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Dennis Snell

Software Design Engineer at Automattic

@dmsnell Tucson, AZ, USA joined Jan 2014

fluffyandflakey.blog github.com/dmsnell Slack: @dmsnell
    Maintains Charset Formatting HTML API
    Teams Core

    Bio

    As a Code Wrangler at Automattic, Inc., I spend my days designing software. As a nomad, I own very few things and enjoy living simply. I love cooking, engineering, photography, and my faithful God, Jesus Christ.

    Interests

    I’m passionate about programming theory, engineering design, and teaching software design. If you want to meet up at a WordCamp we could spend hours into the night discussing any problem no matter how big or small and get out our laptops to explore some ideas together.

    WordPress Origin Story

    At the time I found WordPress I had been building primitive CMS systems out of Google Docs, Smarty, and FCKEditor – what a different world! Once I realized that I could have a fully-fledged website building system for free and which got better as time passed I was hooked and abandoned all of my custom website coding.

    Badges

    CODE
    4 badges
    Core Contributor '15 Core Team '20 P Playground Contributor '25 P Playground Team '25
    CONTENT
    1 badge
    Documentation Contributor '23
    COMMUNITY
    1 badge
    WordCamp Speaker '15

    Current Job

    Software Design Engineer
    Present
    Automattic

    Recent impact

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

    Last 30 days
    64contributions
    high41
    medium23
    score146
    Last 90 days
    130contributions
    high81
    medium49
    score292
    Last 12 months
    591contributions
    high391
    medium200
    score1373

    Team focus

    Share of contributions across teams during the last 365 days

    WordPress releases

    Contributed to 19 releases
    • 7.0
    • 6.9
    • 6.8
    • 6.7
    • 6.6
    • 6.5
    • 6.4
    • 6.3
    • 6.2
    • 6.1
    • 6.0
    • 5.9
    • 5.3
    • 5.2
    • 5.1
    • 5.0
    • 4.7
    • 4.5
    • 4.3

    Time commitment

    40 hours per week of sponsored contribution time

    Contributions

    Type
    July 2026
    Jul 02 Thu · 15:08
    Core high
    Mentioned in [62626] on WordPress SVN:
    HTML API: Preserve decoder match length on named-reference miss.
    Jul 01 Wed · 22:38
    Core med
    Submitted pull request #79793 to WordPress/gutenberg:
    Performance: Follow-up normalization in prepend_to_selector() and append_to_selector().
    Jul 01 Wed · 19:54
    Core high
    Merged pull request #79723 into WordPress/gutenberg:
    CSS: Follow-up fixes to split_selector_list()
    Jul 01 Wed · 17:27
    Meta med
    Wrote a comment on the post Guidelines for Syncing Code From Gutenberg Into WordPress Develop, on the site Make WordPress Core:
    Thanks @desrosj for this extensive post. There’s a lot of good work and complicated work…
    Jul 01 Wed · 07:02
    Core high
    Mentioned in [62607] on WordPress SVN:
    Editor: fix inconsistencies in global styles feature selectors.
    June 2026
    Jun 30 Tue · 22:31
    Core med
    Closed pull request #12372 on WordPress/wordpress-develop:
    Try a thing with WPCS
    Jun 30 Tue · 22:31
    Core med
    Closed pull request #79724 on WordPress/gutenberg:
    Try: WPCS vertical alignment
    Jun 30 Tue · 22:18
    Core med
    Submitted pull request #79724 to WordPress/gutenberg:
    Try: WPCS vertical alignment
    Jun 30 Tue · 22:09
    Core med
    Submitted pull request #12372 to WordPress/wordpress-develop:
    Try a thing with WPCS
    Jun 30 Tue · 22:02
    Core med
    Submitted pull request #79723 to WordPress/gutenberg:
    CSS: Follow-up fixes to split_selector_list()