nextcloud / nextcloud/calendar

Calender event not shown correctly if Subject starts with an topic mit collon included like GUC:

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JavaScript
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Description

Steps to reproduce

Import a meeting ics with e.g. GUC: in title...
The title will be set to untitled event.
The exported event shows correct title under SUMMARY;

RDATE;TZID=W. Europe Standard Time:20250523T083000,20250606T083000,20250613
 T083000,20250815T123000
RRULE:FREQ=WEEKLY;COUNT=38;BYDAY=FR
SEQUENCE:41
SUMMARY;LANGUAGE=de:CUG: Teammeeting
TRANSP:OPAQUE
Expected behavior

correct title shown

Actual behavior

"untitled event" shown

Calendar app version

5.5.1

CalDAV-clients used

No response

Browser

No response

Client operating system

No response

Server operating system

No response

Web server

None

Database engine version

None

PHP engine version

None

Nextcloud version

No response

Updated from an older installed version or fresh install

None

List of activated apps

Nextcloud configuration

Web server error log

Log file

Browser log

Additional info

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing the ICS import handling for SUMMARY values containing a colon, using the reproduced event as the input case. Compare how the imported title is parsed with the exported SUMMARY value, then add a regression test if the relevant test location is found. Done means the imported event displays the correct title instead of "untitled event".

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
backend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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