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John Havlik

Plugin Author

@mtekk Minneapolis, Minnesota, USA joined Apr 2006

mtekk.us github.com/mtekk Slack: @mtekk

    Bio

    Plugin author

    Badges

    CODE
    2 badges
    Core Contributor '15 Plugin Developer
    COMMUNITY
    1 badge
    WordCamp Speaker '14
    PRACTICE
    1 badge
    Support Contributor '26
    POLYGLOTS
    1 badge
    Translation Contributor '15

    Current Job

    Plugin Author
    Present

    Recent impact

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

    Last 30 days
    4contributions
    high0
    medium4
    score4
    Last 90 days
    10contributions
    high4
    medium6
    score18
    Last 12 months
    23contributions
    high12
    medium11
    score47

    Contributions

    Type
    September 2026
    Sep 14 Mon · 01:52
    Forums med
    Posted a reply to Fatal error on breadcrumb-navxt.php line 689, on the site WordPress.org Forums:
    On your staging site, can you disable wp-cerber and see if the problem persists? I…
    Sep 13 Sun · 00:03
    Forums med
    Posted a reply to Fatal error on breadcrumb-navxt.php line 689, on the site WordPress.org Forums:
    Well, this is interesting. For this to happen, breadcrumb_navxt::breadcrumb_trail wasn't initialized when breadcrumb_navxt::display() was called.…
    Sep 10 Thu · 03:16
    Forums med
    Posted a reply to Warning on settings page, on the site WordPress.org Forums:
    When you reload the settings page, the error should go away. If it doesn't let…
    Sep 07 Mon · 23:46
    Forums med
    Posted a reply to Warning on settings page, on the site WordPress.org Forums:
    These are settings from Custom Post Types (CPTs) and custom taxonomies which Breadcrumb NavXT wasn't…
    Sep 01 Tue · 01:32
    Forums med
    Posted a reply to Error message in Block Template Editor, on the site WordPress.org Forums:
    Hi Alwyn, Breadcrumb NavXT 7.5.2 was released on 8/29, it should contain a fix for…
    August 2026
    Aug 29 Sat · 20:48
    Plugins high
    Committed [3671882] to Plugins SVN:
    Fix internal version number (for 7.5.2)
    Aug 29 Sat · 20:47
    Plugins high
    Committed [3671881] to Plugins SVN:
    fix internal version number which was missed in initial commit for 7.5.2
    Aug 29 Sat · 20:29
    Plugins high
    Committed [3671862] to Plugins SVN:
    tagging 7.5.2
    Aug 29 Sat · 20:28
    Plugins high
    Committed [3671861] to Plugins SVN:
    pre-7.5.2 commit
    Aug 19 Wed · 02:49
    Forums med
    Posted a reply to Error message in Block Template Editor, on the site WordPress.org Forums:
    Hi Alwyn, It looks like this is the same issue seen in this github issue/pull…

    Developer

    3 plugins

    Plugins

    1 favorite