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
-
Mentioned in [59359] on Core SVN:
Performance: reuse block metadata in `WP_Theme_JSON::get_valid_block_style_variations()` -
Committed [3182563] to Plugins SVN:
Updating readme/assets from GitHub -
Committed [3182562] to Plugins SVN:
Updating readme/assets from GitHub -
Committed [3182561] to Plugins SVN:
Updating readme/assets from GitHub -
Committed [3182559] to Plugins SVN:
Updating readme/assets from GitHub -
Pull request #768 merged into WordPress/plugin-check:
Always use prefixed tables during runtime check requests -
Submitted pull request #768 to WordPress/plugin-check:
Always use prefixed tables during runtime check requests -
Committed [3181714] to Plugins SVN:
Update to version 0.2.0 from GitHub -
Pull request #751 merged into WordPress/plugin-check:
Fix addon checks not being executed when running runtime checks -
Pull request #749 merged into WordPress/plugin-check:
CLI: Fix confusing runtime environment setup order -
Submitted pull request #751 to WordPress/plugin-check:
Fix addon checks not being executed when running runtime checks -
Created issue #750 in the WordPress/plugin-check repository:
Runtime checks that simulate frontend request not reliable in AJAX based workflow -
Submitted pull request #749 to WordPress/plugin-check:
CLI: Fix confusing runtime environment setup order -
Committed [3173921] to Plugins SVN:
Updating readme/assets from GitHub -
Mentioned in [59269] on Core SVN:
Bundled Themes: Update Twenty Twenty-Five for 6.7 RC 1. -
Created ticket #62267 on Core Trac:
Allow registering block type collections with a single function call -
Committed [3171772] to Plugins SVN:
Update to version 0.1.1 from GitHub -
Committed [3171770] to Plugins SVN:
Updating readme/assets from GitHub -
Wrote a comment on the post New block type registration APIs to improve performance in WordPress 6.7, on the site Make WordPress Core:
There are several alternatives to measure PHP performance, so no one-size-fits-all approach. We have documented… -
Wrote a comment on the post New block type registration APIs to improve performance in WordPress 6.7, on the site Make WordPress Core:
This would definitely be possible and would help performance a lot too. There's actually a… -
Wrote a comment on the post New block type registration APIs to improve performance in WordPress 6.7, on the site Make WordPress Core:
This is worth discussing, feel free to open a Core Trac ticket for this. The… -
Wrote a new post, New block type registration APIs to improve performance in WordPress 6.7, on the site Make WordPress Core:
WordPress 6.7 introduces a new function wp_register_block_metadata_collection() which allows plugins to improve the performance of… -
Pull request #722 merged into WordPress/plugin-check:
Modifies i18n_usage check to consider explicit default textdomain usage a warning -
Mentioned in [59242] on Core SVN:
Networks and Sites: Relocate defintion of `absint()`. -
Submitted pull request #722 to WordPress/plugin-check:
Modifies i18n_usage check to consider explicit default textdomain usage a warning -
Mentioned in [59217] on Core SVN:
Build/Test Tools: Fix Performance Test workflows on release branches. -
Mentioned in [59214] on Core SVN:
Build/Test Tools: Fix Performance GH workflows on release branches. -
Created issue #713 in the WordPress/plugin-check repository:
Plugin i18n check complains about `default` text domain -
Closed pull request #7486 on WordPress/wordpress-develop:
Improve performance of `WP_Theme_JSON::merge` when merging background styles -
Closed ticket #61858 on Core Trac:
Background images: resolve ref and ensure appropriate default values -
Committed [59213] to Core SVN:
Themes: Improve performance of applying background image styles in ... -
