Impact Score: 5/10
Cal.com v4.8.9 — 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.
⚡ Executive Summary (TL;DR)
Cal.com v4.8.9. Source highlight: fix: plain chat removed from mobile devices
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.
⚡ Performance & Enhancements (2)
- perf: /router endpoint perf improvement
- perf: getAvailableSlots improvements - 1
🔧 Bug Fixes & Patches (2)
- fix: plain chat removed from mobile devices
- fix: Route Builder field input looses focus on typing
📄 View Raw Release Notes (Original Developer Log)
## What's Changed
* fix: plain chat removed from mobile devices by @nizzyabi in https://github.com/calcom/cal.com/pull/18377
* perf: /router endpoint perf improvement by @hariombalhara in https://github.com/calcom/cal.com/pull/18366
* fix: Route Builder field input looses focus on typing by @hariombalhara in https://github.com/calcom/cal.com/pull/18381
* chore: rely less on autoinfer, use initial data types in consumers by @emrysal in https://github.com/calcom/cal.com/pull/18359
* perf: getAvailableSlots improvements - 1 by @Udit-takkar in https://github.com/calcom/cal.com/pull/18382
**Full Changelog**: https://github.com/calcom/cal.com/compare/v4.8.8...v4.8.9