โ ๏ธ Breaking Change
Impact Score: 7/10
Cal.com v6.1.1 โ Release Notes & Engineering Impact
Source available โ automated, not human-reviewed
Component: calcom ยท Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
Breaking-change evidence from the source
fix(ci): add build step for platform packages in API v2 breaking changes check by @Ryukemeister in https://github.com/calcom/cal.com/pull/26948
โก Executive Summary (TL;DR)
Cal.com v6.1.1. Source highlight: fix: cancel email notification workflow did not get sent to the secondary host
Who Does This Impact? (Role-Based Analysis)
๐ป Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
๐ Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
โ๏ธ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
โ ๏ธ Breaking Changes & Deprecations (1)
- fix(ci): add build step for platform packages in API v2 breaking changes check by @Ryukemeister in https://github.com/calcom/cal.com/pull/26948
โจ New Features & Capabilities (6)
- feat: allow link cloaking for Organization accounts in workflow emails
- feat(agents): add modular engineering rules from 2026 standards
- feat: clear all filters when deselecting a segment
- feat: pass register param directly to login page from OAuth authorize
- feat: add react best practises and web design skills
- feat: seed admin API key for local development
โก Performance & Enhancements (1)
- perf: timezone select component
๐ง Bug Fixes & Patches (6)
- fix: cancel email notification workflow did not get sent to the secondary host
- fix: sort workflow dropdown to show org before teams
- revert: "fix: api v2 get event-types non org users (#26896)"
- fix: meeting URL is missing in the email after rescheduling a seated event
- fix: flaky E2E tests
- fix: seated event bug
๐ View Raw Release Notes (Original Developer Log)
## What's Changed
* fix: cancel email notification workflow did not get sent to the secondary host by @anikdhabal in https://github.com/calcom/cal.com/pull/26915
* feat: allow link cloaking for Organization accounts in workflow emails by @PeerRich in https://github.com/calcom/cal.com/pull/26528
* fix: sort workflow dropdown to show org before teams by @CarinaWolli in https://github.com/calcom/cal.com/pull/26796
* feat(agents): add modular engineering rules from 2026 standards by @keithwillcode in https://github.com/calcom/cal.com/pull/26847
* revert: "fix: api v2 get event-types non org users (#26896)" by @keithwillcode in https://github.com/calcom/cal.com/pull/26924
* feat: clear all filters when deselecting a segment by @eunjae-lee in https://github.com/calcom/cal.com/pull/26920
* feat: pass register param directly to login page from OAuth authorize by @dhairyashiil in https://github.com/calcom/cal.com/pull/26922
* chore: reduce log spam on Calendars by @volnei in https://github.com/calcom/cal.com/pull/26927
* fix: meeting URL is missing in the email after rescheduling a seated event by @anikdhabal in https://github.com/calcom/cal.com/pull/26914
* feat: add react best practises and web design skills by @Udit-takkar in https://github.com/calcom/cal.com/pull/26918
* feat: seed admin API key for local development by @hariombalhara in https://github.com/calcom/cal.com/pull/26876
* fix: flaky E2E tests by @anikdhabal in https://github.com/calcom/cal.com/pull/26934
* fix: seated event bug by @Udit-takkar in https://github.com/calcom/cal.com/pull/26929
* refactor(agents): move prescriptive content from knowledge-base to rules by @eunjae-lee in https://github.com/calcom/cal.com/pull/26925
* fix: rescheduled booking with multiple durations does not preserve the duration (API v2) by @Ryukemeister in https://github.com/calcom/cal.com/pull/26746
* fix: rrHostsubsetIds not provided to mapBookingToMutationInput, atoms 2.3.1 by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/26122
* fix: sync filter segment checkmark with button selection state by @eeshm in https://github.com/calcom/cal.com/pull/26930
* chore: remove platform issue template by @dhairyashiil in https://github.com/calcom/cal.com/pull/26941
