Javier Fernández

A Coruña (Spain)

I have been working at Igalia since January 2003, and people usually call me JaviF (Javi Fisterra) or jfernandez.

Latest Updates

Javier Fernández 07/11/2018

CSS Grid on LayoutNG: a Web Engines Hackfest story

I had the pleasure to attend the Web Engines Hackfest last week, hosted and organized by Igalia in its HQ in A Coruña. I’m really proud of what we are achieving with this event, thank so much to everybody involved in the organization but,...

Javier Fernández 03/05/2017

Can I use CSS Box Alignment ?

As a member of the Igalia’s team implementing the CSS Grid Layout feature for Blink and WebKit rendering engines, I’m very proud of what we’ve achieved from our collaboration with Bloomberg. I think Grid is a very interesting feature for...

Javier Fernández 09/10/2016

Web Engines Hackfest 2016

Last week I attended the Web Engines Hackfest 2016, hosted by Igalia at the HQ premises in A Coruña. For those still unaware, it’s a unconference like event focused on pure hacking and technical discussions about the main Web Engines supporting the...

Javier Fernández 24/06/2015

Performance on Grid Layout

Now that we have a quite complete implementation of CSS Grid Layout specification it’s time to take care of performance analysis and optimizations. In this essay, which is the first of a series of posts about performance, I’ll first introduce...

Javier Fernández 01/06/2015

Distributing tracks along Grid Layout container

In my last post I introduced the concept of Content Distribution alignment and how it affects Grid Layout implementation. At that time, it was possible to use all the <content-position> values to select grid tracks position inside a grid...

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Changeset in webkit [230848]: Update Alignment shorthands to the spec now that they are not ...

28 edits10 adds in trunk Update Alignment shorthands to the spec now that they are not ambiguous ​https://bugs.webkit.org/show_bug.cgi?id=184812 Reviewed by Antti Koivisto. LayoutTests/imported/w3c: Imported new Web Platform Tests from the...

Javier Fernández20/04/2018

Changeset in webkit [228319]: [css-align] Implement the new behavior of 'legacy' for justify-items ...

27 edits1 add in trunk [css-align] Implement the new behavior of 'legacy' for justify-items ​https://bugs.webkit.org/show_bug.cgi?id=172712 Reviewed by Antti Koivisto. LayoutTests/imported/w3c: Rebaselined Default Alignment related tests because...

Javier Fernández09/02/2018

Changeset in webkit [227947]: inline-block baseline not computed correctly for vertical-lr ...

20 edits17 adds in trunk inline-block baseline not computed correctly for vertical-lr ​https://bugs.webkit.org/show_bug.cgi?id=170176 Reviewed by Manuel Rego Casasnovas. Source/WebCore: When computing the baseline position of inline-block...

Javier Fernández01/02/2018

Changeset in webkit [227786]: [css-align] The 'baseline' value must be invalid for the ...

52 edits54 adds in trunk [css-align] The 'baseline' value must be invalid for the 'justify-content' property ​https://bugs.webkit.org/show_bug.cgi?id=181794 Reviewed by Antti Koivisto. LayoutTests/imported/w3c: Adapted the test cases using ...

Javier Fernández30/01/2018

Changeset in webkit [227432]: [css-align] 'left' and 'right' should parse as invalid in ...

19 edits42 copies72 adds1 delete in trunk [css-align] 'left' and 'right' should parse as invalid in block/cross-axis alignment ​https://bugs.webkit.org/show_bug.cgi?id=181792 Reviewed by Antti Koivisto. LayoutTests/imported/w3c: Imported new Web...

Javier Fernández23/01/2018