Impact Score: 5/10
Cal.com v5.2.3 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 v5.2.3. Source highlight: perf: slim down middleware matcher
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)
- feat: Write UTM params to Salesforce
- chore: Add consent message when SMS workflows are related
- feat: make skeleton for booking embed accurate
- chore: Add layout.tsx to Foundation team CODEOWNERS
โก Performance & Enhancements (2)
- perf: slim down middleware matcher
- chore: improved warning for UNKEY_ROOT_KEY
๐ง Bug Fixes & Patches (6)
- fix: offer seats feature is broken
- fix: Remove trailing } from utm param
- fix: only managed users assignable to managed team event
- fix: calendar connect atoms
- fix: header overlaps in month view on short viewport
- fix: 404 for embed.js in single domain-single org self hosting setup
๐ View Raw Release Notes (Original Developer Log)
## What's Changed
* perf: slim down middleware matcher by @hbjORbj in https://github.com/calcom/cal.com/pull/20735
* chore: Skip flakey tests SEO tests by @joeauyeung in https://github.com/calcom/cal.com/pull/20761
* feat: Write UTM params to Salesforce by @joeauyeung in https://github.com/calcom/cal.com/pull/20759
* chore: Add consent message when SMS workflows are related by @joeauyeung in https://github.com/calcom/cal.com/pull/20741
* chore: Remove verbose logging by @keithwillcode in https://github.com/calcom/cal.com/pull/20732
* fix: offer seats feature is broken by @anikdhabal in https://github.com/calcom/cal.com/pull/20758
* fix: Remove trailing } from utm param by @joeauyeung in https://github.com/calcom/cal.com/pull/20763
* fix: only managed users assignable to managed team event by @supalarry in https://github.com/calcom/cal.com/pull/20754
* feat: make skeleton for booking embed accurate by @retrogtx in https://github.com/calcom/cal.com/pull/20765
* fix: calendar connect atoms by @supalarry in https://github.com/calcom/cal.com/pull/20766
* fix: header overlaps in month view on short viewport by @evan-liu in https://github.com/calcom/cal.com/pull/20749
* fix: 404 for embed.js in single domain-single org self hosting setup by @hariombalhara in https://github.com/calcom/cal.com/pull/20120
* chore: improved warning for UNKEY_ROOT_KEY by @ronitrajfr in https://github.com/calcom/cal.com/pull/20785
* fix: v2 Sentry errors by @supalarry in https://github.com/calcom/cal.com/pull/20788
* fix: Org onboarding handle error due to platform team being moved to regular org by @hariombalhara in https://github.com/calcom/cal.com/pull/20786
* fix: Wrong text EmbedTheme -> Theme by @hariombalhara in https://github.com/calcom/cal.com/pull/20790
* refactor: replace timeZone string validation with timeZoneSchema by @zomars in https://github.com/calcom/cal.com/pull/20719
* fix: improved 'use-identity-login' error message for users trying to signInn using different provider by @romitg2 in https://github.com/calcom/cal.com/pull/20582
* fix: Location not changing when rescheduling by @anikdhabal in https://github.com/calcom/cal.com/pull/20404
* fix: sms workflow api v2 by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/20795
* fix: semi-colon in the bottom of layout UI by @hbjORbj in https://github.com/calcom/cal.com/pull/20799
* chore: Add layout.tsx to Foundation team CODEOWNERS by @keithwillcode in https://github.com/calcom/cal.com/pull/20802
* chore: remove swagger app and its dependencies by @zomars in https://github.com/calcom/cal.com/pull/20798
## New Contributors
* @evan-liu made their first contribution in https://github.com/calcom/cal.com/pull/20749
* @ronitrajfr made their first contribution in https://github.com/calcom/cal.com/pull/20785
**Full Changelog**: https://github.com/calcom/cal.com/compare/v5.2.2...v5.2.3