How to set default slides per row?

The slide sorter view in impress always opens with 4 slides per row. I’d like to have it open with more. How can I set the default value? There doesn’t seem to be a setting for this in Options - Impress.

Hi @holy-harp, you can set that in the toolbar “Standard”. Here e.g. with 6 slides.

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With me Windows 10, Version 1809, 64-Bit | LibreOffice, Version: 6.1.4.2 (x64).