Missing Spacing Options

Hello,lbendlin ,thanks for your concern about this issue.

Your answer is excellent!
And I would like to share some additional solutions below.
Hi,Siops .I am glad to help you.
The power BI desktop has been updated for the Format visual ribbon presentation, which may have resulted in the removal or renaming of the original functionality.
Below is my test:
You can control the spacing of the bars (columns) between categories by adjusting the “Space between categories” & “Space between series” or by referring to the documentation help provided below.

In the meantime, I hope the following documentation and related issues will be of help to you.
URL:

Customize X-axis and Y-axis properties - Power BI | Microsoft Learn
Format column and bar charts - Power BI | Microsoft Learn
Introducing the New Format Pane (Preview) | Microsoft Power BI Blog | Microsoft Power BI
 

I hope my suggestions give you good ideas, if you have any more questions, please clarify in a follow-up reply.

Best Regards,

Carson Jian,

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