# Cal.com v5.5.8 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v5.5.8
- **Released:** Jul 29, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v5.5.8/

## Executive Summary (TL;DR)
Cal.com v5.5.8. Source highlight: fix: remove fallback permssions on organization Id.

## New Features
- feat: add cancelledBy and rescheduledBy parameters to workflow links
- feat: Ability to set a locked timezone for event type

## Bug Fixes
- fix: remove fallback permssions on organization Id.
- docs: fix broken deployment by @mintlify[bot] in https://github.com/calcom/cal.com/pull/22774
- fix: CSV generation from insights returns empty results
- fix: changesets atoms release env variables
- fix: locationToDisplay?.startsWith is not a function
- fix: show seated attendees to host even when seatsShowAttendees is disabled