wpsnoop: fix Axio Core plugin conflicts, errors & issues

When the plugin Axio Core conflicts or throws a PHP error we hope wpsnoop can help you to fix the issue quickly.


Discover which shortcodes wp-options PHP functions database tables and files are created by Axio Core, plus learn which plugins and/or themes could be in conflict with Axio Core.


Troubleshooting theme and plugin conflicts is easier when you know what Axio Core leaves behind after uninstalling it from a WordPress installation, there is a list down below for your convenience.

Expert advice is recommended if you are not technically proficient with PHP, MySQL etc. View support options for Axio Core

Get professional support for Axio Core here

When you need professional help with WordPress: get help here


What does Axio Core version 1.1.2 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Axio Core to perform differently in your installation, previous versions before 1.1.2 may have created a different set of shortcodes, used different function names or could have created entirely different database tables to store settings and operate. This is not an exhaustive list but shows how version 1.1.2 of Axio Core behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this plugin but instead have concentrated on the potential for obvious errors and conflicts which can occur, if you need help with the plugin in your local installation you can get WordPress help and support for Axio Core by clicking here.

Our testing covered the free version of this plugin there may or may not be a paid version or premium version available for purchase that unlocks additional features and could behave in a slightly or very different manner.

Which new files does Axio Core add to WordPress?

This section will populate with a table showing an icon, size and filepath.

