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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Merged pull request #813 into WordPress/plugin-check:
Fix PHPCS checks on unwritable filesystems. -
Closed issue #1032 on the WordPress/performance repository:
Enhance onboarding experience for Performance Lab -
Submitted pull request #7899 to WordPress/wordpress-develop:
Explore using the Popover API in Twenty Fifteen theme -
Submitted pull request #7860 to WordPress/wordpress-develop:
Add speculative loading support -
Created ticket #62503 on Core Trac:
Add speculative loading support -
Pull request #1684 merged into WordPress/performance:
Merge 3.6.1 release changes back into `trunk` -
Submitted pull request #1684 to WordPress/performance:
Merge 3.6.1 release changes back into `trunk` -
Merged pull request #1678 into WordPress/performance:
Prepare 3.6.1 release -
Mentioned in [59435] on Core SVN:
Media: Avoid images with `sizes=auto` to be displayed downsized in supporting browsers. -
Submitted pull request #1678 to WordPress/performance:
Prepare 3.6.1 release -
Closed issue #1660 on the WordPress/performance repository:
Activating multiple features / plugins sequentially fails to activate some features /... -
Created issue #1677 in the WordPress/performance repository:
Prepare 3.6.1 release -
Merged pull request #1675 into WordPress/performance:
Activating multiple features / plugins sequentially fails to activate some features /... -
Committed [3192502] to Plugins SVN:
Update to version 0.3.0 from GitHub -
Reopened ticket #62413 on Core Trac:
WordPress 6.7 Auto-sizes Reducing Image Sizes -
Closed pull request #7813 on WordPress/wordpress-develop:
Print CSS rule to fix potential visual issues with auto-sizes -
Closed ticket #62413 on Core Trac:
WordPress 6.7 Auto-sizes Reducing Image Sizes -
Committed [59415] to Core SVN:
Media: Avoid images with `sizes=auto` to be displayed downsized in ... -
Submitted pull request #1666 to WordPress/performance:
Only check plugin version integrity in deployment workflow if the plugin actually... -
Closed issue #1645 on the WordPress/performance repository:
Prepare PL 3.6 release -
Submitted pull request #1665 to WordPress/performance:
Merge 3.6.0 release back into `trunk` -
Merged pull request #1664 into WordPress/performance:
Remove problematic n.e.x.t readme changelog entries -
Submitted pull request #1664 to WordPress/performance:
Remove problematic n.e.x.t readme changelog entries -
Merged pull request #1657 into WordPress/performance:
Prepare 3.6.0 release -
Closed pull request #7812 on WordPress/wordpress-develop:
Don't apply auto-sizes if there is no width and add filter for... -
Merged pull request #1663 into WordPress/performance:
Merge latest changes to feature branch -
Merged pull request #1662 into WordPress/performance:
Rename `webp_uploads_get_file_mime_type` to `webp_uploads_get_attachment_file_mime_type` to clarify scope -
Closed issue #1583 on the WordPress/performance repository:
Use AJAX for activating features / plugins in Performance Lab -
Merged pull request #1646 into WordPress/performance:
Use AJAX for activating features / plugins in Performance Lab -
Submitted pull request #7813 to WordPress/wordpress-develop:
Print CSS rule to fix potential visual issues with auto-sizes -
Pull request #785 merged into WordPress/plugin-check:
Ensure runtime environment is set up before testing `Universal_Runtime_Preparation` -
Submitted pull request #785 to WordPress/plugin-check:
Ensure runtime environment is set up before testing `Universal_Runtime_Preparation` -
Closed issue #1615 on the WordPress/performance repository:
Optimization Detective should be automatically installed and activated when activating Embed Optimizer -
Closed issue #1459 on the WordPress/performance repository:
Speculative Loading readme needs improvement -
Merged pull request #1638 into WordPress/performance:
Improve docs in speculative loading plugin readme -
Mentioned in [59381] on Core SVN:
Media: Remove dimension suffix from full size converted HEIC images. -
Mentioned in [59379] on Core SVN:
Media: Remove dimension suffix from full size converted HEIC images. -
Submitted pull request #1638 to WordPress/performance:
Improve docs in speculative loading plugin readme -
Closed ticket #62345 on Core Trac:
Issue on Google Chrome with lazy=load images = sizes=auto + css ... -
Mentioned in [59367] on Core SVN:
Media: Fix converting of all HEIC/HEIF images to JPEGs after uploading regardless of dimensions. -
Closed pull request #7736 on WordPress/wordpress-develop:
Only convert image if the output MIME type is different from the... -
Committed [59366] to Core SVN:
Media: Only mark an image as requiring conversion if the output format ... -
Submitted pull request #66801 to WordPress/gutenberg:
Avoid using width: fit-content for images that use auto-sizes -
Submitted pull request #7736 to WordPress/wordpress-develop:
Only convert image if the output MIME type is different from the... -
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
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Keyring
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