Committed [3165907] to Plugins SVN:
Updating readme/assets from GitHub -
Committed [3165883] to Plugins SVN:
Update to version 0.1.0 from GitHub -
Mentioned in [59198] on Core SVN:
Role/Capability: Introduce the `current_user_can_for_site()` and `user_can_for_site()` functions. -
Created issue #1583 in the WordPress/performance repository:
Use AJAX for activating features / plugins in Performance Lab -
Closed ticket #54172 on Core Trac:
Twenty Fifteen: Replace frontend jQuery usage with Interactivity API -
Wrote a comment on the post Proposal: Create connections between Performance Team and Hosts, on the site Make WordPress Core:
Thank you Anne for kicking this off. I would welcome a place for closer collaboration… -
Mentioned in [59189] on Core SVN:
Media: Cache the results of _wp_image_editor_choose. -
Submitted pull request #1578 to WordPress/performance:
Enhance Server-Timing implementation to support new Chrome DevTools Performance Panel integration -
Closed pull request #7490 on WordPress/wordpress-develop:
Pass `CODEVITALS_PROJECT_TOKEN` from root workflow to reusable workflow -
Closed ticket #62153 on Core Trac:
Fix recording Performance Test results -
Committed [59170] to Core SVN:
Build/Test Tools: Resolve access failure to continue sending commit ... -
Closed issue #687 on the WordPress/plugin-check repository:
Add Security checks to Plugin REPO Category -
Merged pull request #688 into WordPress/plugin-check:
Add Security checks to plugin repo category -
Closed issue #140 on the WordPress/plugin-check repository:
Add copy to the page to make it more user friendly -
Merged pull request #686 into WordPress/plugin-check:
Description in admin page -
Closed pull request #7493 on WordPress/wordpress-develop:
Test for GH workflow -
Submitted pull request #7493 to WordPress/wordpress-develop:
Test for GH workflow -
Closed pull request #7492 on WordPress/wordpress-develop:
Test for GH workflow -
Submitted pull request #7492 to WordPress/wordpress-develop:
Test for GH workflow
Developer
-
Attachment Taxonomies
Active Installs: 1,000+
-
Bootstrap for Contact Form 7
Active Installs: 10,000+
-
Fast Smooth Scroll
Active Installs: 100+
-
Flush Transients
Active Installs: Less than 10
-
Native Lazyload
Active Installs: 8,000+
-
Share Target
Active Installs: Less than 10
-
Site Kit by Google - Analytics, Search Console, AdSense, Speed
Active Installs: 4+ million
-
WP-API JSON Feed
Active Installs: 40+
Contributor
-
Lazy Loading Feature Plugin
Active Installs: 500+
-
WP Multi Network
Active Installs: 100+
Support Rep
-
Performance Lab
Active Installs: 100,000+
Plugins
-
Akismet Anti-spam: Spam Protection
-
AMP
-
Contact Form 7
-
Easy Digital Downloads – eCommerce Payments and Subscriptions made easy
-
Edit Author Slug
-
ElasticPress
-
Email Template Designer - WP HTML Mail
-
Gmail SMTP - WordPress SMTP Plugin for Gmail
-
HyperDB
-
Keyring
-
MultilingualPress
-
One Click Demo Import
-
Perfect Images (Manage Image Sizes, Thumbnails, Replace, Retina)
-
Plugin Detective - Troubleshooting Conflicts
-
Query Monitor - The developer tools panel for WordPress
-
Rate
-
Redis Object Cache
-
Regenerate Thumbnails
-
SportsPress - Sports Club & League Manager
-
Stream
-
Subtitles
-
SyntaxHighlighter Evolved
-
The SEO Framework – Fast, Automated, Effortless.
-
WP Event Calendar
-
WP Multi Network
-
WP Redis
-
WP Spider Cache
-
WP User Activity
-
WP User Profiles
Deutsch (German) Plugins Translation Editor - #de_DE
-
AMP
Active Installs: 500,000+
-
Attachment Taxonomies
Active Installs: 1,000+
-
Bootstrap for Contact Form 7
Active Installs: 10,000+
-
GiveWP – Donation Plugin and Fundraising Platform
Active Installs: 100,000+
-
WP User Activity
Active Installs: 400+
-
WP User Profiles
Active Installs: 400+