Did these designs crack the code to wood towers?

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Substantial building substantially of wood-- floors and columns both. Kind of a throwback to old industrial architecture in some ways, only minus all the unreinforced masonry and with a raft of differences in composition of wood, connectors etc.

The steel inserts look as though they're intended to resist seismic motion.

N. Lake Union, Seattle. Background at linked article.

https://news.theregistryps.com/groundbreaking-for-167000-sqft-multi-use-project-launches-new-era-for-seattles-north-lake-union-neighborhood

#MassTimberConstruction

Groundbreaking for 167,000 SQFT Multi-Use Project Launches New Era for Seattle’s North Lake Union neighborhood - The Registry

Northlake Commons, Dunn Lumber, Weber Thompson, Spear Street Capital, Hess Callahan Grey Group, Seattle, JLL

The Registry