Felix Arntz – @flixos90

Member Since: November 28th, 2012
Location: Zürich, Switzerland
Website: felix-arntz.me
GitHub: felixarntz
Job Title: Developer Programs Engineer
Employer: Google
Find me on:

Bio

Developer Programs Engineer at Google. WordPress Core Committer. Previously Yoast. Runner, musician, movie geek. Aprendiendo español. Fueled by Mountain Dew.

Interests

Music Production. Movies. Brostep. WWE. Cocktails. Soccer. Running.

WordPress Origin Story

September 2012: Started working with WordPress
November 2012: Signed up for wordpress.org
March 2013: Published his first plugin on wordpress.org
October 2014: Reviewed a WordPress book
November 2014: Started working with WordPress multisite
June 2015: Attended his first WordCamp (WCEU in Sevilla)
June 2015: Did his first contribution to WordPress core
October 2015: Became co-organizer of the WordPress meetup Cologne
February 2016: Started contributing to WordPress core regularly
May 2016: Became a component maintainer of Multisite
May 2016: Gave his first session at a WordCamp
September 2016: Became co-organizer of the WordPress meetup Dusseldorf
October 2016: Co-organized WordCamp Cologne
November 2016: Became a WordPress core committer
June 2017: Attended his first WordPress community summit
August 2017: Became a component maintainer of Roles/Capabilities
February 2018: Gave a session at LoopConf
April 2018: Started working part-time at Yoast
April 2018: Became a component maintainer of REST API
November 2018: Started as DPE in the Web Content Ecosystems team at Google

Contributions Sponsored

Felix Arntz contributes 5 hours per week to the Core team.

Contribution History

Core Contributor
Core Contributor
Core Team
Core Team
Documentation Contributor
Documentation Contributor
Meta Contributor
Meta Contributor
Translation Contributor
Translation Contributor
Translation Editor
Translation Editor
WordCamp Organizer
WordCamp Organizer
WordCamp Speaker
WordCamp Speaker
Plugin Developer
Plugin Developer

Activity
Plugins
Favorites

Committed [2193008] to Plugins Trac:
tagged version 1.0.4

5 days ago
Committed [2193007] to Plugins Trac:
updated to version 1.0.4

5 days ago
Committed [2190895] to Plugins Trac:
tagged version 1.0.3

7 days ago
Committed [2190894] to Plugins Trac:
updated to version 1.0.3

7 days ago
Committed [2188593] to Plugins Trac:
tagged version 1.0.2

2 weeks ago
Committed [2188592] to Plugins Trac:
updated to version 1.0.2

2 weeks ago
Committed [2185066] to Plugins Trac:
tagged version 1.0.1

2 weeks ago
Committed [2185065] to Plugins Trac:
updated to version 1.0.1

2 weeks ago
Committed [2184135] to Plugins Trac:
tagged version 1.0.0

3 weeks ago
Committed [2184134] to Plugins Trac:
initial release 1.0.0

3 weeks ago
Wrote a comment on the post Defining Content–Block Areas, on the site Make WordPress Core:
I opened an issue for further discussion of the wp_template approach, and an initial PR…

2 months ago
Posted a reply to Issues with Avada Theme, on the site WordPress.org Forums:
Thanks for the report. The plugin relies on the default content rendering mechanisms WordPress core…

2 months ago
Posted a reply to Blank images in Firefox and Edge, on the site WordPress.org Forums:
Thanks for the report. Can you share some more context on your site, which theme/plugins…

2 months ago
Posted a reply to How to use for theme images?, on the site WordPress.org Forums:
The plugin should actually transform attributes for any image rendered with the WordPress function wp_get_attachment_image().…

2 months ago
Posted a reply to Doesn’t add any attributes to images, on the site WordPress.org Forums:
Thanks for the report. Can you share some more context on your site, which theme/plugins…

2 months ago
Posted a reply to Latest update doesn’t display images on homepage, on the site WordPress.org Forums:
Thanks for the report. Can you share some more context on your site, which theme/plugins…

2 months ago
Posted a reply to JS functions field into WordPress Dashboard for callback actions, resizes…., on the site WordPress.org Forums:
While that might somehow be possible (with onload attribute for example), for this scenario I'd…

2 months ago
Posted a reply to Breaks images… in Chrome, on the site WordPress.org Forums:
Thanks @kristoff-henry. The markup you shared actually looks correct on pageload, but there should be…

2 months ago
Posted a reply to Worst Plugin, on the site WordPress.org Forums:
I'd like to resolve the problem on your site. Can you share some more context?…

2 months ago
Posted a reply to Doens’t work properly in all browsers, on the site WordPress.org Forums:
Can you share some more context? Which theme/plugins are you using on the site? Would…

2 months ago
Posted a reply to Breaks images and other things, on the site WordPress.org Forums:
Can you share a bit more context about these sites? Which theme/plugins are they using?…

