Major bug: Duplicate entries or incorrect duration on calendar

Created on 26 December 2024, about 1 month ago

Dear all,

On Drupal 11.1.0, the FullCalendar renders, either duplicate entries or extends the duration from the event date to when the event was updated. Please see screenshots that visualize these issues:

Duplicate entries:

When creating a view with only the start date, only one entry appreas in the calendar front end. However, when using both, start and end dates (incl. times), the front end renders duplicate entries.

See attachments:
- Two-Dates-Duplicates-Settings.jpg: Both the start and date fields in the view
- Two-Dates-Duplicates-Output.jpg: Selecting both the start and end dates results in duplicates in the front end
- One-Date-No-Duplicates-Settings.jpg: Only the start date field in the view
- One-Date-No-Duplicates-Output.jpg: Only one event is correctly shown in the front end

Please note that for the next issue, I adjusted the start dates in the Event content type, which resulted in this error / issue.

Extended duration
When choosing only one date in the view and subsequently creating an Event using a custom post type, the front end renders the event from the event start date to when it was last updated.

- Extended-Rendering-One-Date-In-Settings.jpg: Only start date field in the view
- Extended-Rendering-One-Date-Event-Content.jpg: Adjusting the start and end dates in the Event content type
- Extended-Rendering-One-Date-Output-Frontend.jpg: Incorrect rendering of the event duration in the front end

I saw that a similar issue was reported earlier, but can't track it down. The recommendation was to use only one date field. However, that case isn't applicable with this issue as the rendering is incorrect with only one date selected.

Is there something I missed? Any workarounds / patches / fixes?

Thanks in advance!

Mithun A. Sridharan

πŸ› Bug report
Status

Active

Version

3.0

Component

Code

Created by

πŸ‡©πŸ‡ͺGermany mithun-a-sridharan Heidelberg

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