*** WooCommerce Mix and Match Products Changelog***

2025.12.06 - version 2.8.5
* Fix indent of child items on classic/non-block order received. Closes #590 and Print Invoices child item duplication.

2025.12.02 - version 2.8.4
* Fix: Incorrect calculation of min/max price strings for per-item-priced containers, introduced by 76182b865287063411d30a795cd253a43355f2c2.
* Fix: Add order=>include to get_terms() in Store API response to respect saved term order of child items.
* Tweak: Update Query Monitor compatibility module to use core QM functionality and styles.
* Tweak: Add styles for Twenty Twenty Five theme. Closes #586.
* Tweak: Give grid style to Variation <dl> for child products. Closes #587.

2025.10.29 - version 2.8.3
* Fix: Undefined WP_MNM_Cache class when using Not Sold Separately mini-extension.
* Fix: Order of child categories in Store API response respects saved order. 
* New: Query Monitor compatibility module to log database queries made by Mix and Match Products. Requires Query Monitor plugin to be active.
* Tweak: Update admin strings from WooCommerce Mix and Match Products to Mix and Match Products for WooCommerce.

2025.10.20 - version 2.8.2
* Fix: Hide price of child items in cart block if not priced per item.
* Tweak: Add theme button class to edit selections button in cart block.
* Tweak: Improve Flatsome theme compatibility for plus/minus buttons.

2025.10.08 - version 2.8.1
* New: Introduce minimalist cart display mode for cart block and side cart blocks. Enable via `add_filter( 'wc_mnm_enable_minimal_cart_display', '__return_true' );`
* Fix: Fatal error: Uncaught Exception stock validtation in trait-wc-mnm-container-validation.php.
* Fix: Revert wc()->is_store_api_request() usage. It's giving false postives.
* Fix: Incorrect block theme detection logic was hiding full-width layouts for non-block themes.
* Fix: Incorrect context sent to `wc_mnm_container_validation_context` filter was forcing add to cart stock checking on `woocommerce_check_cart_items`.
* Tweak: Add theme button classes to View Cart error notice.

2025.10.02 - version 2.8.0
* IMPORTANT: PHP 7.4 is required | WordPress 6.2.0 is required | WooCommerce 8.2.0.
* Update: Please update any mini-extensions to their latest versions.
* Update: Tested up to WooCommerce 10.2.0.
* Update: Strings updated, please check your translations.
* New: Use transients to store DB queries. Improves single page and cart block performance.
* New: Introduce `sanitize_configuration()`, `is_valid_configuration()`, and `validate_configuration()` methods to `WC_Product_Mix_and_Match` class. Use these instead of `WC_MNM_Cart` methods.
* New: Add support for adding Mix and Match products to existing subscriptions where supported.
* Fix: When no quantity restrictions, still check for changes between add to cart|cart config and allowed config. Closes #555.
* Breaking: `wc_mnm_child_item_quantity_name_prefix` filter is deprecated with no exact replacement though `wc_mnm_quantity_name_prefix` will be similar with different args.
* Tweak: Reduce order notes created when editing containers is admin. Use `add_filter( 'wc_mnm_log_container_config_changes_in_order_notes', '__return_false' );` to disable notes entirely. Closes #552.
* Tweak: Revert back to using wc_mnm_get_child_input_name() to generate input names. Child item class method `get_input_name()` is deprecated.
* Tweak: Update `single-product/mnm/grid/mnm-items-wrapper-open.php` and `single-product/mnm/grid/mnm-items-wrapper-close.php` template to use `woocommerce_product_loop_start()` and `woocommerce_product_loop_end()` respectively to open/close child item loops when those provide <ul> elements. Improves theme compatibility.
* Tweak: Default to removing .has-flex class from container grid. Use `add_filter( 'wc_mnm_grid_has_flex_layout', '__return_true' ); filter to re-enable. Should improve theme compatibility.
* Tweak: Remove layout override options from individual products unless currently in use. Can be restored with `add_filter( 'wc_mnm_show_layout_override_options', '__return_true' );`
* Tweak: Replace "Starting at $x" strings with core wc_get_price_html_from_text().
* Tweak: Stop showing discounts and sale ranges together by default, ~$5.00 – $9.00~ $10.00 – $20.00. Can restore with `add_filter( 'wc_mnm_container_show_discounted_range_price', '__return_true' );`

