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Adam Silverstein

Staff Developer at Earthbound

@adamsilverstein Hotchkiss, CO joined Oct 2012

earthbound.com github.com/adamsilverstein Slack: @adamsilverstein
    Maintains Autosave Media Notes Revisions
    Teams Core AI Core Core Performance

    Bio

    Core Committer. Previously Developer Relations Engineer at Google, Lead engineer at 10up.

    Interests

    WordPress, Mbira, river rafting, growing food, big skies, family, sailing, chocolate, farming, travel.

    Badges

    CODE
    7 badges
    C Core AI Contributor '26 Core Contributor '15 C Core Performance Contributor '22 C Core Performance Team '22 Core Team '16 Meta Contributor '15 Plugin Developer
    CONTENT
    1 badge
    Documentation Contributor '16
    COMMUNITY
    3 badges
    bbPress Contributor '25 WordCamp Speaker '18 WordCamp Volunteer '26
    PRACTICE
    1 badge
    Support Contributor '26

    Current Job

    Staff Developer
    Present
    Earthbound

    Recent impact

    Score weights high-impact work (commits, releases, approved translations, props) at 3x routine activity.

    Last 30 days
    101contributions
    high42
    medium59
    score185
    Last 90 days
    464contributions
    high221
    medium243
    score906
    Last 12 months
    1461contributions
    high533
    medium928
    score2527

    Team focus

    Share of contributions across teams during the last 365 days

    WordPress releases

    Contributed to 36 releases
    • 7.1
    • 7.0
    • 6.9
    • 6.8
    • 6.7
    • 6.6
    • 6.5
    • 6.4
    • 6.3
    • 6.2
    • 6.1
    • 6.0
    • 5.9
    • 5.8
    • 5.7
    • 5.6
    • 5.5
    • 5.4
    • 5.3
    • 5.2
    • 5.1
    • 5.0
    • 4.9
    • 4.8
    • 4.7
    • 4.6
    • 4.5
    • 4.4
    • 4.3
    • 4.2
    • 4.1
    • 4.0
    • 3.9
    • 3.8
    • 3.7
    • 3.6

    Time commitment

    20 hours per week of sponsored contribution time

    Contributions

    Type
    October 2026
    Oct 24 Sat · 16:18
    Core med
    Closed pull request #3034 on WordPress/wordpress-develop:
    Add the WebP shim (which uses the jpeg instead) for non-supporting browsers
    Oct 24 Sat · 16:17
    Core med
    Closed ticket #56529 on Core Trac:
    Add minimal JPEG fallback script to address limited lack of WebP support
    Oct 24 Sat · 16:17
    Core med
    Closed ticket #55443 on Core Trac:
    Create WebP sub-sizes and use for output
    Oct 24 Sat · 16:16
    Core med
    Closed pull request #3028 on WordPress/wordpress-develop:
    Add a `additional_mimes` parameter to the `add_image_size` function
    Oct 24 Sat · 16:15
    Core med
    Closed ticket #56288 on Core Trac:
    Add mime output control to `add_image_size`
    Oct 24 Sat · 01:01
    Core med
    Submitted pull request #14812 to WordPress/wordpress-develop:
    KSES: Sanitize srcset by element and attribute in both parsers
    Oct 24 Sat · 00:52
    Core med
    Submitted pull request #14811 to WordPress/wordpress-develop:
    KSES: Add wp_kses_sanitize_srcset() for image candidate lists
    Oct 23 Fri · 23:28
    Core med
    Submitted pull request #85491 to WordPress/gutenberg:
    [WP 7.2] Image: measure the lightbox container, not the image's parent (#82312)
    Oct 23 Fri · 22:11
    Core med
    Closed issue #82283 on the WordPress/gutenberg repository:
    Image block: lightbox trigger button is mispositioned when the img is wrapped
    Oct 23 Fri · 22:11
    Core high
    Merged pull request #82312 into WordPress/gutenberg:
    Image: measure the lightbox container, not the image's parent

    Developer

    13 plugins

    Contributor

    7 plugins

    Plugins

    11 favorites

    Translations

    1 locale
    fr_FR Français (French) Translation Contributor

    Contributed translations to 1 project.

    Site Kit by Google – Analytics, Search Console, AdSense, Speed

    View all on translate.wordpress.org