## An updated CalDAV issue checklist * [x] Nextcloud not syncing busy times #6756 * [x] Unclear error forwarding with CalDAV slow servers #6313 https://github.com/calcom/cal.com/issues/6313 * [x] “e is undefined” error when adding CalDAV #5604 * [x] Meetings in Apple calendar are offset when calculating available time slots #5570 * [x] If a caldav server stops responding, it takes Installed Apps Page down. #2786 * [X] CalDAV integration with Baikal does not work #588 * [X] CalDAV availability checking is slow (30+ seconds) #479 * [X] CalDav/Lark Suite can't connect to Cal \[The Lark Suite isn't supported\] #2989 * [X] Nextcloud - JSON error on booking but it the booking goes through * [X] CalDav/Zimbra - existing events (set to busy) don't reflect in the availability * [X] Missing attendees in caldav events #3076 * [X] Availability fetching is bugged (atleast for CalDAV) #3589 * [X] Events with availability: free on my calendar still block booking availability #2236 * [X] Editing event location duplicates the event on my CalDAV calendar \[NextCloud\] (Note: this isn't limited to CalDAV but design choices. A fix is overdue) #3027 * [X] Caldav event is not updated on reschedule #2988 * [X] Busy booked events from CalDav (NextCloud) & Apple don't block scheduling availability #1588 * [X] Events created on kerio not considered by availability checker #4003 * [X] Apple Calendar/CalDav events are getting converted to GMT #2139 * [X] Rescheduling event created on CalDav calendar throws an error/unable to reschedule and get a new confirmation #4205 * [X] iCalendar timezone is off (doubles) CalDAV #5309 ## Confirmed and verified list of all supported CalDAV integration calendar services * [ ] 1CRM * [ ] [A1.net](http://A1.net) * [ ] [all-inkl.com](http://all-inkl.com) * [ ] AOL Mail * [X] Baïkal * [ ] Bitrix24 * [x] bluemind (based on zimbra) * [ ] Calendar and Contacts Server * [ ] Confluence Calendar * [ ] cPanel * [ ] Cyrus IMAP * [ ] DAViCal * [ ] DavMail Gateway * [ ] Davis * [ ] Daylite * [ ] DingTalk / 钉钉 / Dīngdīng * [ ] Dolibarr * [ ] EDIS * [ ] EGroupware * [X] Fastmail * [ ] Feishu * [ ] fruux * [ ] GMX * [ ] Google * [ ] Group Office * [ ] Hetzner KonsoleH * [ ] Horde * [X] Infomaniac * [ ] IceWarp * [ ] iCloud * [X] Kerio Connect * [ ] Kolab Now * [ ] Liberta * [ ] luckycloud * [ ] macOS Server * [ ] [mail.de](http://mail.de) * [ ] [mail.ru](http://mail.ru) * [X] [mailbox.org](http://mailbox.org) * [ ] Mailfence * [ ] MDaemon * [X] Nextcloud * [ ] openCRX * [ ] Open-Xchange / OX App Suite * [ ] Oracle Beehive * [ ] Oracle Communications UCS * [ ] ownCloud * [ ] OwnCube * [ ] Posteo * [ ] Radicale * [ ] Roundcube * [X] SabreDav ([ref](https://github.com/calcom/cal.com/issues/5199)) * [ ] SmarterMail * [ ] SOGo * [ ] Synology DSM * [ ] Teambox * [ ] Tine 2.0 * [ ] T-Online * [ ] [web.de](http://web.de) * [ ] Xandikos * [ ] Yahoo Mail! * [ ] Yandex * [ ] Zaclys * [X] Zimbra * [ ] Zoho ## Supported CalDAV calendar object formats * [X] .ics * [X] .eml > From [Linear-GitHub Sync](https://synclinear.com) <sub>From [SyncLinear.com](https://synclinear.com) | [CAL-130](https://linear.app/calcom/issue/CAL-130/all-caldav-issues-here)</sub>
An updated CalDAV issue checklist
Unclear error forwarding with CalDAV slow servers #6313
Confirmed and verified list of all supported CalDAV integration calendar services
Supported CalDAV calendar object formats
From SyncLinear.com | CAL-130