Issues

• Booking uid is not collision-safe: same-host, same-start bookings in the same millisecond fail with a redacted 400

  🐛 bug
  calcom/cal.diy#30376 · Filter by author Jayami123 opened on Oct 21, 2026
  1

• Concurrent bookings of the same slot return 400 "An error occurred while querying the database." instead of 409 booking_conflict_error in production

  🐛 bug
  calcom/cal.diy#30375 · Filter by author Jayami123 opened on Oct 21, 2026
  1

• Concurrent bookings of overlapping slots for the same host are both accepted (double booking)

  🐛 bug
  calcom/cal.diy#30374 · Filter by author Jayami123 opened on Oct 21, 2026
  1

• Title: Add a "spam" booking status, and allow rejecting past unconfirmed bookings

  ✨ feature🚨 needs approval
  calcom/cal.diy#30373 · Filter by author KaroEverling opened on Oct 21, 2026

• [BUG] Email Notifications Still Sent to Old Address After Changing Primary Email

  🐛 bug
  calcom/cal.diy#30364 · Filter by author barathraj048 opened on Oct 19, 2026
  1

• Security: Prisma Studio and Redis Ports Exposed by Default in Docker Compose

  🐛 bug
  calcom/cal.diy#30351 · Filter by author satvik448 opened on Oct 16, 2026
  2

• OAuth authorization treats space-separated scopes as one scope

  calcom/cal.diy#30348 · Filter by author breken-ai opened on Oct 15, 2026
  1

• ICS feed: weekly recurring events without BYDAY create phantom busy blocks on the booker's own weekday

  calcom/cal.diy#30346 · Filter by author TheophileDiot opened on Oct 14, 2026
  1

• Already invited guests are not automatically notified when booked event detail are updated-desktop app(cal.com)

  🐛 bug
  calcom/cal.diy#30345 · Filter by author jsj0102 opened on Oct 14, 2026
  8

• Hosted MCP (mcp.cal.com): consent redirect to app.cal.com fails with "Requested scope exceeds the client's registered scopes"

  🐛 bug
  calcom/cal.diy#30344 · Filter by author kodeine opened on Oct 13, 2026
  7

• [App Store] Add NexaVoxa as a link-as-an-app (AI phone agents that book via Cal.com API v2)

  calcom/cal.diy#30340 · Filter by author mzia123 opened on Oct 12, 2026
  2

• Cannot log in with correct email and password on app.cal.com (existing session still works)

  🐛 bug
  calcom/cal.diy#30335 · Filter by author wonderweb-studio opened on Oct 10, 2026
  4

• SSO login (SAML/OIDC/Google) impossible for users with 2FA enabled: TOTP step always fails with "Incorrect email or password"

  calcom/cal.diy#30332 · Filter by author cl77 opened on Oct 9, 2026
  1

• Feature: AI-assisted availability suggestions on the booking page (opt-in)

  calcom/cal.diy#30330 · Filter by author YassineAzedine opened on Oct 9, 2026
  1

• Add customizable legal links/footer text directly above the booking confirmation button

  ✨ feature🚨 needs approval
  calcom/cal.diy#30324 · Filter by author ekammerman opened on Oct 8, 2026
  5

• CalDAV account that previously worked can no longer be added

  🐛 bug
  calcom/cal.diy#30316 · Filter by author emblenchris-ux opened on Oct 8, 2026
  5

• [App Store] Add DialogHub as a link-as-an-app (AI chat agent that books via Cal.com API v2)

  ✨ feature🚨 needs approval
  calcom/cal.diy#30304 · Filter by author DenITHub opened on Oct 6, 2026

• Show first or last available slot per availability interval

  ✨ feature🚨 needs approval
  calcom/cal.diy#30303 · Filter by author git-user-hub opened on Oct 6, 2026
  4

• Booking page crashes with "RangeError: Invalid time value" on invalid ?month= or ?date= query params

  🐛 bug
  calcom/cal.diy#30302 · Filter by author WojciechCzechowski opened on Oct 6, 2026
  1

• Event type update toast shows the previous title instead of the saved one

  🐛 bug
  calcom/cal.diy#30300 · Filter by author WojciechCzechowski opened on Oct 6, 2026
  2

• Feature request: Silent retention cleanup for historical bookings

  ✨ feature🚨 needs approval
  calcom/cal.diy#30298 · Filter by author git-user-hub opened on Oct 5, 2026
  1

• Booking email verification fails for plus aliases with impersonation protection enabled

  calcom/cal.diy#30293 · Filter by author kankadev opened on Oct 5, 2026
  4

• Date overrides split into duplicate days, and today's override disappears, when the server TZ is not UTC

  calcom/cal.diy#30271 · Filter by author sarmah-rup opened on Sep 29, 2026
  1

• Allow Google Meet as location when the destination calendar is Outlook / Office 365

  calcom/cal.diy#30269 · Filter by author herjari opened on Sep 29, 2026
  1

• Duration limits are checked in the server time zone at booking time

  calcom/cal.diy#30266 · Filter by author RaphaelFakhri opened on Sep 29, 2026
  2