Incorrectly displayed theme

Do you want to: Report a bug
OS version: Windows 11
App version: (x64 exe)
Downloaded from: ONLYOFFICE website

I recently encounter incorrectly displayed theme in OnlyOffice, the slides were created in PowerPoint Online using “Design Ideas” feature, some slide works fine some don’t could You please take a look on it:

Proper display (PowerPoint Online):

Incorrect one (OnlyOffice):

Some slides works fine (“Design Ideas” used as well):

Here is a file if You want to perform some tests on it:
Presentation.pptx (757.1 KB)

If something is unclear or You have some questions, please feel free to contact me.

Hello @dedoci

We are taking closer look at this behavior. I will inform you about the results.

I found out that this is a known issue so we added your query to it. Thank you for the report. and sorry for the inconvenience caused.