Impact Score: 5/10
Cal.com v1.9.0 — 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.
⚡ Executive Summary (TL;DR)
Cal.com v1.9.0. Source highlight: Fixes security issue when updating workflows
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 (4)
- Adds attendee to CalDAV ics
- Feature: Routing Forms Typeform App and other improvements
- added lark screenshots and youtube video
- Feat: make locations dropdown searchable
⚡ Performance & Enhancements (1)
- Imports performance explicitly for Node v14
🔧 Bug Fixes & Patches (6)
- Fixes security issue when updating workflows
- fix: error message for riverside and whereby added
- Hotfix: Signup fix error not shown
- Fixes issues with video location links from apps
- Fix early return when expanding RRULE in CalDav/iCal
- fixed back button on desktop
📄 View Raw Release Notes (Original Developer Log)
## What's Changed
* Fixes security issue when updating workflows by @CarinaWolli in https://github.com/calcom/cal.com/pull/3661
* fix: error message for riverside and whereby added by @Udit-takkar in https://github.com/calcom/cal.com/pull/3751
* refactor: use BookingReference instead of DailyEventReference by @shapel in https://github.com/calcom/cal.com/pull/3667
* Allows tree shaking unused modules by @zomars in https://github.com/calcom/cal.com/pull/3752
* Adds attendee to CalDAV ics by @alishaz-polymath in https://github.com/calcom/cal.com/pull/3808
* Upgrade turborepo v4 by @zomars in https://github.com/calcom/cal.com/pull/3804
* Hotfix: Signup fix error not shown by @leog in https://github.com/calcom/cal.com/pull/3815
* migrate api/availability/[user] to viewer.availability.user in trpc by @hussamkhatib in https://github.com/calcom/cal.com/pull/3591
* Imports performance explicitly for Node v14 by @emrysal in https://github.com/calcom/cal.com/pull/3823
* Dynamic Links re-integrate with availability logic by @alishaz-polymath in https://github.com/calcom/cal.com/pull/3687
* Fixes issues with video location links from apps by @CarinaWolli in https://github.com/calcom/cal.com/pull/3760
* Fix early return when expanding RRULE in CalDav/iCal by @willgittoes in https://github.com/calcom/cal.com/pull/3665
* Feature: Routing Forms Typeform App and other improvements by @hariombalhara in https://github.com/calcom/cal.com/pull/3625
* fixed back button on desktop by @PeerRich in https://github.com/calcom/cal.com/pull/3838
* added lark screenshots and youtube video by @PeerRich in https://github.com/calcom/cal.com/pull/3839
* Allow scrolling when the dialog exceeds screen height by @emrysal in https://github.com/calcom/cal.com/pull/3850
* Bugfix/both add and copy add new timeslot by @emrysal in https://github.com/calcom/cal.com/pull/3843
* Feat: make locations dropdown searchable by @JatinRanka in https://github.com/calcom/cal.com/pull/3858
* fix: css for location by @Udit-takkar in https://github.com/calcom/cal.com/pull/3744
* Bugfix/i3531 round robin assigns to unavailable members by @emrysal in https://github.com/calcom/cal.com/pull/3813
* Zapier Trigger: After Meeting ends by @CarinaWolli in https://github.com/calcom/cal.com/pull/3827
## New Contributors
* @willgittoes made their first contribution in https://github.com/calcom/cal.com/pull/3665
**Full Changelog**: https://github.com/calcom/cal.com/compare/v1.8.5...v1.9.0