To improve user experience in dashboards with multiple columns, the new layout options for dashboards allow you to set the even column width for dashboards with two or three columns.
For example:
Usability Improvements for Dashboards with Two or Three Columns
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Huge Like - great addition to the dashboard functionality.
Thenk we're just missing the ability to have 4 and 5 "small" gauge-like elements next to each other