Impact Score: 5/10
Cal.com v4.5.3 โ Release Notes & Engineering Impact
Source available โ automated, not human-reviewed
Component: calcom ยท Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
โก Executive Summary (TL;DR)
Cal.com v4.5.3. Source highlight: chore: add granular logging to the logger
Who Does This Impact? (Role-Based Analysis)
๐ป Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
๐ Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
โ๏ธ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
โจ New Features & Capabilities (4)
- chore: add granular logging to the logger
- feat: onBeforeUpdate AvailabilitySettings prop
- feat: Add EXPAND accepting "team" in API V1 Bookings
- chore: revert availability autosave feature
โก Performance & Enhancements (1)
- chore: improve api-v2 rate limiting
๐ง Bug Fixes & Patches (1)
- fix: bookings limits error
๐ View Raw Release Notes (Original Developer Log)
## What's Changed
* chore: add granular logging to the logger by @alishaz-polymath in https://github.com/calcom/cal.com/pull/16734
* feat: onBeforeUpdate AvailabilitySettings prop by @supalarry in https://github.com/calcom/cal.com/pull/16737
* feat: Add EXPAND accepting "team" in API V1 Bookings by @alishaz-polymath in https://github.com/calcom/cal.com/pull/16736
* fix: bookings limits error by @CarinaWolli in https://github.com/calcom/cal.com/pull/16739
* chore: revert availability autosave feature by @emrysal in https://github.com/calcom/cal.com/pull/16742
* chore: improve api-v2 rate limiting by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/16746
* chore: Default to connected Salesforce account as contact owner by @joeauyeung in https://github.com/calcom/cal.com/pull/16747
* chore: Release v4.5.3 by @emrysal in https://github.com/calcom/cal.com/pull/16728
**Full Changelog**: https://github.com/calcom/cal.com/compare/v4.5.2...v4.5.3