Felix Arntz
@flixos90 on WordPress.org and Slack
Bio
Interests
Contributions Sponsored
- Member Since: November 28th, 2012
- Location: San Francisco, USA
- Website: felix-arntz.me
- GitHub: felixarntz
- Job Title: Senior Software Engineer
- Employer: Google
Contribution History
Felix Arntz’s badges:- Core Contributor
- Core Performance Contributor
- Core Performance Team
- Core Team
- Documentation Contributor
- Meta Contributor
- Plugin Developer
- Translation Contributor
- Translation Editor
- WordCamp Organizer
- WordCamp Speaker
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Submitted pull request #68755 to WordPress/gutenberg:
Try using popover API for navigation block (WIP) -
Mentioned in [59662] on Core SVN:
Editor: Improve consistency of `render_block_context` filter. -
Submitted pull request #68726 to WordPress/gutenberg:
Try using popover API for image lightbox -
Submitted pull request #68725 to WordPress/gutenberg:
Try using `dialog` element for image lightbox -
Submitted pull request #8131 to WordPress/wordpress-develop:
Explore view transitions in Twenty Fifteen for post title and featured image... -
Mentioned in [59631] on Core SVN:
Options/Meta APIs: Optimize cache hits for non-existent options. -
Submitted pull request #8130 to WordPress/wordpress-develop:
Relax allowed path restrictions for block metadata collections and make the allowed... -
Submitted pull request #8129 to WordPress/wordpress-develop:
Implement a mechanism to register all block types from a block metadata... -
Closed pull request #8021 on WordPress/wordpress-develop:
62292 warning in wp rest posts controllerget items -
Closed ticket #62292 on Core Trac:
Warning in WP_REST_Posts_Controller::get_items() -
Committed [59630] to Core SVN:
REST API: Fix PHP warning about undefined `paged` argument in various ... -
Closed ticket #36242 on Core Trac:
wpdb set_sql_mode add param -
Created issue #1798 in the WordPress/performance repository:
PNG conversion to AVIF / WebP does not work reliably -
Created issue #1796 in the WordPress/performance repository:
Prepare PL 3.8 Release -
Wrote a new post, Core Performance Team Rep nominations for 2025, on the site Core Performance:
This post kicks off the formal election process with a call for nominations for the… -
Closed issue #1157 on the WordPress/performance repository:
Speculative loading considerations -
Merged pull request #1784 into WordPress/performance:
Implement speculative loading considerations for safer behavior -
Submitted pull request #1784 to WordPress/performance:
Implement speculative loading considerations for safer behavior -
Committed [3219864] to Plugins SVN:
Update to version 0.4.0 from GitHub -
Reviewed 5 strings on translate.wordpress.org.
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Wrote a comment on the post PTE Request for AI Services (`ai-services`) and Snow Fall (`snow-fall`), on the site Translate WordPress:
Muchas gracias! -
Wrote a comment on the post PTE Request for AI Services (`ai-services`) and Snow Fall (`snow-fall`), on the site Translate WordPress:
Danke! -
Closed pull request #8072 on WordPress/wordpress-develop:
Performance tests: Fix date time log for commit -
Closed ticket #62766 on Core Trac:
Build/Test Tools: Fix the date time log for performance tests commit -
Committed [59582] to Core SVN:
Build/Test Tools: Fix incorrect commit time being reported to ... -
Closed issue #1259 on the WordPress/performance repository:
Improve image handling approach in Modern Image Formats -
Merged pull request #1772 into WordPress/performance:
Switch to wp_content_img_tag filter for Improved Image Handling -
Mentioned in [59577] on Core SVN:
Build/Test Tools: Expand performance tests setup. -
Mentioned in [59576] on Core SVN:
Comments: Noindex pages containing unapproved comments. -
Reopened pull request #8072 on WordPress/wordpress-develop:
Performance tests: Fix date time log for commit -
Committed [59571] to Core SVN:
Build/Test Tools: Revert [59570]. The fix did not work properly and ... -
Reopened ticket #62766 on Core Trac:
Build/Test Tools: Fix the date time log for performance tests commit -
Closed pull request #8072 on WordPress/wordpress-develop:
Performance tests: Fix date time log for commit -
Closed ticket #62766 on Core Trac:
Build/Test Tools: Fix the date time log for performance tests commit -
Committed [59570] to Core SVN:
Build/Test Tools: Fix incorrect commit time being reported to ... -
Pull request #1666 merged into WordPress/performance:
Only check plugin version integrity in deployment workflow if the plugin actually... -
Committed [3210901] to Plugins SVN:
Update to version 1.0.1 from GitHub -
Committed [3210897] to Plugins SVN:
Updating readme/assets from GitHub -
Committed [3210893] to Plugins SVN:
Updating readme/assets from GitHub -
Translated 28 strings on translate.wordpress.org.
