Hi, I found a Bug in new Preview App on MacOS 26 release, while adding a new calendar entry.
If I click on a date inside a PDF file in Preview App, the calendar view pops and prompts to add a new calendar event. The background, which I guess should show the calendar, is showing a yellow screen. See images below.
This happens on both my M1 Air and M4 Pro Macbook.
Kind regards, Lorenz