Firefox 64.0.2 incorrectly renders 'grid-auto-rows' value having a 2-track listing

[SSteven 1]

My CSS for a grid layout is as follows:

      .grd
      {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 100px 200px;
        grid-gap: 10px;

        border: 2px solid #f76707;		/* orange */
        border-radius: 5px;
        background-color: #fff4e6;		/* pale orange */
      }

https://jsfiddle.net/SSteven/bdza8sxf/

This should make Implicitly-created rows display with heights of 100px, 200px, and so on in a 2-row track repeating pattern.

However, this doesn't happen on Firefox 64.0.2 (32-bit version), which instead displays the 2 rows with the same height.

Why does this happen? I thought Firefox fully supported CSS grid. https://caniuse.com/#feat=css-grid

Chrome renders the rows correctly, though.

 

Edited January 28 by SSteven
case

[dsonesuk 846]

It looks as though Firefox don't support multiple value for grid-auto yet!, but does using the method of  grid-template-rows: 100px 200px;

[SSteven 1]

dsonesuk, I understand that Chrome pioneered the concept of "evergreen browser". Firefox and Edge lag behind Chrome in this regard. Also (as I already mentioned), Chrome supports multi-track listings in the grid-auto-rows property.

Therefore, should Chrome usage be preferred over other browsers?

[Ingolme 939]

I generally prefer to support the least common denominator to give the users of my website the best experience regardless of which browser they're using.

[dsonesuk 846]

12 hours ago, SSteven said:

Firefox and Edge lag behind Chrome in this regard. Also (as I already mentioned),

I wouldn't say that is true, as new features are introduced Firefox is usually pretty quick to implement them.

Also if you have the superhuman power to force everyone to use Chrome, go for it! But! Wouldn't be better to use the option of using the grid-auto-row: and grid-template-row: in this order that will end up giving the same result in all browsers.

[SSteven 1]

OK, got it. Thanks for the inputs.