[karlshea]

What you’re looking for is described in the article as “bricks” (vs “waterfall”) and is also supported.

[notpushkin]

Not quite – “bricks” would have a jagged edge on the right side, while “justified gallery” libraries produce even rows of the same length (but slightly different height), e.g. https://justifiedgallery.com/ or https://miromannino.github.io/Justified-Gallery/