Felix Arntz
@flixos90 on WordPress.org and Slack
- Member Since: November 28th, 2012
- Location: San Francisco, USA
- Website: felix-arntz.me
- GitHub: felixarntz
- Job Title: Developer Relations Engineer
- Employer: Google
Bio
Interests
Contributions Sponsored
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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Closed issue #477 on the WordPress/performance repository:
Fetchpriority - add a `fetchpriority=high` attribute to the non-lazy image(s) -
Merged pull request #528 into WordPress/performance:
Implement new experimental `fetchpriority` module -
Closed issue #41783 on the WordPress/gutenberg repository:
wp-block-post-featured-image missing the lazy attribute -
Closed issue #576 on the WordPress/performance repository:
Prepare 1.7.0 release -
Merged pull request #584 into WordPress/performance:
Merge 1.7.0 back into `trunk` -
Submitted pull request #584 to WordPress/performance:
Merge 1.7.0 back into `trunk` -
Merged pull request #583 into WordPress/performance:
Prepare the 1.7.0 release -
Submitted pull request #583 to WordPress/performance:
Prepare the 1.7.0 release -
Created issue #45912 in the WordPress/gutenberg repository:
Control whether theme (e.g. `theme.json`) cache usage is enabled through a dedicated... -
Closed issue #577 on the WordPress/performance repository:
Revise "Dominant Color" styling and inline styling -
Submitted pull request #45828 to WordPress/gutenberg:
Do not unnecessarily pass post ID to various query loop aware functions -
Merged pull request #45534 into WordPress/gutenberg:
Ensure post-featured-image block is in_the_loop() for BC with core and plugins, and... -
Closed issue #563 on the WordPress/performance repository:
Change default WebP quality to 82 -
Merged pull request #571 into WordPress/performance:
Change WP Image editor quality for mime types -
Closed issue #562 on the WordPress/performance repository:
With Dominant Color enabled, loses focal point settings -
Merged pull request #582 into WordPress/performance:
Fix image focal point bug when dominant color is enabled by not... -
Closed pull request #573 on WordPress/performance:
Remove unnecessary leftover CSS for dominant color backgrounds on images -
Wrote a new post, Performance Chat Summary: 15 November 2022, on the site Make WordPress Core:
The full chat log is available beginning here on Slack. Announcements Excellent update on the… -
Mentioned in [54822] on Core SVN:
Editor: Correctly style separator blocks when only a `background-color` is defined. -
Mentioned in [54821] on Core SVN:
Editor: Correctly style separator blocks when only a `background-color` is defined. -
Mentioned in [54818] on Core SVN:
Themes: Reduce usage of `wp_get_theme` function. -
Closed pull request #3522 on WordPress/wordpress-develop:
Backport: Gutenberg 43660 - Separator color bugfix -
Submitted pull request #3608 to WordPress/wordpress-develop:
Backport: Gutenberg 43660 - Separator color bugfix (update) -
Mentioned in [54817] on Core SVN:
Themes: Reduce usage of `wp_get_theme` function. -
Mentioned in [54807] on Core SVN:
Media: Prevent decoding attribute corrupting JSON data. -
Mentioned in [54806] on Core SVN:
I18N: Initialize textdomain registry in `wp_load_translations_early()`. -
Closed ticket #56974 on Core Trac:
Improve performance of the WP_Theme_JSON class -
Committed [54805] to Core SVN:
Editor: Improve performance of `WP_Theme_JSON` class by reducing usage ... -
Reopened ticket #56974 on Core Trac:
Improve performance of the WP_Theme_JSON class -
Closed pull request #3555 on WordPress/wordpress-develop:
Improve performance in the WP_Theme_JSON class by simplifying calls to array functions -
Closed ticket #56974 on Core Trac:
Improve performance of the WP_Theme_JSON class -
Committed [54804] to Core SVN:
Editor: Improve performance of `WP_Theme_JSON` class by reducing usage ... -
Mentioned in [54803] on Core SVN:
I18N: Initialize textdomain registry in `wp_load_translations_early()`. -
Mentioned in [54802] on Core SVN:
Media: Prevent decoding attribute corrupting JSON data. -
Closed ticket #56945 on Core Trac:
Avoid running unnecessary expensive logic around theme.json parsing ... -
Committed [54800] to Core SVN:
Editor: Avoid running certain logic around `theme.json` parsing ... -
Reopened ticket #56945 on Core Trac:
Avoid running unnecessary expensive logic around theme.json parsing ... -
Closed pull request #3536 on WordPress/wordpress-develop:
Fix `wp_head` performance regression for classic themes -
Closed ticket #56945 on Core Trac:
Avoid running unnecessary expensive logic around theme.json parsing ... -
Committed [54799] to Core SVN:
Editor: Avoid running certain logic around `theme.json` parsing ... -
Created ticket #57067 on Core Trac:
Replace certain `array_key_exists()` calls with `isset()` once PHP ... -
Closed ticket #56815 on Core Trac:
Massive (potential) performance issues within ... -
Committed [54772] to Core SVN:
Editor: Improve frontend performance for ... -
Reopened ticket #56815 on Core Trac:
Massive (potential) performance issues within ... -
Closed pull request #3569 on WordPress/wordpress-develop:
Only retrieve upload related information when user can upload -
Closed pull request #3588 on WordPress/wordpress-develop:
Only call wp_max_upload_filesize() when user can actually upload files. -
Closed ticket #56815 on Core Trac:
Massive (potential) performance issues within ... -
Committed [54769] to Core SVN:
Editor: Improve frontend performance for ... -
Submitted pull request #3588 to WordPress/wordpress-develop:
Only call wp_max_upload_filesize() when user can actually upload files. -
Created issue #45616 in the WordPress/gutenberg repository:
Create parsed PHP version of core's `theme.json` at build time rather than...
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