Impact Score: 5/10
Cal.com v4.5.9 — 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 v4.5.9. Source highlight: chore: improve instrumentation deps
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 (3)
- feat: Multiple Private links per Event Type
- feat: update translations
- feat: add Mintlify docs
⚡ Performance & Enhancements (1)
- chore: improve instrumentation deps
🔧 Bug Fixes & Patches (5)
- fix: Better defaulting to NEXT_PUBLIC_LOGGER_LEVEL=4
- fix: fix ui overflow on phone for calendar settings
- fix: translations for sidebar
- fix: i18n for app router
- fix: Tooltip must be used within TooltipProvider
📄 View Raw Release Notes (Original Developer Log)
## What's Changed
* chore: improve instrumentation deps by @emrysal in https://github.com/calcom/cal.com/pull/16899
* fix: Better defaulting to NEXT_PUBLIC_LOGGER_LEVEL=4 by @emrysal in https://github.com/calcom/cal.com/pull/16900
* docs: v2 refresh tokens and slots endpoints swagger by @supalarry in https://github.com/calcom/cal.com/pull/16788
* fix: fix ui overflow on phone for calendar settings by @mhetreayush in https://github.com/calcom/cal.com/pull/16661
* refactor: handleNewBooking #4 by @Udit-takkar in https://github.com/calcom/cal.com/pull/15673
* chore: refactor shell to individual files by @sean-brydon in https://github.com/calcom/cal.com/pull/16893
* fix: translations for sidebar by @hbjORbj in https://github.com/calcom/cal.com/pull/16910
* feat: Multiple Private links per Event Type by @Souptik2001 in https://github.com/calcom/cal.com/pull/15896
* feat: update translations by @calcom-bot in https://github.com/calcom/cal.com/pull/16911
* fix: i18n for app router by @hbjORbj in https://github.com/calcom/cal.com/pull/16909
* feat: add Mintlify docs by @keithwillcode in https://github.com/calcom/cal.com/pull/16787
* fix: Tooltip must be used within TooltipProvider by @muhammadspace in https://github.com/calcom/cal.com/pull/16918
* chore: v4.5.9 by @zomars in https://github.com/calcom/cal.com/pull/16926
## New Contributors
* @muhammadspace made their first contribution in https://github.com/calcom/cal.com/pull/16918
**Full Changelog**: https://github.com/calcom/cal.com/compare/v4.5.8...v4.5.9