2025.06.16 - version 2.7.11
* Fix: wc_current_theme_is_fse_theme() is deprecated, use wp_is_block_theme() if it exists.
* Fix: Untranslatable Free! string.
* Fix: Prevent updating container configuration from admin or customer subscription if there's no actual configuration change.
* Tweak: Simplify order notes when editing container configuration from admin or customer subscription editing.

2025.04.02 - version 2.7.10
* Fix: Fatal error in compatibility with Force Sells when displaying force sells on a child item product.
* Fix: Incorrect add to cart error when mix and match container has unsynced force sells.

2025.03.17 - version 2.7.9
* Update: Tested up to WooCommerce 9.9.0.
* New: Force Sells for WooCommerce compatibility.
* Fix: Incorrect class instantiation in admin when product is not mix-and-match type.
* Fix: Escape any remaining translatable strings.
* Change: Move `woocommerce_after_cart_item_quantity_update` callback to earlier priority for Force Sells compatibility.
* Change: `wc-add-to-cart-mnm` script params use booleans instead of yes|no strings. Advanced script integrations should re-test.
* Tweak: Update sass files to use Dart Sass.

2025.01.17 - version 2.7.8
* Fix: Write error to WooCommerce>Status>Logs if child item cannot be saved to DB.
* Fix: Show an admin notice in product editor if child items cannot be saved.
* Fix: Show update notice in product metabox.
* Tweak: Harden foreign key checking on update.

2024.08.22 - version 2.7.7
* Update: Tested up to WooCommerce 9.2.0.
* Fix: Remove image link from thumbnail if theme does not support wc-product-gallery-lightbox.
* Fix: Set validation context to cart if $_GET['update-container'] is set. Fixes display of button text in mobile footer plugin when editing in cart.
* Fix: Change form validation context to edit when switching subscriptions.

2024.08.07 - version 2.7.6
* Fix: Cart validation error when adding multiples of pack with same configuration.

2024.08.05 - version 2.7.5
* Fix: Show parent thumbnail for variations without thumbnail.

2024.07.26 - version 2.7.4
* New: Introduce styling for Mix and Match products in Receipt Rendering engine.
* Fix: Resolved a fatal error triggered with WooCommerce 9.1, when tracking and legacy Order data storage were enabled.
* Fix: Harden validation of mix and match container that's already in cart.
* Fix: Show placeholder image if child product has no thumbnail.
* Tweak: Slight simplification to add to cart validation error strings( "You have selected too many items" and "You have selected too few items"). Double check your translations for  to 

2024.06.29 - version 2.7.3
* Fix: Incorrect quantity input value when editing a mix and match container in cart. #536.
* Fix: Remove permalinks from child items in the cart block.
* Tweak: As a last resort, attempt to get posted quantity from string inputs, ie: "mnm_quantity[99]" which commonly happens when themes attempt ajax add to cart.
* Tweak: Rename wp.hooks action `wc-mnm-initialize.${product_type}` to `wc.mnm.initialize.${product_type}`
* Tweak: Tell `wc-add-to-cart` script params to redirect to cart when editing a container in the cart.

2024.06.26 - version 2.7.2
* Fix: When creating duplicate product, limit duplicating child items to custom DB table if using products as contents source.
* Fix: Missing container contents list in checkout block on initial page load.
* Fix: Fix pay-for-order conflict with WooPayments.

2024.05.11 - version 2.7.1
* New: Introduce `wc_mnm_container_get_cart_edit_link` filter and add APFS subscription parameters to edit in cart link.
* Fix: Handle missed dynamic properties missed in 2.7.0 objects.
* Tweak: Update edit-container.php template.
* Tweak: Parameter for `wc.mnm.initialize.${type}` wp.hook is now an object.

