Impact Score: 5/10
Cal.com v3.9.9 — 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.
⚡ Executive Summary (TL;DR)
Cal.com v3.9.9. Source highlight: fix: State Inconsistency issue on webhook edit modal
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 (5)
- feat: Delete/Create WebhookScheduledTriggers for existing bookings
- feat: travel schedules to schedule timezone changes
- feat: add classNames prop to `Booker` atom for passing external styles
- chore: adds maintenance mode for API v1
- feat: return `isPlatform` boolean to detect if user is a platform user
🔧 Bug Fixes & Patches (6)
- fix: State Inconsistency issue on webhook edit modal
- fix: atoms package types were not exported
- fix: Remove hardcoded stripe..
- fix: [CAL-3374] Says Number is not Verified, but it is Verified
- fix: v2 create schedule with availabilities
- fix: Cal Video Links Expire After 14 Days
📄 View Raw Release Notes (Original Developer Log)
## What's Changed
* fix: State Inconsistency issue on webhook edit modal by @Amit91848 in https://github.com/calcom/cal.com/pull/14544
* chore: Publish new versions of embeds by @hariombalhara in https://github.com/calcom/cal.com/pull/14543
* fix: atoms package types were not exported by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/14546
* fix: Remove hardcoded stripe.. by @emrysal in https://github.com/calcom/cal.com/pull/14549
* chore: Bump SDK version 1.0.1 by @exception in https://github.com/calcom/cal.com/pull/14524
* fix: [CAL-3374] Says Number is not Verified, but it is Verified by @Chiranjeev-droid in https://github.com/calcom/cal.com/pull/14531
* fix: v2 create schedule with availabilities by @supalarry in https://github.com/calcom/cal.com/pull/14551
* feat: Delete/Create WebhookScheduledTriggers for existing bookings by @Amit91848 in https://github.com/calcom/cal.com/pull/14121
* feat: travel schedules to schedule timezone changes by @CarinaWolli in https://github.com/calcom/cal.com/pull/14512
* chore: enable platform emails by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/14471
* fix: Cal Video Links Expire After 14 Days by @joeauyeung in https://github.com/calcom/cal.com/pull/14557
* fix: update playwright config to allow permissions by @sean-brydon in https://github.com/calcom/cal.com/pull/14526
* feat: add classNames prop to `Booker` atom for passing external styles by @Ryukemeister in https://github.com/calcom/cal.com/pull/14270
* fix: remove prefix /api from apiv2 by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/14559
* chore: adds maintenance mode for API v1 by @zomars in https://github.com/calcom/cal.com/pull/14555
* revert: "fix: view team bookings (#14079)" by @keithwillcode in https://github.com/calcom/cal.com/pull/14561
* chore: fix class type and bump atoms version by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/14562
* refactor: v2 event types endpoint paths by @supalarry in https://github.com/calcom/cal.com/pull/14545
* feat: return `isPlatform` boolean to detect if user is a platform user by @Ryukemeister in https://github.com/calcom/cal.com/pull/14570
* fix: Integrate maintenance mode with current middleware by @keithwillcode in https://github.com/calcom/cal.com/pull/14571
**Full Changelog**: https://github.com/calcom/cal.com/compare/v3.9.8...v3.9.9