Beta program

Installing Synology Calendar

Please read the following before installing this beta software

  1. For evaluation only - This beta software is for evaluation purposes only and should not be installed on critical equipment or in production environments. We strongly recommend reading the Release notes section before installing it. Synology cannot be held responsible for any damages, such as accidental data loss, caused by this beta software.

  2. Not downgradable - After installation of this beta application, you will not be able to downgrade to a previous official version of this software.

To install the beta software on your Synology NAS

  1. Log in to DSM using an account belonging to the administrators group.
  2. Open Package Center.
  3. Now you should be able to find and install packages that currently have a beta version available and compatible with your Synology NAS for public testing.
  4. Remember to click from Installed > Feedback to help us out and report any issues or suggestions.

Compatibility

Applied Models

  • FS-series: FS6400, FS3600, FS3410, FS3400, FS3017, FS2500, FS2017, FS1018
  • HD-series: HD6500
  • SA-series: SA6400, SA3610, SA3600, SA3410, SA3400D, SA3400, SA3200D
  • 24-series: DS224+, DS124
  • 23-series: RS2423RP+, RS2423+, DS1823xs+, DS923+, DS723+, DS423+, DS423, DS223, DS223j
  • 22-series: RS822RP+, RS822+, RS422+, DS3622xs+, DS2422+, DS1522+, DVA1622
  • 21-series: RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+, DVA3221
  • 20-series: RS820RP+, RS820+, DS1520+, DS920+, DS720+, DS620slim, DS420+, DS420j, DS220+, DS220j, DS120j
  • 19-series: RS1619xs+, RS1219+, RS819, DS2419+II, DS2419+, DS1819+, DS1019+, DS419slim, DS119j, DVA3219
  • 18-series: RS3618xs, RS2818RP+, RS2418RP+, RS2418+, RS818RP+, RS818+, DS3018xs, DS1618+, DS918+, DS718+, DS418, DS418play, DS418j, DS218+, DS218, DS218play, DS218j, DS118
  • 17-series: RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, RS3617xs, RS217, DS3617xsII, DS3617xs, DS1817+, DS1817, DS1517+, DS1517
  • 16-series: RS18016xs+, RS2416RP+, RS2416+, RS816, DS916+, DS716+II, DS716+, DS416, DS416play, DS416slim, DS416j, DS216+II, DS216+, DS216, DS216play, DS216j, DS116

Release notes

Important Note

  1. The update is expected to be available in all regions within the next few days. The actual time of release may vary slightly depending on the region.
  2. To prevent any issues, we suggest reconnecting to your CalDAV clients after updating to Calendar 2.5.0.

What's New

  1. Updated PHP from version 7.3 to 8.2.
  2. Supports importing email addresses from Synology Contacts for receiving event invitations with iCalendar (.ics) data. (Learn more)
  3. Enhanced CalDAV client meeting invitation emails and Calendar notifications.
  4. Updated timezone database to version 2023c.

Fixed Issues

  1. Fixed an issue where email invitations were not displayed properly.
  2. Adjusted the maximum description length to 2,048 characters in the Calendar settings.
  3. Fixed an issue where the CalDAV client couldn't connect to Calendar with the TLS/SSL profile level set to modern compatibility.
  4. Updated the calendar list by replacing symbols with checkboxes.
  5. Adjusted the default order of the event participant list.
  6. Minor bug fixes.