# Cal.com v6.1.5 — Release & Upgrade Intelligence
- **Product:** Cal.com (https://cal.com)
- **Version:** v6.1.5
- **Released:** Jan 27, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/calcom/updates/v6.1.5/

## Executive Summary (TL;DR)
Cal.com v6.1.5. Source highlight: fix: use createPortal for FeatureOptInBanner to avoid Intercom widget conflict

## New Features
- feat: organization upgrade flow v3
- feat: add multi-step download app dropdown with platform-specific options
- feat: add tooltip to `assigned` badge
- feat: add token refresh lifecycle callbacks to CalProvider
- feat: add proration invoice and reminder email templates

## Improvements
- style(ui): improve padding for VerticalTabItem

## Bug Fixes
- fix: use createPortal for FeatureOptInBanner to avoid Intercom widget conflict
- fix: remove sticky positioning from page headers in pages on scroll
- fix: disable prefetch on team page event type links to prevent Google rate limits
- fix: replace by_team_admins with by_team_admin in dynamic i18n keys by @devin-ai-integration[bot] in https://github.com/calcom/cal.com/pull/27270
- fix: Improve the error handling in Stripe collectCard method
- fix: sub-teams joining via token from api v2