Cal.com v5.7.9 — 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.

Compatibility not verified — check source notes

📄 .MD

✨ Features 4 🔧 Bug Fixes 4

⚡ Executive Summary (TL;DR)

Cal.com v5.7.9. Source highlight: fix: contentType is added incorrectly in the workflow ICS

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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 (4)

feat: botid enabled on api/book/event api route
chore: Add next-auth-options.ts to Foundation code owners
feat: add usernameInOrg field to webhook organizer payload for organization users
feat: update translations via @LingoDotDev

🔧 Bug Fixes & Patches (4)

fix: contentType is added incorrectly in the workflow ICS
fix: Restrict the length of emails as per RFC
fix: timezone variable name does not match webhook payload
fix: create missing migration for dropping obsolete indexes

📄 View Raw Release Notes (Original Developer Log)

## What's Changed * fix: contentType is added incorrectly in the workflow ICS by @anikdhabal in https://github.com/calcom/cal.com/pull/24284 * feat: botid enabled on api/book/event api route by @sean-brydon in https://github.com/calcom/cal.com/pull/24207 * fix: Restrict the length of emails as per RFC by @hariombalhara in https://github.com/calcom/cal.com/pull/24269 * chore: Add next-auth-options.ts to Foundation code owners by @sean-brydon in https://github.com/calcom/cal.com/pull/24295 * feat: add usernameInOrg field to webhook organizer payload for organization users by @hariombalhara in https://github.com/calcom/cal.com/pull/23246 * feat: update translations via @LingoDotDev by @calcom-bot in https://github.com/calcom/cal.com/pull/24301 * fix: timezone variable name does not match webhook payload by @Kinbaum in https://github.com/calcom/cal.com/pull/24279 * docs: update License key for self hosted instance by @alishaz-polymath in https://github.com/calcom/cal.com/pull/24300 * fix: create missing migration for dropping obsolete indexes by @alishaz-polymath in https://github.com/calcom/cal.com/pull/24304 * chore: Upgrade Next.js to 15.5.4 by @keithwillcode in https://github.com/calcom/cal.com/pull/24307 ## New Contributors * @Kinbaum made their first contribution in https://github.com/calcom/cal.com/pull/24279 **Full Changelog**: https://github.com/calcom/cal.com/compare/v5.7.8...v5.7.9

← Older Version Cal.com v5.7.8 Newer Version → Cal.com v5.7.10