Cal.com v5.3.2 — 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 ⚡ Improvements 3 🔧 Bug Fixes 2

⚡ Executive Summary (TL;DR)

Cal.com v5.3.2. Source highlight: perf: Better perf by going event type first w/o booking

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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)

perf: add p-limit to _getUsersAvailability to limit concurrent executions to 10
feat: option to enforce language for bookingPage
chore: Add workflow to post security advisories to Slack
feat: support no show webhook for instant meetings
chore: add missing migration for RoutingFormResponseDenormalized
revert: "perf: add p-limit to _getUsersAvailability to limit concurre…

⚡ Performance & Enhancements (3)

perf: Better perf by going event type first w/o booking
perf: Optimize getSlots function to handle large dateRanges arrays efficiently
perf: optimize getSlots performance by selectively merging overlapping date ranges

🔧 Bug Fixes & Patches (2)

fix: make 'Send reset email' button text visible on hover (#21334)
fix: Wrong event details sent to previous host on reschedule RR event

📄 View Raw Release Notes (Original Developer Log)

## What's Changed * perf: Better perf by going event type first w/o booking by @emrysal in https://github.com/calcom/cal.com/pull/21369 * perf: Optimize getSlots function to handle large dateRanges arrays efficiently by @devin-ai-integration in https://github.com/calcom/cal.com/pull/21371 * perf: optimize getSlots performance by selectively merging overlapping date ranges by @devin-ai-integration in https://github.com/calcom/cal.com/pull/21370 * fix: make 'Send reset email' button text visible on hover (#21334) by @NishantSinghF11 in https://github.com/calcom/cal.com/pull/21335 * perf: add p-limit to _getUsersAvailability to limit concurrent executions to 10 by @devin-ai-integration in https://github.com/calcom/cal.com/pull/21374 * feat: option to enforce language for bookingPage by @vijayraghav-io in https://github.com/calcom/cal.com/pull/18782 * chore: Add workflow to post security advisories to Slack by @emrysal in https://github.com/calcom/cal.com/pull/21383 * chore: Update advisories-to-slack.yml by @emrysal in https://github.com/calcom/cal.com/pull/21384 * feat: support no show webhook for instant meetings by @Udit-takkar in https://github.com/calcom/cal.com/pull/21251 * chore: add missing migration for RoutingFormResponseDenormalized by @eunjae-lee in https://github.com/calcom/cal.com/pull/21388 * revert: "perf: add p-limit to _getUsersAvailability to limit concurre… by @keithwillcode in https://github.com/calcom/cal.com/pull/21396 * fix: Wrong event details sent to previous host on reschedule RR event by @anikdhabal in https://github.com/calcom/cal.com/pull/21390 * chore: bump platform libraries for v2 by @supalarry in https://github.com/calcom/cal.com/pull/21391 ## New Contributors * @NishantSinghF11 made their first contribution in https://github.com/calcom/cal.com/pull/21335 **Full Changelog**: https://github.com/calcom/cal.com/compare/v5.3.1...v5.3.2

← Older Version Cal.com v5.3.1 Newer Version → Cal.com v5.3.3