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Core

See what’s built into the J2Commerce core.

Deep dives into the features built into every install, from catalog and checkout to taxes, shipping and orders.

A navy core cube with a yellow gem, orbited by cart, coin, parcel and gear modules on a ring.

Core Posts

Read the latest posts.

Read the newest post first, or pick a topic: guides, marketing, industry trends, announcements or J2Commerce core updates.

  • GuidesCore

    From J2Store 4 to J2Commerce 6: What Changes for Your Store

    If your store runs on J2Store 4 today, moving to J2Commerce 6 is a planned upgrade, not a rebuild. The first-party migrator carries your products, orders and customers across, y…

    By Adam Melcher 5 min read

  • AnnouncementsCore

    Security Announcement: Releases 3.3.23, 4.0.23 and 4.1.8

    Security Advisory Summary Release Date 2026-09-14 Affected Versions All J2Store versions prior to 4.1.8 Fixed In J2Store 3.3.23, 4.0.23 and 4.1.8 Overall Severity High CVSS 4.0…

    By Olivier Buisard 12 min read

  • AnnouncementsCore

    Security Announcement: Releases 3.3.22, 4.0.22 and 4.1.7

    Security Advisory Summary Release Date 2026-08-31 Affected Versions All J2Store versions prior to 4.1.7 Fixed In J2Store 3.3.22, 4.0.22 and 4.1.7 Overall Severity High CVSS 4.0…

    By Olivier Buisard 7 min read

  • GuidesCore

    J2Store File Upload Security Fix: What You Need to Know

    A security fix was released in J2Store 3.3.21, 4.0.21 and 4.1.6 for the file upload feature customers use to attach files to their cart. The issue was exploited in the wild befo…

    By Olivier Buisard 3 min read

  • AnnouncementsCore

    Security Announcement: Releases 3.3.21, 4.0.21 and 4.1.6

    Security Advisory Summary Release Date 2026-08-20 Affected Versions All J2Store versions prior to 4.1.6 Fixed In J2Store 3.3.21, 4.0.21 and 4.1.6 Overall Severity High CVSS 4.0…

    By Olivier Buisard 8 min read

  • AnnouncementsCore

    J2Commerce and Joomla 6

    We’re actively developing J2Commerce v6, a major new release built without the F0F library or jQuery and designed for full Joomla 6 compatibility. Because v6 is a complete rebui…

    By Olivier Buisard 1 min read

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See What’s New in Every Release

See the new features and fixes in each J2Commerce release.

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