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iOS 15.1 Calendar issues for iPhone

When swiping between days, data often shows up as stale (events on the wrong day, or events at the "right" time but with wrong title).


Keeping the same day view open for up to 10 seconds seems to correct the issue (temporarily). This appears to be some kind of caching bug.


(This was *not* an issue in 15.0, 15.0.1 or 15.0.2. I have one MS Exchange calendar and three Google calendars.)


This is unacceptable Apple this makes our lives chaotic and is not valuable.


When this problem will be fixed?


Also I miss a topic like IOS Software to choose here so you can prioritize the issue right.



[Re-Titled by Moderator]


Posted on Nov 2, 2021 11:46 PM

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34 replies

Dec 13, 2021 10:45 PM in response to FigsySanto

Dear All,


since yesterday the new update IOS 15.2 came out and it includes also the topic:


* Calendar events may be displayed on the wrong date for Microsoft Exchange users.


Apple realized after a too long delay our problem and fixed the issue. So for me everything is now ok.


I thank you all dear people for your cooperation we and also Apple has done the right thing.


I wish you all a great time.


kind regards

Jerrylmusic.

Dec 14, 2021 6:26 PM in response to sf1968-uk

I had absolutely ZERO issues with my calendar (currently using only google calendars and family calendar) prior to my iOS update to 15.1.1. Immediately after my download update, I noticed the latency in the calendar App that have been mentions in all the threads (including but not limited to locking up and close to a 5 second delay when really doing anything in the calendar). Apple really needs to address any changes that were made to the calendar with this latest update since nothing was documented in the iOS notes on calendar related code changes….because something made it through with this Minor Update!!!

Dec 19, 2021 4:35 PM in response to Jerrylmusic

I've been experiencing this issue for a while now and its just unbearable. Being in management, I rely HEAVILY on my email and calendars. Literally the only solution I've found was to install and use the outlook app. Not ideal being I thoroughly enjoy everything I have being in one place, but at least I can get to and see my appointments as needed. Fingers crossed an update comes soon.

iOS 15.1 Calendar issues for iPhone

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