Cal.com v5.5.16 — 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.

Compatibility not verified — check source notes

📄 .MD

✨ Features 4 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Cal.com v5.5.16. Source highlight: refactor: convert findQualifiedHostsWithDelegationCredentials to service class with DI by @devin-ai-integration[bot] in https://github.com/calcom/cal.com/pull/22974

Visit Cal.com Official Site ↗ Official Release Source ↗ All Cal.com Releases 📡 Cal.com RSS

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)

feat: atoms e2e tests
feat: add conditional todesktop class to html element
feat: more atoms styles
chore: Add `jackson` and `jose` to next config `serverExternalPackages`

🔧 Bug Fixes & Patches (6)

fix: resolve credential mismatch in round robin reschedule causing 404 errors
fix: ensure seated event reschedules send proper reschedule emails
fix: false 500s from `/api/book/event`
fix: Org Redirect in SINGLE ORG Mode
fix: unauthorized trpc error in /getting-started page
fix: atoms e2e env variables to turbo.json

📄 View Raw Release Notes (Original Developer Log)

## What's Changed * refactor: convert findQualifiedHostsWithDelegationCredentials to service class with DI by @devin-ai-integration[bot] in https://github.com/calcom/cal.com/pull/22974 * feat: atoms e2e tests by @supalarry in https://github.com/calcom/cal.com/pull/22926 * fix: resolve credential mismatch in round robin reschedule causing 404 errors by @anikdhabal in https://github.com/calcom/cal.com/pull/22993 * fix: ensure seated event reschedules send proper reschedule emails by @anikdhabal in https://github.com/calcom/cal.com/pull/22849 * fix: false 500s from `/api/book/event` by @hbjORbj in https://github.com/calcom/cal.com/pull/23001 * feat: add conditional todesktop class to html element by @PeerRich in https://github.com/calcom/cal.com/pull/22985 * refactor: move isRestrictionScheduleEnabled into AvailableSlotsService with DI by @devin-ai-integration[bot] in https://github.com/calcom/cal.com/pull/23015 * fix: Org Redirect in SINGLE ORG Mode by @hariombalhara in https://github.com/calcom/cal.com/pull/23009 * feat: more atoms styles by @supalarry in https://github.com/calcom/cal.com/pull/22976 * fix: unauthorized trpc error in /getting-started page by @hbjORbj in https://github.com/calcom/cal.com/pull/23040 * fix: atoms e2e env variables to turbo.json by @supalarry in https://github.com/calcom/cal.com/pull/23039 * chore: Add `jackson` and `jose` to next config `serverExternalPackages` by @joeauyeung in https://github.com/calcom/cal.com/pull/23020 **Full Changelog**: https://github.com/calcom/cal.com/compare/v5.5.15...v5.5.16

← Older Version Cal.com v5.5.15 Newer Version → Cal.com v5.5.17