Chromium supposedly implemented Knuth-Plass for CSS's "text-wrap: balance", but reading the end of the tracking bug [0] it seems it stops at six lines? (Design doc: [1])

[0] https://issues.chromium.org/issues/40270471 [1] https://docs.google.com/document/d/1jJFD8nAUuiUX6ArFZQqQo8yT...