Type & Path Size Conflicts
wp-content/plugins/axio-core/ 484.13kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/.editorconfig 167.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/.gitignore 285.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/.travis.yml 2.62kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/abstract-feature.php 1.94kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/abstract-sub-feature.php 1.77kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/assets/ 232.57kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/assets/axio-core.css 1.04kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/assets/placeholder.jpg 231.52kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/bin/ 5.16kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/bin/install-wp-tests.sh 5.16kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/composer.json 147.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/composer.lock 58.70kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/ 74.99kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/ 8.51kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/class-admin.php 1.12kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/sub_features/ 7.39kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/sub_features/class-admin-front-page-edit-link.php 1.04kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/sub_features/class-admin-gallery.php 908.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/sub_features/class-admin-image-link.php 881.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/sub_features/class-admin-login.php 966.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/sub_features/class-admin-menu-cleanup.php 1.16kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/sub_features/class-admin-notifications.php 748.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/sub_features/class-admin-profile-cleanup.php 1.02kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/admin/sub_features/class-admin-remove-customizer.php 761.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/classic-editor/ 1.36kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/classic-editor/class-classic-editor.php 600.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/classic-editor/sub_features/ 792.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/classic-editor/sub_features/class-editor-tinymce.php 792.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/dashboard/ 9.91kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/dashboard/class-dashboard.php 744.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/dashboard/sub_features/ 9.18kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/dashboard/sub_features/class-dashboard-cleanup.php 1.29kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/dashboard/sub_features/class-dashboard-recent-widget.php 7.30kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/dashboard/sub_features/class-dashboard-remove-panels.php 595.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/debug/ 17.03kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/debug/class-debug.php 628.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/debug/sub_features/ 16.42kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/debug/sub_features/class-debug-style-guide.php 14.96kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/debug/sub_features/class-debug-wireframe.php 1.46kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/front-end/ 5.11kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/front-end/class-front-end.php 898.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/front-end/sub_features/ 4.23kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/front-end/sub_features/class-front-end-clean-empty-html.php 1.03kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/front-end/sub_features/class-front-end-excerpt.php 1.00kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/front-end/sub_features/class-front-end-html-fixes.php 1.23kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/front-end/sub_features/class-front-end-uglify-attachment-permalink.php 987.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/localization/ 3.97kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/localization/class-localization.php 612.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/localization/sub_features/ 3.38kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/localization/sub_features/class-localization-string-translations.php 3.38kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/plugins/ 8.89kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/plugins/class-plugins.php 1.05kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/plugins/sub_features/ 7.84kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/plugins/sub_features/class-plugins-acf.php 2.45kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/plugins/sub_features/class-plugins-cookiebot.php 870.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/plugins/sub_features/class-plugins-gravityforms.php 660.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/plugins/sub_features/class-plugins-public-post-preview.php 790.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/plugins/sub_features/class-plugins-redirection.php 694.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/plugins/sub_features/class-plugins-seo.php 727.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/plugins/sub_features/class-plugins-yoast.php 1.74kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/polyfills/ 5.77kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/polyfills/class-polyfills.php 650.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/polyfills/sub_features/ 5.14kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/polyfills/sub_features/class-polyfills-acf.php 2.36kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/polyfills/sub_features/class-polyfills-polylang.php 2.78kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/security/ 10.29kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/security/class-security.php 1.16kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/security/sub_features/ 9.13kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/security/sub_features/class-security-disable-admin-email-check.php 516.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/security/sub_features/class-security-disable-file-edit.php 542.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/security/sub_features/class-security-disable-unfiltered-html.php 586.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/security/sub_features/class-security-head-cleanup.php 1.66kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/security/sub_features/class-security-hide-users.php 1.87kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/security/sub_features/class-security-remove-comment-moderation.php 1.39kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/security/sub_features/class-security-remove-commenting.php 2.60kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/speed/ 4.16kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/speed/class-speed.php 799.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/speed/sub_features/ 3.38kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/speed/sub_features/class-speed-limit-revisions.php 782.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/speed/sub_features/class-speed-move-jquery.php 887.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/speed/sub_features/class-speed-remove-emojis.php 1.03kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/features/speed/sub_features/class-speed-remove-metabox.php 743.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/helpers.php 945.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/languages/ 6.10kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/languages/axio-core-fi.mo 806.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/languages/axio-core-fi.po 1.58kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/languages/axio-core-sv_SE.mo 780.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/languages/axio-core-sv_SE.po 1.56kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/languages/axio-core.pot 1.41kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/phpcs.xml 6.22kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/phpunit.xml.dist 1.17kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/plugin.php 6.46kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/README.md 3.14kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/readme.txt 3.33kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/ 78.45kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/admin/ 11.92kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/admin/test-admin-front-page-edit-link.php 883.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/admin/test-admin-gallery.php 1.18kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/admin/test-admin-image-link.php 1.18kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/admin/test-admin-login.php 1.34kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/admin/test-admin-menu-cleanup.php 2.04kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/admin/test-admin-notifications.php 1.75kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/admin/test-admin-profile-cleanup.php 1.41kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/admin/test-admin-remove-customizer.php 1.48kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/admin/test-admin.php 694.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/bootstrap.php 821.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/classic-editor/ 1.83kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/classic-editor/test-classic-editor-tinymce.php 1.14kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/classic-editor/test-classic-editor.php 701.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/dashboard/ 9.77kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/dashboard/test-dashboard-cleanup.php 2.34kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/dashboard/test-dashboard-recent-widget.php 5.79kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/dashboard/test-dashboard-remove-panels.php 975.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/dashboard/test-dashboard.php 710.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/debug/ 3.78kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/debug/test-debug-style-guide.php 1.64kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/debug/test-debug-wireframe.php 1.46kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/debug/test-debug.php 694.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/frontend/ 6.36kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/frontend/test-frontend-clean-empty-html.php 1.65kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/frontend/test-frontend-excerpt.php 1.37kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/frontend/test-frontend-html-fixes.php 1.67kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/frontend/test-frontend-uglify-attachment-permalink.php 979.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/frontend/test-frontend.php 728.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/localization/ 4.28kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/localization/test-localization-string-translations.php 3.56kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/localization/test-localization.php 729.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/plugins/ 10.25kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/plugins/test-plugins-acf.php 1.65kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/plugins/test-plugins-cookiebot.php 893.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/plugins/test-plugins-gravityforms.php 955.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/plugins/test-plugins-public-post-preview.php 891.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/plugins/test-plugins-redirection.php 1.07kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/plugins/test-plugins-seo.php 1.42kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/plugins/test-plugins-yoast.php 2.74kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/plugins/test-plugins.php 712.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/polyfills/ 6.20kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/polyfills/test-acf-polyfills.php 1.44kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/polyfills/test-localization-polyfill.php 4.05kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/polyfills/test-polyfills.php 726.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/security/ 15.65kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/security/test-security-disable-admin-email-check.php 925.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/security/test-security-disable-file-edit.php 856.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/security/test-security-disable-unfiltered-html.php 886.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/security/test-security-head-cleanup.php 2.82kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/security/test-security-hide-users.php 3.04kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/security/test-security-remove-comment-moderation.php 1.81kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/security/test-security-remove-commenting.php 4.68kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/security/test-security.php 721.00B No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/speed/ 7.62kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/speed/test-speed-limit-revisions.php 1.12kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/speed/test-speed-move-jquery.php 2.77kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/speed/test-speed-remove-emojis.php 1.63kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/speed/test-speed-remove-metabox.php 1.42kB No known conflicts with other themes or plugins.
wp-content/plugins/axio-core/tests/speed/test-speed.php 694.00B No known conflicts with other themes or plugins.