2024.04.22 - version 2.7.0
* Important: Requires WordPress 5.0.
* New: Eliminated dynamic properties on objects. Resolves warning notices in PHP 8.2+. (Important! If using Not Sold Separately, you will need to upgrade to 2.4 of later: https://github.com/kathyisawesome/wc-not-sold-separately/releases/latest)
* New: Introduce wp.hooks actions `wc-mnm-initialize.${product_type}` and `wc.mnm.container.container-updated` and filter `wc.mnm.container.update_order_item_data` for compatibility with mini-extensions. NB: This replaces the experimental `wc_mnm_update_container_order_item_data` triggerHandler and the Javascript `wc-mnm-initialize.${product_type}` custom event in the order metabox scripts.
* Fix: Show child item availability/stock status if container has insufficient stock.
* Tweak: Add grayscale effect to out of stock child items.
* Tweak: Style compatibility tweak for quantity input alignment in Twenty TwentyFour theme.

2023.12.16 - version 2.6.1
* Fix: Adding/editing container contents in Order admin.

2023.12.16 - version 2.6.0
* New: Declare support for Cart and Checkout blocks.
* New: Initial support for Store API add container to cart. #474.
* New: Extend product data response for Store API. Consumed by mini-extensions.
* Fix: Child product modal gallerys due to core WooCommerce using the Script API strategy feature to defer front-end scripts in WordPress 6.3+.
* Tweak: CSS rules for notices in Twenty Twentyfour theme.

2023.12.09 - version 2.5.2
* Fix: Properly close markup after edit in cart link.

2023.12.01 - version 2.5.1
* Fix: Incorrect validation always preventing packs containing any sold individually child item from being added to cart. #516.
* Tweak: Use wc_mnm_is_product_container_type() in store API class for future extensibility.
* Tweak: Always add the validation context as data attribute on to the form.

2023.09.27 - version 2.5.0
* Update: Tested up to WooCommerce 8.2.0.
* Fix: Update all templates for safer string escaping.
* Fix: Update KIA Customizer Range Input package to better limit number of columns in Customizer input.
* Fix: Prevent overfilling of pack on pre-filled packes (pre-filled by URL param).
* Fix: Enqueue order editing scripts on Subscriptions page when using HPOS.
* Tweak: Use admin theme colors in product edit admin.
* Tweak: Slight change to when global mix and match product object is generated in edit screen.

2023.07.11 - version 2.4.10
* Fix: Format the container line total for per-item priced containers with correct decimal setting in the cart block.
* Fix: Order item editing script not loaded on HPOS new order page.
* Fix: Introduce WC_MNM_Core_Compatibility::get_post_or_object_meta() to better support older versions of WC.
* Fix: Suppress item removed popup notifications for child items in Cart Block when Container is removed. #505.
* Tweak: Important: The 'Form Location' option is no longer supported when using a block theme. Use the following snippet to force its use: 'add_filter( 'wc_mnm_has_legacy_product_template', '__return_true' );'  #503.
* Tweak: Hide points and rewards message when container has a minimum of 0 points.
* Tweak: Rename css class for child items in documents generated by Print Invoices and Packing lists.

2023.07.03 - version 2.4.9
* Fix: Problem with plus/minus buttons not being able to reset back to 0.
* Fix: Default to using Astra's plus/minus buttons when active.

2023.06.28 - version 2.4.8
* Fix: Prevent double display of "Edit Selections" button that was introduced by WooCommerce 7.8.

2023.06.27 - version 2.4.7
* Fix: PHP Fatal error: Uncaught Error: Attempt to modify property "data" in REST API product response in PHP 8.1.

