
- perf: use app dir to fetch team feature flags in settings
- feat(bookings): implement Booking UID filter for bookings data table.
- feat: internationalize user table column headers

## Improvements
- perf: cache TRPC queries in /event-types RSC
- perf: follow up of server query caching in /event-types
- perf: optimize O(n²) algorithms in slot generation
- perf: cache TRPC queries in /event-types/[eventTypeId] RSC
- perf: cache TRPC queries in /availability RSC
- perf: remove unused tRPC routes to reduce type generation load

## Bug Fixes
- fix: Handle invalid non-delegation credential in cron
- fix: apply transaction to public methods of CreditService
- fix: add migration to backfill BookingDenormalized
- fix: WhatsApp workflows are not working
- fix: don’t let the booking page crash on invalid metadata
- fix: don't schedule past workflow reminders with tasker