Recurrent event : notification unclear when change date/time of only one event

[francoisPE]

Steps to reproduce

I have nextcloud 23.0.6, calendar 3.4.1
In parameter, email notification is checked

1. Set an recurring event, for example daily, start the 15th of july at 10:00, with several guests
2. Change event of the 17th of july : move hour of this event to 14:00
3. Notification sent to guests, mention date 15th of july, 10:00. Notification is unclear about what is modified and how it is modified

Expected behavior

step 3. slightly different
--> Notification sent to guests, mentionning old 15th of July 10:00 and new date 17th of july, 14:00.

Actual behaviour

step 3 is
Notification sent to guests, mention date 15th of july, 10:00. Notification is unclear about what is modified and how it is modified

Calendar app version

3.4.1

CalDAV-clients used

web interface

Browser

firefox

Client operating system

Windows 10

Server operating system

ubuntu 20.04

Web server

Apache

Database engine version

MariaDB

PHP engine version

PHP 8.0

Nextcloud version

23.0.6

Updated from an older installed version or fresh install

No response

List of activated apps

No response

Nextcloud configuration

No response

Web server error log

NA

Log file

NA

Browser log

No response

Additional info

No response

[ChristophWurst]

Covered by #3919.