2023.06.13 - version 2.4.6
* Update: Tested up to WooCommerce 7.7.0.
* Fix: Use `registerCheckoutFilters` graduated filter in Blocks plugin.
* Fix: Use WC_MNM_Helpers:get_supported_product_types() to define excluded product types automatically in metabox product selector.
* Fix: Allow input quantity to decrease if the container is overfill for any reason.
* Fix: Update single-product/mnm/mnm-product-quantity.php template to remove errant </span> markup.
* Fix: Legacy meta class fatal error when trying to read Pre-1.10 data.
* Fix: Hide child item's stock remaining when parent is out of stock. #499.
* Dev: Rename `wc_mnm_supported_products` filter to `wc_mnm_supported_product_types`

2023.04.24 - version 2.4.5
* Fix: Compatibility with Astra theme's quick view feature.
* Dev: Move conditional logic for customizer settings to their respective callback functions for broader compatibility.

2023.04.24 - version 2.4.4
* New: Add `wc_mnm_child_item_rest_response` filter to customize REST response of child items.
* Fix: Change front end script event listeners to catch pure Javascript events on the quantity inputs.

2023.03.02 - version 2.4.3
* Fix: Vertical alignment of quantity inputs in grid mode (for most themes).
* Fix: Tweak WoodMart theme module to support different column numbers.

2023.03.01 - version 2.4.2
* Fix: Previous quantity is not correctly calculated when it's 0. #495.
* Fix: Declare table display for table element.

2023.02.10 - version 2.4.1
* New: Add string to prompt users to change configuration when editing container.
* Fix: Switch admin notes check to a daily schedule.

2023.02.09 - version 2.4.0
* New: Optional mobile-optimized layout for small screens, see settings in Customizer.
* New: Optional plus/minus buttons, see settings in Customizer.
* New: Display category description when listing child products by category.
* Fix: Reapply discounts/coupons after editing a Mix and Match product in order admin.
* Dev: Move category title text to a template.
* Dev: Move template includes from after_setup_theme to template_redirect hook for better compat with Customzier.
* Dev: Refactor WC_Mix_and_Match_Stock_Manager and WC_MNM_Child_Item classes. Eliminate need to re-instantiate product objects and easier extensibility for validating in other contexts (such as weight). But extreme caution if you were using these classes for any custom purposes.

2023.01.19 - version 2.3.1
* Fix - Fixed double subscription discount on container cart prices when using per-item pricing. #434.

2023.01.16 - version 2.3.0
* IMPORTANT: PHP 7.2 is required.
* Update: Tested up to WooCommerce 7.3.0.
* New: Separate out "X in stock" remaining text and display in child item details, updated single-product/mnm/mnm-product-quantity.php template.
* Fix: Correctly parse hierarchical child category IDs. Closes #470.
* Fix: Add static className to item data for better blocks compat. Closes #468.
* Fix: Missing export data for layout override and weight calculation.
* Fix: Flatsome compatibility for equal-height product images.
* Fix: Disable per-product overrides when viewing customizer.
* Fix: Default value of customizer settings for show thumbnails/short-description.
* Fix: Fixed a fatal error that was triggered when using PHP v8 and using Cart/Checkout Blocks.
* Fix: Rename tabular layout 'product-name' header cell to 'product-details'.
* Tweak: Audit CSS styles to remove as much explicit padding/margin as possible.
* Tweak: Add a close icon to font family for use by mini-extensions.
* Tweak: Add woocommerce_product_loop_title_classes filter for parity with core.
* Tweak: Adjust front-end styles for mobile first.
* Tweak: Center align quantity inputs in Storefront theme.
* Tweak: container.child_items in script is now an ARRAY. Please check if doing very advanced custom Javascript modifications.
* Dev: Rename WC_MNM_Container.validation_context property to validation_mode.
* Dev: Re-key wc_mnm_child_item_data_attributes to not use 'data-' prefix. It will be auto-added.
* Dev: Introduce wc_mnm_center_align_quantity filter.

2022.11.07 - version 2.2.2
* Fix: Double-charging for child items when ordering again. #466.
* Fix: Front-end validation allow overfilled container to be reduced. #461.
* Fix: Child Category IDs are not imported. #467. 
* Tweak: Make get_child_item_by_product_id() method public.