2 months ago
Posted a reply to Not seeing errors, but Lighthouse doesn’t see images lazy loading, on the site WordPress.org Forums:
That's odd. Can you tell me which theme and plugins you are using? I wonder…

2 months ago
Posted a reply to Not seeing errors, but Lighthouse doesn’t see images lazy loading, on the site WordPress.org Forums:
I'm curious what's causing this. What does the HTML markup of some of the images…

2 months ago
Posted a reply to Breaks images… in Chrome, on the site WordPress.org Forums:
The 1.0.1 release I just pushed improves compatibility with certain scenarios possibly related to what…

2 months ago
Posted a reply to Images Disappear, on the site WordPress.org Forums:
The 1.0.1 release I just pushed improves compatibility with certain scenarios possibly related to what…

2 months ago
Posted a reply to Images not visible in Chrome 76, on the site WordPress.org Forums:
The 1.0.1 release I just pushed improves compatibility with certain scenarios possibly related to what…

2 months ago
Posted a reply to Breaks images… in Chrome, on the site WordPress.org Forums:
Do you have the following Autoptimize option enabled? If so, that is what's most likely…

2 months ago
Posted a reply to Images Disappear, on the site WordPress.org Forums:
Regarding Autoptimize, do you have the following option enabled? If so, that is what's most…

2 months ago
Posted a reply to Breaks images… in Chrome, on the site WordPress.org Forums:
Potentially Autoptimize messes up the script included by the Native Lazyload plugin. Do you find…

2 months ago
Posted a reply to Images Disappear, on the site WordPress.org Forums:
Which browser did you encounter this on? It appears to work when I access the…

2 months ago
Posted a reply to Images not visible in Chrome 76, on the site WordPress.org Forums:
You may wanna report this as a bug. This may not be an error actually.…

2 months ago
Posted a reply to Native Lazyload and AMP, on the site WordPress.org Forums:
The plugin only affects non-AMP pages, since AMP already has lazy-loading built-in anyway. The plugin…

2 months ago
Posted a reply to Images not visible in Chrome 76, on the site WordPress.org Forums:
That likely indicates something in your theme is broken. The only reason a no-js class…

2 months ago
Posted a reply to No changes!, on the site WordPress.org Forums:
Thanks for the review. I'm not sure what's happening, can you share some more context?…

2 months ago
Posted a reply to Breaks images… in Chrome, on the site WordPress.org Forums:
Thanks for the report. I'd like to figure out your issue and fix it. Can…

2 months ago
Posted a reply to Images not visible in Chrome 76, on the site WordPress.org Forums:
@markhowellsmead Looking at the source code, I'm curious whether the no-js class on the html…

2 months ago
Posted a reply to Oxygen Builder (and anything not using the_content() filter), on the site WordPress.org Forums:
Hey there, thanks for the report. Unfortunately, supporting completely custom content creation mechanisms that don't…

2 months ago
Posted a reply to Breaks Soliloquy sliders, on the site WordPress.org Forums:
Thanks for the report! Do you happen to know if Soliloquy adds a specific CSS…

2 months ago
Posted a reply to lazy load feature in Jetpack, on the site WordPress.org Forums:
Hey there, Jetpack's lazy loading mechanism is an alternative to this plugin (without the native…

2 months ago
Posted a reply to Also an issue with Recent Posts FlexSlider by WooThemes, on the site WordPress.org Forums:
For sliders, I recommend skipping the images from being lazy-loaded, by adding a CSS class…

2 months ago
Posted a reply to Doesn’t lazyload the RSS Widget image, on the site WordPress.org Forums:
Unfortunately there is no way to filter the output of that widget, so that image…

2 months ago
Posted a reply to Do I need this with WP Rocket?, on the site WordPress.org Forums:
WP Rocket itself does not include lazy-loading I believe, so in that case it would…

2 months ago
Posted a reply to AMP not support, on the site WordPress.org Forums:
This plugin supports AMP via the official AMP plugin https://wordpress.org/plugins/amp/ This plugin is developed in…

2 months ago
Posted a reply to Support for Google Site Kit, on the site WordPress.org Forums:
Thanks for the kind nudge! :) It doesn't yet, but it totally should. I opened…

2 months ago
Posted a reply to Images not visible in Chrome 76, on the site WordPress.org Forums:
> JavaScript is activated, although this shouldn’t need JavaScript, should it, if the feature is…

2 months ago
Posted a reply to Images not visible in Chrome 76, on the site WordPress.org Forums:
Can you share some context about your environment? What browser are you using? Do you…

2 months ago
Closed ticket #47014, in Core Trac:
Tag balancing corrupts Custom Elements

3 months ago
Committed [45929] to Core Trac:
Formatting: Improve accuracy of `force_balance_tags()` and add support ...

3 months ago
Closed ticket #42251, in Core Trac:
Cache not found values for sites and network lookups by ID

3 months ago
Committed [45910] to Core Trac:
Multisite: Improve performance by caching not found lookups for sites ...

3 months ago