# Cal.com v5.1.3 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.1.3
- **Released:** Mar 20, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.1.3/

## Executive Summary (TL;DR)
Cal.com v5.1.3. Source highlight: perf: do not import from @calcom/ui barrel file

## New Features
- chore: added padding bottom to main
- feat: allow timezones selection in `Booker` atom via prop
- feat: improve trpc exception handling for api v2

## Improvements
- perf: do not import from @calcom/ui barrel file
- perf: Remove `packages/ui/index.ts` barrel file

## Bug Fixes
- fix: case insensitive search on organization member list
- fix: add response id to webhook payload
- fix: Slugify the team slug - as uppercase teams could be 404 pages
- fix: e2e flake
- fix: Errors seen in some cases when organization is created through w…
- fix: repeatedly occurring flaky tests