2022.10.24 - version 2.2.1
* Tweak: Use core cart functions for detecting parent/child relationships in cart item filters.
* Tweak: Add wrapping <span> when doing wc_ajax_mnm_update_container_order_item. For compat with mini-extensions.
* Tweak: Admin edit orders, handle updates with no changes.

2022.10.24 - version 2.2.0
* Important: mnm-add-to-cart-wrap.php template is deprecated.
* Update: Tested up to WooCommerce 7.0.0.
* Update: Declare compatibility with High Performance Order Tables (HPOS).
* New: Convert container order item editing to use reuasable ajax callbacks and templates. Fixes display issues in admin and allows for extensibility.
* New: Add get_permalink() and get_title() methods/filters to WC_MNM_Child_Item class.
* New: 2nd parameter to WC_Product_MNM_Data_Store_CPT::query_child_items_by_container() to optionally change format of returned data.
* New: Add `wc_mnm_category_caption` hook for displaying info about the category titles when using category contents.
* Fix: Invalid array_key_exists() syntax in custom db 2.0 upgrade function.
* Fix: Flatsome theme grid classes.
* Fix: Stop saving duplicate meta keys. Upgrade routine to clean up duplicate data.
* Fix: Restore photoSwipe modal for themes that support it.
* Fix: Thumbnail and short description live previews in Customizer.
* Fix - Prevent child item stock from being reduced when editing Mix and Match products in configurable orders.
* Tweak: Change CoCart validation to use built-in validation methods. NB: This means the loss of CoCart specific-filters/error codes, please test accordingly.
* Tweak: Remove quantity inputs for child items in cart block (show per container quantity in title).
* Tweak: Change selections config to per-container quantity in checkout block.
* Tweak: Add styles to order edit modal.
* Dev: Modify $.wc_mnm_form() script to 1. not require passing objects to initialize, 2. define properties in intialize() method so they can be reattached. 3. return the current element for script chaining.
* Dev: Introduce `wc_mnm_product_container_types` filter for testing if product is Mix and Match type. For future extensibilty.
* Dev: Admin functions for generating enhanced searches and toggle fields.
* Dev: Admin Simplify relational hide/show fields in metabox via classnames.
* Dev: Introduce wc_mnm_form_classes filter for <form> element classes.

2022.09.05 - version 2.1.3
* Fix: Fatal error in update cart validation via CoCart
* Tweak: Add check that product still exists in update cart validation.

2022.08.31 - version 2.1.2
* New: Child item step validation on the front-end.
* Fix: Quantity input should default to child minimum if one exists.
* Fix: Add aria-live="polite" on status message.
* Fix: Apply Flatsome compatibility classes only in grid layout.
* Tweak: Animate toast-style error notices for individual child items.
* Tweak: Add query_id parameter to wc_get_products() params when querying child items by category.

2022.08.09 - version 2.1.1
* Fix: Double-application of taxes in front-end status price display.
* Fix: Replace deprecated jQuery.isFunction()

2022.07.25 - version 2.1.0
* Update: Tested up to WooCommerce 6.7.0.
* New: Filter woocommerce_subscriptions_switch_link_text in Subs 4.5.0
* New: Add `wc_mnm_editing_container_in_order_configuration` filter.
* Fix: Add validation to editing container configuration in order admin.
* Fix: Only apply switch link changes to Mix and Match products.
* Fix: Quantity input display when min=max. #438.
* Fix: Fatal error in admin notices - WC_MNM_Install does not exist when WooCommerce is not active.
* Fix: One Page Checkout compatibility with full-width display. #441.
* Tweak: Make reset link behaves more like "clear".
* Tweak: Remove duplicate value attribute from add to cart button.
* Tweak: Add alt class to reset button.
* Dev: Add support for changing frontend validation messages based on context.

