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 [238888]: [css-grid] Crash on debug changing the style of a positioned element ...

6 edits in trunk [css-grid] Crash on debug changing the style of a positioned element ​https://bugs.webkit.org/show_bug.cgi?id=191473 Reviewed by Dean Jackson and Zalan Bujtas. Source/WebCore: When an box becomes {out-of,in}-flow, it may be...

Javier Fernández05/12/2018

Changeset in webkit [238551]: [css-grid] align-self center and position sticky don't work together ...

7 edits in trunk [css-grid] align-self center and position sticky don't work together ​https://bugs.webkit.org/show_bug.cgi?id=191963 Reviewed by Manuel Rego Casasnovas. LayoutTests/imported/w3c: This change makes several cases of the following...

Javier Fernández27/11/2018

Changeset in webkit [238491]: [css-grid] absolute positioned child is sized wrongly when using ...

7 edits in trunk [css-grid] absolute positioned child is sized wrongly when using auto-fit, generating spurious collapsed tracks ​https://bugs.webkit.org/show_bug.cgi?id=191938 Reviewed by Manuel Rego Casasnovas. LayoutTests/imported/w3c: This...

Javier Fernández26/11/2018

Changeset in webkit [238457]: [css-grid] Implement Baseline Alignment for grid items ...

60 edits14 adds in trunk [css-grid] Implement Baseline Alignment for grid items ​https://bugs.webkit.org/show_bug.cgi?id=145566 Reviewed by Manuel Rego Casasnovas. LayoutTests/imported/w3c: Updated test expectations of severla tests, that are...

Javier Fernández23/11/2018

Changeset in webkit [238441]: Tables with vertical-lr writing-mode doesn't apply correctly ...

7 edits4 adds in trunk Tables with vertical-lr writing-mode doesn't apply correctly vertical-align: baseline ​https://bugs.webkit.org/show_bug.cgi?id=191881 Reviewed by Manuel Rego Casasnovas. Source/WebCore: We should use the font's descent...

Javier Fernández22/11/2018