โ ๏ธ Breaking Change
Impact Score: 7/10
Cal.com v3.0.0 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: Fixed merge mistake in next.config breaking new booker redirects. by @JeroenReumkens in https://github.com/calcom/cal.com/pull/9532
โก Executive Summary (TL;DR)
Cal.com v3.0.0. Source highlight: fix: [CAL-1765] opt-in: clicking "confirm" or "reject" broken
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: Fixed merge mistake in next.config breaking new booker redirects. by @JeroenReumkens in https://github.com/calcom/cal.com/pull/9532
โจ New Features & Capabilities (6)
- feat: enabled csv upload for team bulk invites
- test: Add E2E test to verify theme change
- docs: Added command in manual section
- feat: add paid webhook
- feat: new booker embed
- feat: Organizations
โก Performance & Enhancements (1)
- chore: Improve IP Ban
๐ง Bug Fixes & Patches (6)
- fix: [CAL-1765] opt-in: clicking "confirm" or "reject" broken
- fix: carify what sender ID means
- fix: theme in new booker
- fix: translations - email verify and conferencing app
- fix: copy icon for dark mode
- chore: Update vite 2.9.15 โ 2.9.16 (patch)
๐ View Raw Release Notes (Original Developer Log)
## What's Changed
* fix: [CAL-1765] opt-in: clicking "confirm" or "reject" broken by @roae in https://github.com/calcom/cal.com/pull/9443
* chore: moved viewport meta from document to PageWrapper by @PeerRich in https://github.com/calcom/cal.com/pull/9406
* fix: carify what sender ID means by @CarinaWolli in https://github.com/calcom/cal.com/pull/9431
* fix: theme in new booker by @Udit-takkar in https://github.com/calcom/cal.com/pull/9453
* feat: enabled csv upload for team bulk invites by @Meetcpatel in https://github.com/calcom/cal.com/pull/9446
* fix: translations - email verify and conferencing app by @sean-brydon in https://github.com/calcom/cal.com/pull/9466
* test: Add E2E test to verify theme change by @abhisheksunil2201 in https://github.com/calcom/cal.com/pull/9455
* fix: copy icon for dark mode by @Veer0x1 in https://github.com/calcom/cal.com/pull/9459
* chore: Update vite 2.9.15 โ 2.9.16 (patch) by @depfu in https://github.com/calcom/cal.com/pull/9346
* fix: dark mode in Alert component by @Udit-takkar in https://github.com/calcom/cal.com/pull/9467
* docs: Added command in manual section by @KavanGandhi in https://github.com/calcom/cal.com/pull/9433
* fix: Pass event duration to schedule api call by @JeroenReumkens in https://github.com/calcom/cal.com/pull/9484
* fix: #9217 | redirected unready /settings/admin to one of its tabs by @sohamdata in https://github.com/calcom/cal.com/pull/9222
* fix: size of cell by @Udit-takkar in https://github.com/calcom/cal.com/pull/9486
* fix: Routing form two "New" button issue. by @Nikeshkumar-tk in https://github.com/calcom/cal.com/pull/9479
* fix: Multiple inPerson Location edit modals reading first location by @JaideepGuntupalli in https://github.com/calcom/cal.com/pull/9465
* fix: phone input update state persistence by @JaideepGuntupalli in https://github.com/calcom/cal.com/pull/9471
* feat: add paid webhook by @ologbonowiwi in https://github.com/calcom/cal.com/pull/8721
* fix: Add e2e test for routing forms webhook subscription by @tachyonicbytes in https://github.com/calcom/cal.com/pull/9401
* fix: CalDAV, Cannot read properties of undefined (reading 'data') by @alishaz-polymath in https://github.com/calcom/cal.com/pull/9493
* feat: new booker embed by @JeroenReumkens in https://github.com/calcom/cal.com/pull/9023
* fix: Added custom error with more details to debug the ciaran event issue by @JeroenReumkens in https://github.com/calcom/cal.com/pull/9482
* chore: Improve IP Ban by @hariombalhara in https://github.com/calcom/cal.com/pull/9512
* fix: Sets null to undefined during workflow select by @emrysal in https://github.com/calcom/cal.com/pull/9513
* chore: Cache node_modules by @keithwillcode in https://github.com/calcom/cal.com/pull/9492
* feat: Organizations by @leog in https://github.com/calcom/cal.com/pull/8993
* feat: Organizations users calendar cache by @roae in https://github.com/calcom/cal.com/pull/9498
* fix: Email verification banner by @Udit-takkar in https://github.com/calcom/cal.com/pull/9519
* fix: check user session in banner by @Udit-takkar in https://github.com/calcom/cal.com/pull/9530
* feat: Routing Forms/Teams Support by @hariombalhara in https://github.com/calcom/cal.com/pull/9417
* fix: Fixed merge mistake in next.config breaking new booker redirects. by @JeroenReumkens in https://github.com/calcom/cal.com/pull/9532
* feat: weekly view calendar improvements by @JeroenReumkens in https://github.com/calcom/cal.com/pull/9491
* feat: organizations sidebar by @leog in https://github.com/calcom/cal.com/pull/9395
* feat: Enable new booker globally for 3.0 by @sean-brydon in https://github.com/calcom/cal.com/pull/9541
* fix: Team list now aware of org teams by @leog in https://github.com/calcom/cal.com/pull/9544
* feat: Org settings - profile,appearance, child teams, create new child by @sean-brydon in https://github.com/calcom/cal.com/pull/9231
## New Contributors
* @Meetcpatel made their first contribution in https://github.com/calcom/cal.com/pull/9446
* @abhisheksunil2201 made their first contribution in https://github.com/calcom/cal.com/pull/9455
* @KavanGandhi made their first contribution in https://github.com/calcom/cal.com/pull/9433
* @Nikeshkumar-tk made their first contribution in https://github.com/calcom/cal.com/pull/9479
* @JaideepGuntupalli made their first contribution in https://github.com/calcom/cal.com/pull/9465
* @ologbonowiwi made their first contribution in https://github.com/calcom/cal.com/pull/8721
**Full Changelog**: https://github.com/calcom/cal.com/compare/v2.9.8...v3.0.0