I believe I have found a bug related to meeting invitations.
Environment
- eM Client 10.4.5608
- macOS Sequoia
- Yahoo IMAP email account
- iCloud calendar (CalDAV)
- Microsoft Teams / Outlook meeting invitations
Problem
When I receive a Teams meeting invitation:
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The invitation email is displayed correctly.
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I can click Accept, and the RSVP is sent successfully.
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However, the meeting is NOT added to my iCloud calendar.
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No calendar item appears in eM Client or in Fantastical (which uses the same iCloud calendar).
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What I verified
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Creating a calendar event manually in eM Client works and syncs correctly with iCloud.
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Dragging the same ICS file into eM Client imports the meeting correctly into the iCloud calendar.
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Therefore, the calendar itself is working properly.
I also inspected the raw source of the email.
The message contains a valid calendar MIME part:
The ICS contains a normal VCALENDAR/VEVENT with METHOD:REQUEST , UID , DTSTART , DTEND , attendees, etc.
So the invitation is present in the email and is valid.
Expected behavior
When I accept the invitation, eM Client should automatically add the meeting to the iCloud (CalDAV) calendar.
Actual behavior
The RSVP is sent, but the meeting is not imported into the calendar.