2022.07.12 - version 2.0.10
* Fix: Fatal error in cart, undefined function esc_html__x().
* Fix: version_compare() with null as first param is deprecated in php 8.1 #436
* Fix: Metabox link to run upgrade, will actually run upgrade and not scroll to top. #435
* Fix: Do not prompt upgrade routine on new installs.

2022.07.06 - version 2.0.9
* New: Introduce subscription switching text string setting for customizing text of subscription switch link for Mix and Match products.
* Fix: Support displaying SVG icons directly in metabox, better support for alternative layouts.
* Fix: Reorder validation so max messages are used when min=0 and max=X.
* Fix: Magic getter passthrough for product methods on child item object.

2022.06.27 - version 2.0.8
* Fix: Limit loop classes in OceanWP theme compat to grid layout.

2022.06.15 - version 2.0.7
* Important: Slight spacing tweaks in a few strings. Double-check translations.
* New: Introduce Flatsome theme compat module. Closes #350.
* Fix: Min/Max Quantities compat - unset group by quantity as minimum. Closes #316.
* Fix: Don't run foreign key ALTER sql when updating if foreign keys already exist. Removes DB error in log. Closes #426.
* Fix: Update foreign keys to use database prefix.
* Tweak: Add [Frontend] context to customer-facing translatable strings.

2022.06.13 - version 2.0.6
* Fix: When discounting from sale price, use regular price to calculate discounted price if product has empty sale price. Restores strikethrough discount html.
* Fix: PHP notice for undefined $price variable in sale price filter.
* Fix: Support grid styles in quickview modal in Storefront theme.
* Tweak: Change strings and buttons to use "edit|reset selections" instead of "configuration"
* Tweak: Astra support for mobile grids.
* Tweak: Use h4 headings for child product titles.
* Tweak: Remove styles from reset button, inherit from theme button styles.
* Tweak: Refine Mix and Match configuration display in cart block.

2022.06.10 - version 2.0.5
* Fix - Load order/dependencies for the Cart and Checkout blocks scripts.
* New - Display container config in mini cart.

2022.06.09 - version 2.0.4
* Fix: Missing child item configuration in ShipStation.
* Fix: Incorrect cumulative package weight calculation when packed together.

2022.06.08 - version 2.0.3
* Fix: Fatal error with All Products for WooCommerce Subscriptions < 3.2.
* Tweak: Apply style rules by class only and not by list elements.
* Tweak: Add compatibility module for WoodMart theme.
* Tweak: Remove wrapping div from add to cart button.
* Tweak: Change success class to woocommerce-message.
* Dev: Add wc_mnm_grid_has_flex_layout filter.

2022.06.06 - version 2.0.2
* Fix: Fatal error not enough parameters sent to woocommerce_paypal_payments_product_supports_payment_request_button callback.
* Fix: Update zip build routine to always include the block scripts!

2022.06.06 - version 2.0.1
* Fix: Fatal error WC_MNM_PayPal_Compatibility class not found.

2022.06.06 - version 2.0.0
* IMPORTANT: Allowed contents/child items are stored in their own table. - This is a major change to data storage. Please backup your database before upgrading.
* Required: WordPress 4.7 is required.
* Required: WooCommerce 3.6 is required.
* Update: Tested up to WooCommerce 6.5.0.
* New: Support for WooCommerce Cart/Checkout blocks.
* New: Support for selecting allowed contents by category.
* New: Compatibility with All Products for Subscriptions.
* New: Set global styles for Mix and Match products in the Customizer.
* New: Separate template for the add to cart button.
* New: Updated mix and match shipping interface in admin metabox.
* New: Add theme support modules for Astra, Avada, OceanWP, X themes.
* Dev: Add wc_mnm_loop_classes filter to add custom classes to mix and match loop.
* Dev: Add wc_mnm_child_item_classes filter to add custom CSS to child items.
* Dev: Add wc_mnm_child_item_data_attributes filter to add custom data attributes to child items.
* Dev: Deprecated mix and match product class methods - get_children(), get_available_children(), get_contents(), set_contents(), has_children(), has_available_children(), get_child_quantity(), get_child_availability_html(), maybe_apply_discount_to_child()
* Dev: BREAKING! formatting change for results of WC_Product_Mix_and_Match::get_layout_options() and WC_Product_Mix_and_Match::get_add_to_cart_form_location_options()
* Dev: Rename all action hooks with wc_mnm_ prefix. woocommerce_mnm_ hooks are deprecated but should still work.
* Dev: Rename all filters with wc_mnm_ prefix. woocommerce_mnm_ filters are deprecated but should still work.

