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Marcus Kazmierczak

@mkaz San Francisco joined Jan 2013

mkaz.blog
    Teams Design

    Bio

    Open-source advocate.

    Badges

    CODE
    4 badges
    Core Contributor '15 Core Team '20 Meta Contributor '19 Plugin Developer
    CONTENT
    3 badges
    Documentation Contributor '20 Documentation Team '20 Photo Contributor '22

    Recent impact

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

    Last 30 days
    0contributions
    high0
    medium0
    score0
    Last 90 days
    0contributions
    high0
    medium0
    score0
    Last 12 months
    1contribution
    high1
    medium0
    score3

    Team focus

    Across 1 team, with no team-attributable contributions in the last 365 days

    WordPress releases

    Contributed to 14 releases
    • 6.9
    • 6.1
    • 6.0
    • 5.9
    • 5.8
    • 5.7
    • 5.6
    • 5.5
    • 5.4
    • 5.3
    • 5.2
    • 5.1
    • 5.0
    • 4.2

    Contributions

    Type
    September 2025
    Sep 12 Fri · 22:03
    Core high
    Mentioned in [60734] on WordPress SVN:
    Formatting: Allow specifying `https://` as the default protocol in `esc_url()`.
    March 2023
    Mar 10 Fri · 18:47
    Core med
    Closed pull request #37309 on WordPress/gutenberg:
    Update Block Editor Handbook front page
    April 2022
    Apr 28 Thu · 22:38
    Core high
    Merged pull request #40685 into WordPress/gutenberg:
    Remove @mkaz from CODEOWNERS 😢
    Apr 28 Thu · 13:16
    Core med
    Submitted pull request #40685 to WordPress/gutenberg:
    Remove @mkaz from CODEOWNERS 😢
    February 2022
    Feb 05 Sat · 00:07
    Core med
    Closed issue #37510 on the WordPress/gutenberg repository:
    Docs: Move Backward Compatibility to Explanations, combine Meta Boxes
    Feb 05 Sat · 00:07
    Core high
    Merged pull request #37654 into WordPress/gutenberg:
    Move backward compatibility docs under Contributors Guide
    Feb 05 Sat · 00:07
    Core high
    Merged pull request #37807 into WordPress/gutenberg:
    Docs: Move design docs to user interface explanations
    January 2022
    Jan 11 Tue · 20:06
    Meta med
    Wrote a comment on the post Agenda for Docs team bi-weekly meeting January 11th, 2022, on the site Make WordPress Documentation:
    For WP 5.9 release the last dev notes and Field guide were finished up and…
    Jan 10 Mon · 16:33
    Meta high
    Wrote a new post, WordPress 5.9 Field Guide, on the site Make WordPress Core:
    WordPress 5.9 unlocks the ability to build with blocks across all parts of your site,…
    Jan 10 Mon · 15:31
    Core high
    Merged pull request #37827 into WordPress/gutenberg:
    Docs: Add mising end tag for codetabs in stylesheet guide