WPSSO Core – Complete Schema Markup and Meta Tags

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Release Schedule

New versions of the plugin are released approximately every week (more or less). New features are added, tested, and released incrementally, instead of grouping them together in a major version release. When minor bugs fixes and/or code improvements are applied, new versions are also released. This release schedule keeps the code stable and reliable, at the cost of more frequent updates.

See release early, release often (RERO) software development philosophy on Wikipedia for more information on the benefits of smaller / more frequent releases.

Version Numbering

Version components: {major}.{minor}.{bugfix}[-{stage}.{level}]

• {major} = Major structural code changes and/or incompatible API changes (ie. breaking changes).hanges).
• {minor} = New functionality was added or improved in a backwards-compatible manner.
• {bugfix} = Backwards-compatible bug fixes or small improvements.
• {stage}.{level} = Pre-production release: dev < a (alpha) < b (beta) < rc (release candidate).

Standard Edition Repositories

• GitHub
• WordPress.org

Development Version Updates

WPSSO Core Premium edition customers have access to development, alpha, beta, and release candidate version updates:

Under the SSO > Update Manager settings page, select the “Development and Up” (for example) version filter for the WPSSO Core plugin and/or its add-ons. When new development versions are available, they will automatically appear under your WordPress Dashboard > Updates page. You can reselect the “Stable / Production” version filter at any time to reinstall the latest stable version.

WPSSO Core Standard edition users (ie. the plugin hosted on WordPress.org) have access to the latest development version under the Advanced Options section.

Changelog / Release Notes

Version 21.2.0 (2025/07/14)

• New Features
  • None.
• Improvements
  • None.
• Bugfixes
  • None.
• Developer Notes
  • Added Schema itemCondition, refundType, restockingFee, and returnLabelSource properties to WpssoSchemaSingle::add_merchant_return_policy_data().
• Requires At Least
  • PHP v7.4.33.
  • WordPress v5.9.
  • WPSSO Update Manager v7.2.0 (for Premium edition).

Version 21.1.0 (2025/07/08)

• New Features
  • None.
• Improvements
  • Updated toolbar notification message timeouts.
• Bugfixes
  • None.
• Developer Notes
  • None.
• Requires At Least
  • PHP v7.4.33.
  • WordPress v5.9.
  • WPSSO Update Manager v7.2.0 (for Premium edition).

Version 21.0.0 (2025/06/18)

• New Features
  • None.
• Improvements
  • Refactored several methods to support Schema Contact Points for Organizations.
• Bugfixes
  • None.
• Developer Notes
  • Added a new SucomUtil::sanitize_schema_id() method.
  • Added a new SucomUtil::add_multi_values() method.
  • Added a new SucomUtil::get_multi_values() method.
  • Added a new WpssoMessagesTooltipMetaContact class.
  • Added a new WpssoSchemaSingle::add_contact_data() method.
  • Renamed WpssoOpenGraph->get_og_type_id_for() to get_og_type_id().
  • Renamed WpssoSchema->get_schema_type_id_for() to get_schema_type_id().
  • Renamed WpssoSchema->get_default_schema_type_name_for() to get_default_schema_type_name().
  • Refactored WpssoOpenGraph->get_og_type_id().
  • Refactored WpssoSchema->get_schema_type_id().
  • Refactored WpssoSchema->get_default_schema_type_name().
  • Refactored WpssoSchema->get_schema_type_url_parts().
  • Refactored WpssoSchema->return_data_from_filter().
  • Refactored WpssoSchemaSingle::add_organization_data().
  • Refactored WpssoSchemaSingle::add_place_data().
  • Refactored WpssoJsonTypeOrganization->filter_json_data_https_schema_org_organization().
  • Refactored WpssoJsonTypePlace->filter_json_data_https_schema_org_place().
  • Removed the WpssoJsonTypeFoodEstablishment class.
  • Removed the WpssoJsonTypeLocalBusiness class.
• Requires At Least
  • PHP v7.4.33.
  • WordPress v5.9.
  • WPSSO Update Manager v7.2.0 (for Premium edition).

Version 20.0.0 (2025/06/14)

• New Features
  • Added a new SSO > Advanced Settings > Schema Defaults > Service tab.
  • Added a new Document SSO > Edit Schema > Service Information section:
    • Provider Org.
    • Provider Person
    • Service Latitude
    • Service Longitude
    • Service Radius
    • Service Offers Start
    • Service Offers End
    • Service Offers (Name, Price, Currency, Availability)
    • Offer Catalogs
      • Offer Catalog Name
      • Offer Catalog Description
      • Offer Catalog URL
• Improvements
  • None.
• Bugfixes
  • None.
• Developer Notes
  • Added a new WpssoSchema::add_offer_catalogs_data() method.
  • Added a new WpssoSchemaSingle::add_service_data() method.
  • Added a new WpssoEditSchema->filter_mb_sso_edit_schema_service_rows() method.
• Requires At Least
  • PHP v7.4.33.
  • WordPress v5.9.
  • WPSSO Update Manager v7.2.0 (for Premium edition).