* feat(companion): add register=false param to OAuth URL for iOS by @PeerRich in https://github.com/calcom/cal.com/pull/26905
* fix: get bookings handler for pbac and fallback roles by @sean-brydon in https://github.com/calcom/cal.com/pull/25434
* feat: add GitHub Action to check Prisma migrations match schema by @joeauyeung in https://github.com/calcom/cal.com/pull/26897
* fix: add ensureProtocol helper to handle URLs without protocol by @simiondolha in https://github.com/calcom/cal.com/pull/26667
* feat(companion): add optimistic updates to availability edit screens by @dhairyashiil in https://github.com/calcom/cal.com/pull/26931
* fix(ci): add build step for platform packages in API v2 breaking changes check by @Ryukemeister in https://github.com/calcom/cal.com/pull/26948
* feat: monthly-proration-tasker by @sean-brydon in https://github.com/calcom/cal.com/pull/26870
* feat(companion): add optimistic updates to EventTypeDetail screen 2 by @dhairyashiil in https://github.com/calcom/cal.com/pull/26945
* fix(api): add @ApiExtraModels for location types in OpenAPI spec by @Ryukemeister in https://github.com/calcom/cal.com/pull/26951
* fix: validate hosts belong to team in managed event type create/update by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/26952
* fix: prevent HTML encoding of forward slash in booking confirmation by @eeshm in https://github.com/calcom/cal.com/pull/26949
* fix: app card action button alignment by @deepanshurajput0 in https://github.com/calcom/cal.com/pull/26954
* refactor: calEventParser CalendarEvent ISP by @anikdhabal in https://github.com/calcom/cal.com/pull/25890
* feat: api v2 team invite link endpoint by @Ryukemeister in https://github.com/calcom/cal.com/pull/26644
* fix(companion): add missing useEffect import and fix type errors by @dhairyashiil in https://github.com/calcom/cal.com/pull/26960
* test: add unit tests for Tasker class by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/26975
* docs: add deprecation warnings to API v2 platform endpoints by @Ryukemeister in https://github.com/calcom/cal.com/pull/26971
* fix: availability unlockedFields initialisation for team-managed event types by @gusdudey2k in https://github.com/calcom/cal.com/pull/25666
* feat: add new issue template for companion by @dhairyashiil in https://github.com/calcom/cal.com/pull/26939
* feat: update translations via @LingoDotDev by @cal-com-ci[bot] in https://github.com/calcom/cal.com/pull/26776
* perf: timezone select component by @Udit-takkar in https://github.com/calcom/cal.com/pull/26980
* fix: atoms issues by @Ryukemeister in https://github.com/calcom/cal.com/pull/26983
* chore: ensure default selected calendars in calendars processor job by @ThyMinimalDev in https://github.com/calcom/cal.com/pull/26944
* fix: pass seatUid when rescheduling seated booking from booking limit error by @Ryukemeister in https://github.com/calcom/cal.com/pull/26389
* fix: Stores the DateRange in UTC instead of user machine that caused the bug by @alishaz-polymath in https://github.com/calcom/cal.com/pull/26900
* refactor: replace `loggedInUsersTz` with `timeZone` property in busy-times API by @Shikhar-8 in https://github.com/calcom/cal.com/pull/25440
* feat: API endpoint to fetch bookings for standalone teams by @hemanth5544 in https://github.com/calcom/cal.com/pull/26818
* fix(ui): update coss ui components by @eunjae-lee in https://github.com/calcom/cal.com/pull/26989
* fix(companion): Android bottom navbar styling and iOS event type spacing issues by @dhairyashiil in https://github.com/calcom/cal.com/pull/26981
* feat: add organizeImports and useSortedClasses to biome config by @volnei in https://github.com/calcom/cal.com/pull/26999
## New Contributors
* @gusdudey2k made their first contribution in https://github.com/calcom/cal.com/pull/25666
* @Shikhar-8 made their first contribution in https://github.com/calcom/cal.com/pull/25440
* @hemanth5544 made their first contribution in https://github.com/calcom/cal.com/pull/26818
**Full Changelog**: https://github.com/calcom/cal.com/compare/v6.1.0...v6.1.1