Which new shortcodes does Axio Core add to WordPress?

Which new database tables are created by the WordPress plugin Axio Core?

Which new options are added to the wp-options table by Axio Core?

What new PHP functions does Axio Core declare when it is active?

Function   Conflicts Common Errors
get_field 67 conflicts Fatal error: Cannot redeclare get_field()
get_fields 70 conflicts Fatal error: Cannot redeclare get_fields()
get_sub_field 65 conflicts Fatal error: Cannot redeclare get_sub_field()
have_rows 65 conflicts Fatal error: Cannot redeclare have_rows()
pll__ 9 conflicts Fatal error: Cannot redeclare pll__()
pll_current_language 1 conflict Fatal error: Cannot redeclare pll_current_language()
pll_default_language 1 conflict Fatal error: Cannot redeclare pll_default_language()
pll_e 8 conflicts Fatal error: Cannot redeclare pll_e()
pll_esc_attr__ 1 conflict Fatal error: Cannot redeclare pll_esc_attr__()
pll_esc_attr_e 1 conflict Fatal error: Cannot redeclare pll_esc_attr_e()
pll_esc_html__ 1 conflict Fatal error: Cannot redeclare pll_esc_html__()
pll_esc_html_e 1 conflict Fatal error: Cannot redeclare pll_esc_html_e()
pll_get_post 1 conflict Fatal error: Cannot redeclare pll_get_post()
pll_get_post_language 1 conflict Fatal error: Cannot redeclare pll_get_post_language()
pll_get_term 1 conflict Fatal error: Cannot redeclare pll_get_term()
pll_home_url 1 conflict Fatal error: Cannot redeclare pll_home_url()
pll_translate_string 1 conflict Fatal error: Cannot redeclare pll_translate_string()
the_field 65 conflicts Fatal error: Cannot redeclare the_field()
the_row 64 conflicts Fatal error: Cannot redeclare the_row()
the_sub_field 65 conflicts Fatal error: Cannot redeclare the_sub_field()
ask__ 0 conflicts Fatal error: Cannot redeclare ask__()
ask_e 0 conflicts Fatal error: Cannot redeclare ask_e()
asv__ 0 conflicts Fatal error: Cannot redeclare asv__()
asv_e 0 conflicts Fatal error: Cannot redeclare asv_e()
aucor_core_debug_msg 0 conflicts Fatal error: Cannot redeclare aucor_core_debug_msg()
axio_core_debug_msg 0 conflicts Fatal error: Cannot redeclare axio_core_debug_msg()
axio_core_get_registered_strings 0 conflicts Fatal error: Cannot redeclare axio_core_get_registered_strings()
axio_core_get_site_locale 0 conflicts Fatal error: Cannot redeclare axio_core_get_site_locale()

Using Axio Core from the command line with WP-CLI

The following commands are provided for convenience and should only be used if you understand how WP-CLI works. These commands refer to a single WordPress instance and may need to be modified if you are working with a Multisite installation.


How to install Axio Core from the command line with WP-CLI

Navigate to the root of your WordPress installation and type the following command:

wp plugin install axio-core


How to activate Axio Core from the command line with WP-CLI

To immediately activate Axio Core after WP-CLI downloads the latest version you can use the following command:

wp plugin install axio-core --activate


How to reinstall Axio Core from the command line with WP-CLI

To force a reinstallation of Axio Core which overwrites the current plugin without asking for confirmation you can use the following command:

wp plugin install axio-core --force


How to update Axio Core to the latest version from the command line with WP-CLI

wp plugin update axio-core


How to delete Axio Core from the command line with WP-CLI

wp plugin delete axio-core

Where can you download earlier versions of Axio Core?

Whenever possible you should use the latest version of plugins and themes, however if you have recently updated and discovered that you need to install an earlier version you may be able to download other versions of Axio Core from the WordPress repository by visiting this link.

Please note that installing earlier versions of a theme or plugin is not generally a recommended course of action for most users and could re-introduce security, stability or other issues in Axio Core

About our testing enviroment

Tests were conducted using Apache 2.4.29, PHP 7.2 on Ubuntu 18.04, MySQL 5.7.33 and WordPress 5.9

It is very possible that different versions of PHP such as PHP 8.0, PHP 7.4, or PHP 7.3 could behave differently with Axio Core. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.