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Filter doesnt work in calendar

puchu
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June 14, 2026

Hello, for the past few days I’ve been having problems with the filter function. It still works on the board, but in the calendar add-on it has stopped working. Is there some issue, or has the way it works changed?

2 answers

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puchu
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June 14, 2026

Yes, it happens on all boards. I tested it on multiple computers and the effect is always the same. I am using the native Trello Calendar.

The filtering problem only occurs in the Calendar view. It shows the number of filtered cards correctly, but nothing changes in the calendar itself — it still displays all cards.

Previously, when I applied a filter, only the cards matching the filter were shown.

I also tested it in Incognito mode and nothing changed.

However, I discovered something strange: if I apply the filter while in the Board view and then switch to the Calendar view, the filter works correctly. But if I want to change the filter conditions, I have to go back to the Board view, change the filter there, and then switch back to the Calendar view again.

I can also change the filter conditions and then reload the page — after reloading, the filter works correctly.

This does not seem normal.

Andrea Crawford
Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
June 16, 2026

Hi @puchu thank you for reporting this issue with filtering on the calendar power up. I'm able to reproduce the behavior you describe, and I've passed it on to our engineering team. We'll have a fix out shortly! 

 

0 votes
Arkadiusz Wroblewski
Community Champion
June 14, 2026

Hello @puchu 

Hi there,

Does this happen on all boards or just one, and are you using the browser, desktop, or mobile app? Please check if the issue persists in an incognito window or a different browser. Also, are you using the native Trello Calendar or a third-party Power-Up, and does clearing and reapplying the filter right before opening the calendar change anything?

Best,

Arkadiusz 🤠☀️

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