2022.05.02 - version 1.12.1
* Update: Tested up to WooCommerce 6.5.0.
* Fix: Import/export of child variations.
* Dev: Add update warning notice for when 2.0 is released.

2022.01.28 - version 1.12.0
* Update: Tested up to WooCommerce 6.1.0.
* Note: This release is largely targeted towards improved compatibility with mini-extensions. If you are using any mini-extensions, please look to see if there's an update.
* Dev: Frontend refactor container config to be array of objects. container.api.get_container_config( 'v2' ) to fetch new array[]{ product_id: 99, product_qty: 3 } .
* Dev: Add parameter to wc_mnm_template_add_to_cart() to optionally call add to cart template for a specific product. Improved compatibility with mini-extensions, ie: Grouped MNM.
* Dev: Revamp frontend price/rounding formatting functions to accept custom args.
* Dev: Frontend calculate totals and subtotals from config instead of HTML inputs. This will allow for compat with custom layouts, ie: Select Layouts.
* Dev: Pass false to 'wc-mnm-reset-configuration' triggerHandler to disable update_container(). Also related to compat for custom layouts.

2021.12.16 - version 1.11.6
* Fix: Missing action parameter in add to cart form element.
* Fix: Completely remove WooCommerce Payments payment request buttons for Mix and Match products.

2021.11.19 - version 1.11.5
* Fix: Load RTL stylesheets when not in SCRIPT_DEBUG mode.
* Fix: Load correct stylesheet when in QuickView Modal.
* Tweak: Moved 'add-to-cart' input value to button.

2021.11.11 - version 1.11.4
* Update: Tested up to WooCommerce 5.9.0.
* Fix: Hide PayPal Payments payment request buttons for Mix and Match products.
* Fix: Hide WooCommerce Payments payment request buttons for Mix and Match products.
* Tweak: Display quantity in child product title if min and max allowed quantities are the same.
* Tweak: Wrap main quantity input and add to cart button in div element.

2021.09.21 - version 1.11.3
* Update: Tested up to WooCommerce 5.6.0.
* Fix: Add woocommerce_product_has_options core filter to WC_Product_Mix_and_Match class.
* Fix: Only validate container stock if config is still valid. Resolves issue with empty containers getting added to cart via ajax.
* Fix: Quick view support for products with "after summary" forms.
* New: Add wc_mnm_show_edit_it_cart_link filter. Return false to hide "edit" link in cart. Requires Quick View 1.5.0.

2021.06.11 - version 1.11.2
* Update: Tested up to WooCommerce 5.4.0.
* New: Enable support for Stripe payment requests in carts that contain a Mix and Match product.
* Fix: Compatibility with PayPal Express Smart buttons. Requires WooCommerce PayPal Express gateway plugin v1.6.21.

2021.04.28 - version 1.11.1
* Fix: 1.10.0 database upgrade routine failures when updating 20+ Mix and Match products.

22021.03.23 - version 1.11.0
* New: Use _prime_post_caches() to boost speed of fetching child products.
* Fix: Only add indent wrapping div to product name if it doesn't already exist. Prevent multiple sub-arrows from displaying when coupons fail.
* Fix: Php 8 compat: Required parameter follows optional parameter.
* Fix: Fixed PHP warnings about admin notices.
* Fix: Add margin reset to <figure> in single product page.
* Dev: Add get_props_to_meta_keys() getter to data store class.

