Cal.com v5.3.12 — 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 ⚡ Improvements 1 🔧 Bug Fixes 5

⚡ Executive Summary (TL;DR)

Cal.com v5.3.12. Source highlight: feat: Round Robin timestamp basis

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: Round Robin timestamp basis
feat: override name in daily video
feat: add credit purchase log
feat: added validation to limit event duration to 1440 minutes (24 ho…

⚡ Performance & Enhancements (1)

perf: Implement worker threads for getAvailableSlots to prevent CPU blocking

🔧 Bug Fixes & Patches (5)

fix: cascade organization hideBranding setting to user and team events
fix: cal atoms schedule container class in availability settings custom class names not being applied
fix: multi-line formatted correctly for sms
fix: provide timeZone to /insights from the server side
fix: remove deprecated fields from retell ai

📄 View Raw Release Notes (Original Developer Log)

## What's Changed * feat: Round Robin timestamp basis by @CarinaWolli in https://github.com/calcom/cal.com/pull/21337 * chore(docs): update 'Calendso' to 'Cal.com' in documentation by @navin1573 in https://github.com/calcom/cal.com/pull/21661 * perf: Implement worker threads for getAvailableSlots to prevent CPU blocking by @devin-ai-integration in https://github.com/calcom/cal.com/pull/21479 * fix: cascade organization hideBranding setting to user and team events by @devin-ai-integration in https://github.com/calcom/cal.com/pull/21703 * docs: Cleanup false info by @alishaz-polymath in https://github.com/calcom/cal.com/pull/21741 * refactor: async constructor is an anti-pattern, use init instead by @emrysal in https://github.com/calcom/cal.com/pull/21785 * feat: override name in daily video by @Udit-takkar in https://github.com/calcom/cal.com/pull/21758 * fix: cal atoms schedule container class in availability settings custom class names not being applied by @parteekmalik in https://github.com/calcom/cal.com/pull/21733 * fix: multi-line formatted correctly for sms by @chaitanyya in https://github.com/calcom/cal.com/pull/21779 * refactor: Deprecate Legacy v2 Booker Atom Endpoints by @SomayChauhan in https://github.com/calcom/cal.com/pull/20939 * fix: provide timeZone to /insights from the server side by @eunjae-lee in https://github.com/calcom/cal.com/pull/21580 * feat: add credit purchase log by @CarinaWolli in https://github.com/calcom/cal.com/pull/21768 * feat: added validation to limit event duration to 1440 minutes (24 ho… by @Devanshusharma2005 in https://github.com/calcom/cal.com/pull/21379 * fix: remove deprecated fields from retell ai by @Udit-takkar in https://github.com/calcom/cal.com/pull/21790 ## New Contributors * @navin1573 made their first contribution in https://github.com/calcom/cal.com/pull/21661 * @chaitanyya made their first contribution in https://github.com/calcom/cal.com/pull/21779 **Full Changelog**: https://github.com/calcom/cal.com/compare/v5.3.11...v5.3.12

← Older Version Cal.com v5.3.11 Newer Version → Cal.com v5.3.13