Cal.com v5.6.4 — 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 6 🔧 Bug Fixes 4

⚡ Executive Summary (TL;DR)

Cal.com v5.6.4. Source highlight: fix: Add guests via URL param even if field is hidden

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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 (6)

feat: add organizer.id to the BOOKING_CREATED webhook for requires confirmation event bookings
feat: add hideEventMetadata prop
feat: add attendee filters to /insights/routing (+ use RoutingFormResponseDenormalized)
feat: update global feature flag to team feature flag for team booking page cache
feat: multi Select for "Event Type" in Insights
feat: add send & verify code flow to booker atom when email verification is turned on

🔧 Bug Fixes & Patches (4)

fix: Add guests via URL param even if field is hidden
fix: `onBookerStateChange` prop for `Booker` atom
fix: Event attendees are not showing in the calendar when hideOrganizerEmail is true
fix: POST v2/bookings - recurrenceCount (with eventType reoccuring enabled) causes lengthInMinutes to be ignored

📄 View Raw Release Notes (Original Developer Log)

## What's Changed * fix: Add guests via URL param even if field is hidden by @joeauyeung in https://github.com/calcom/cal.com/pull/23229 * fix: `onBookerStateChange` prop for `Booker` atom by @Ryukemeister in https://github.com/calcom/cal.com/pull/23213 * feat: add organizer.id to the BOOKING_CREATED webhook for requires confirmation event bookings by @SomayChauhan in https://github.com/calcom/cal.com/pull/23245 * feat: add hideEventMetadata prop by @SomayChauhan in https://github.com/calcom/cal.com/pull/23211 * chore: Remove maintenance mode middleware by @emrysal in https://github.com/calcom/cal.com/pull/23251 * feat: add attendee filters to /insights/routing (+ use RoutingFormResponseDenormalized) by @eunjae-lee in https://github.com/calcom/cal.com/pull/21297 * feat: update global feature flag to team feature flag for team booking page cache by @hbjORbj in https://github.com/calcom/cal.com/pull/23154 * feat: multi Select for "Event Type" in Insights by @ShashwatPS in https://github.com/calcom/cal.com/pull/23173 * fix: Event attendees are not showing in the calendar when hideOrganizerEmail is true by @anikdhabal in https://github.com/calcom/cal.com/pull/23255 * fix: POST v2/bookings - recurrenceCount (with eventType reoccuring enabled) causes lengthInMinutes to be ignored by @romitg2 in https://github.com/calcom/cal.com/pull/23023 * feat: add send & verify code flow to booker atom when email verification is turned on by @SomayChauhan in https://github.com/calcom/cal.com/pull/23074 * feat: improve unkey error handling with heavy logging for unknown errors by @keithwillcode in https://github.com/calcom/cal.com/pull/23223 **Full Changelog**: https://github.com/calcom/cal.com/compare/v5.6.3...v5.6.4

← Older Version Cal.com v5.6.3 Newer Version → Cal.com v5.6.5