# Cal.com v6.1.9 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v6.1.9
- **Released:** Jan 30, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v6.1.9/

## Executive Summary (TL;DR)
Cal.com v6.1.9. Source highlight: refactor: use DI-ed cached FeaturesRepository in flags router

## New Features
- feat: Routing trace presenter
- feat: add index on channelId for SelectedCalendar
- feat: add configurable wildcard domain matching to watchlist
- feat(companion): dark mode
- refactor: remove 10 trpc imports from features package by moving 16 tRPC-driven components to apps/web/modules
- feat: add encryptedKey column to Credential table for calendar integrations

## Improvements
- perf: increase Office365 calendarView page size to 999 to minimize pagination

## Bug Fixes
- fix: allow wildcard prefix in domain validation
- fix: remove unnecessary border when event type details are hidden
- fix: align feature opt-in toggle labels with enable/disable wording
- fix: Update search filter to check value and values fields in displayFields