WooCommerce was updated to version 3.0.7, from version 3.0.5. Changelogs:

3.0.7

• Fix – Display of grouped product permalinks + names.
• Fix – Ensure wc_get_payment_gateway_by_order has a valid order ID to avoid errors.
• Fix – Ensure get_plugin_updates exists in API.
• Fix – Correctly set rating term after updating product visibility.
• Fix – is_ip_address should be static.
• Fix – Handle clearing for 3, 4, and 5 columns in the product gallery.
• Fix – Some added protection against notices/errors in the assets and variation data-store files.
• Fix – If backorders are enabled, do not make variable products out of stock.
• Fix – Undefined function in class-wc-embed.php.
• Fix – Fix ‘base location’ not being returned via the settings API.
• Fix – When re-filling fields on checkout, only change the empty ones to avoid conflicts with gateway plugins and hidden fields.
• Fix – Make calculate tax function clear taxes if taxes are disabled on recalculation.
• Fix – Update all customer session address fields when updating via checkout.
• Fix – Support customer searches < 3 characters long, but with result limiting.

3.0.6

• Fix – Fixed conflict between global attributes and custom attributes with the same names.
• Fix – Added missing “id” to API for shipping zone methods to support the CLI.
• Fix – Incorrect use of wc_format_price_range in get_price_html_from_to.
• Fix – Clone each meta object when cloning WC_Data object to avoid modifying original meta stdClass objects.
• Fix – Fix non numeric warning for some order data.
• Fix – Fixed a warning when no customer country is defined for state input.
• Fix – Use term name when reordering so correct data is passed to the new order.
• Fix – Formatting issues in wc_display_item_meta.
• Fix – Check if IP address is valid in IP address detection code.
• Fix – wc_attribute_taxonomy_id_by_name should use wc_sanitize_taxonomy_name to prevent breaking special chars.
• Fix – Correct variable name in order structured data.
• Fix – Prepend new item keys with $items_key to make them unique.
• Fix – Hide offers from structured markup when blank.
• Fix – Fixed “Process to checkout” button color in Twenty seventeen dark theme.
• Fix – Only set reply-to if the email + name is set.
• Fix – Correctly exclude terms in wc_get_related_products.
• Fix – Reset post data prevents grouped products working in shortcodes.
• Fix – Fix min price range comparisons.
• Fix – Properly save order items in legacy REST API.
• Fix – Use correct full size for variation images.
• Fix – Add noscript style for gallery.
• Fix – Fix/duplicate potential stock reduction with paypal.
• Tweak – Improve _wc_term_recount performance.
• Tweak – Improve plugin update detection in system status report to reduce timeouts.
• Tweak – Improve “Save Order” button to reproduce WordPress post/page behavior.
• Tweak – Added zipcode validation for France.
• Dev – Added woocommerce_shop_order_search_results filter.