Cal.com v3.9.0 — Release Notes & Engineering Impact

Source available — automated, not human-reviewed

Component: calcom · Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified — check source notes

📄 .MD

✨ Features 1 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Cal.com v3.9.0. Source highlight: fix: hide hidden fields on booking page

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Who Does This Impact? (Role-Based Analysis)

💻 Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

📊 Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

⚙️ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

✨ New Features & Capabilities (1)

feat: lock event types for org users

🔧 Bug Fixes & Patches (6)

fix: hide hidden fields on booking page
fix: Remove the right date override on removal
fix: Do not refund payments when cancelling bookings
fix: Get `dsyncData` based on database
fix: A bug fix
fix: Exclude current rescheduled booking from limit

📄 View Raw Release Notes (Original Developer Log)

## What's Changed * fix: hide hidden fields on booking page by @Udit-takkar in https://github.com/calcom/cal.com/pull/13843 * chore: update to see webhook creation error handling to see error in prod by @sean-brydon in https://github.com/calcom/cal.com/pull/14071 * chore: run migrations conditionally by @zomars in https://github.com/calcom/cal.com/pull/13925 * fix: Remove the right date override on removal by @emrysal in https://github.com/calcom/cal.com/pull/13988 * fix: Do not refund payments when cancelling bookings by @joeauyeung in https://github.com/calcom/cal.com/pull/13924 * refactor: removes deprecated customPrisma for API by @zomars in https://github.com/calcom/cal.com/pull/14069 * fix: Get `dsyncData` based on database by @joeauyeung in https://github.com/calcom/cal.com/pull/14067 * feat: lock event types for org users by @sean-brydon in https://github.com/calcom/cal.com/pull/14000 * fix: A bug fix by @Gabbar-v7 in https://github.com/calcom/cal.com/pull/14081 * fix: Exclude current rescheduled booking from limit by @Amit91848 in https://github.com/calcom/cal.com/pull/13870 * fix: don't show 'send event details to' for team events by @CarinaWolli in https://github.com/calcom/cal.com/pull/14093 * fix: Avoid CSP related warnings in console on booking pages. by @hariombalhara in https://github.com/calcom/cal.com/pull/14072 * refactor: Moving credential syncing to API by @joeauyeung in https://github.com/calcom/cal.com/pull/13963 ## New Contributors * @Gabbar-v7 made their first contribution in https://github.com/calcom/cal.com/pull/14081 **Full Changelog**: https://github.com/calcom/cal.com/compare/v3.8.9...v3.9.0

← Older Version Cal.com v3.8.9 Newer Version → Cal.com v3.9.1