-
Wrote a new post, PTE Request for AI Services (`ai-services`) and Snow Fall (`snow-fall`), on the site Translate WordPress:
I am the plugin author for `ai-services` and `snow-fall`. I would like to be translation… -
Submitted pull request #8026 to WordPress/wordpress-develop:
Experiment with cross-document view transitions in Twenty Fifteen theme -
Committed [3210302] to Plugins SVN:
Updating readme/assets from GitHub -
Submitted pull request #68097 to WordPress/gutenberg:
Introduce `withSyncEvent` action wrapper utility and proxy `event` object whenever it is... -
Merged pull request #1756 into WordPress/performance:
Account for $meta arg in wp_prepare_attachment_for_js not being an array -
Suggested 68 strings on translate.wordpress.org.
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Committed [3209721] to Plugins SVN:
Updating readme/assets from GitHub -
Committed [3209672] to Plugins SVN:
Update to version 1.0.0 from GitHub -
Committed [3209671] to Plugins SVN:
Upload assets -
Mentioned in [59524] on Core SVN:
Build/Test Tools: Add Twenty Twenty-Five to the Performance Tests.
Developer
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Attachment Taxonomies
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Bootstrap for Contact Form 7
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Native Lazyload
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Site Kit by Google - Analytics, Search Console, AdSense, Speed
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Snow Fall
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WP-API JSON Feed
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Contributor
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Lazy Loading Feature Plugin
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WP Multi Network
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Support Rep
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Performance Lab
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Plugins
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Akismet Anti-spam: Spam Protection
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AMP
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Contact Form 7
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Easy Digital Downloads – eCommerce Payments and Subscriptions made easy
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Edit Author Slug
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ElasticPress
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Email Template Designer - WP HTML Mail
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Gmail SMTP
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HyperDB
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Keyring
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MultilingualPress
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One Click Demo Import
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Perfect Images
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Plugin Detective - Troubleshooting Conflicts
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Query Monitor - The developer tools panel for WordPress
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Rate
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Redis Object Cache
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Regenerate Thumbnails
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SportsPress - Sports Club & League Manager
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Stream
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Subtitles
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SyntaxHighlighter Evolved
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The SEO Framework – Fast, Automated, Effortless.
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WP Event Calendar
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WP Multi Network
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WP Redis
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WP Spider Cache
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WP User Activity
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WP User Profiles
Deutsch (German) Plugins Translation Editor - #de_DE
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AI Services
Active Installs: 10+
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AMP
Active Installs: 500,000+
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Attachment Taxonomies
Active Installs: 900+
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Bootstrap for Contact Form 7
Active Installs: 10,000+
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GiveWP – Donation Plugin and Fundraising Platform
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Snow Fall
Active Installs: 100+
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WP User Activity
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WP User Profiles
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Español de Perú (Spanish (Peru)) Plugins Translation Editor - #es_PE
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AI Services
Active Installs: 10+
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Snow Fall
Active Installs: 100+