This updates the behavior of percentage row tracks and gutters in grid containers with indefinite heights. Previously, these were behaving similarly to percentage heights in regular blocks, but the CSS WG has resolved to make them behave the same as for columns, making them symmetric. Percentages are now ignored when computing intrinsic height and resolved afterwards against that height. That way both column and row axes will have symmetric behavior to resolve percentages tracks and gutters.
Specification currently under development in a Working Group
Status in Chromium
Enabled by default
Consensus & Standardization
Last updated on 2020-11-19