2020-12.07 - version 1.10.6
* Fix - Grand total calculations for containers + Product Addons.
* Fix - Prevent double discounts when discounting from sale price.
* Fix - Harden calls to init gallery on child product images to prevent Uncaught TypeError: .wc_product_gallery is not a function.
* Fix - Use wc_product_class() for opening child item divs/rows. Restores compat with filters mini-extension.
* Fix - Min/Max Quantities compatibility - ignore rules on variations too.
* Fix - Add RTL Language style data.

2020.11.18 - version 1.10.5
* Update: Tested up to WooCommerce 4.7.0.
* Fix: Support Min/Max Quantities Variation level min/max rules.
* Fix: CoCart integration configuration support for variation IDs in container.
* Fix: Fix compatibility with Validate by Weight mini-extension.

2020.10.16 - version 1.10.4
* Update: Tested up to WooCommerce 4.6.0.
* Fix: Restore compatibility with One Page Check single product template.
* Fix: Harden is_child_supported_product_type() helper in case $product is false (ie, product no longer exists,etc)
* Fix: pass container object to wc-mnm-container-quantities-updated trigger in front end script

2020.09.29 - version 1.10.3
* New: Add ability to configure the contents of a Mix and Match container in editable/manually-created subscriptions.
* Fix: PHP notice when adding to cart with any child products out of stock.

2020.09.09 - version 1.10.2
* Update: Tested up to WooCommerce 4.5.0.
* New: add has_options() method to product class for better compat with blocks.
* Fix: Elementor style rule, force Elementor to display MNM form as a block instead of flex layout.
* Fix: Fix incorrect shipping state on child items in manually created orders.
* Tweak: Add confirm alert to clear selections button.
* Tweak: Change "Clear selection" to "Clear selections".

2020.08.25 - version 1.10.1
* Fix: Validate stock against quantity already in the cart.

2020.07.24 - version 1.10.0
* IMPORTANT: Includes a Database update so please make a database backup before proceeding.
* New: REST API support for Mix and Match properties in product and order responses.
* New: Compatibility with CoCart plugin. Props @seb86!
* Dev: Change boot method so that `class_exists('WC_Mix_and_Match')` reliably determines if the plugin is active.
* Dev: Deprecate woocommerce_mnm_order_item_part_of_meta_name filter
* Dev: Change "Container size", "Part of", and "Purchased with" order item meta keys to "mnm_container_size", "mnm_part_of", and "mnm_purchased_with"
* Fix: Repair mnm_data meta data save routine.

2020.07.09 - version 1.9.13
* Fix: Update plugin header with tested up to WooCommerce 4.3.0.

2020.07.09 - version 1.9.12
* Update: Tested up to WooCommerce 4.3.0.
* Fix: Fatal error in cart subtotals for Mix and Match container and child products with WC 4.3.0.

2020.06.25 - version 1.9.11
* Fix: Delete accidental logging when container is not purchasable.

2020.06.24 - version 1.9.10
* Fix: Add parameter to wc_mnm_price_format() to return string without HTML. Resolves html in dropdown for All Products with Subscriptions (with bridge plugin).

2020.06.20 - version 1.9.9
* Fix: Make reset button work when editing quantities in cart/after add to cart.
* Tweak: Deprecate maybe_sync() method. Check handled by sync().

2020.06.15 - version 1.9.8
* Fix: Exclude build tools from zip file. Reducing zip file size.
* Fix: Force saving the base price if it doesn't exist.

2020.06.07 - version 1.9.7
* Fix: Stray comma causing parse error in thumbnail template.

2020.06.06 - version 1.9.6
* Update: Tested up to WooCommerce 4.2.0.
* Fix: Add product ID as value attribute to add to cart button. Better compatibility with some ajax add to cart theme scripts.
* Fix: Incorrect display in cart price column for products with per-item pricing.
* New: Add wc_mnm_product_thumbnail_link_classes filter for changing lightbox trigger classes.

2020.05.21 - version 1.9.5
* Fix: Incorrect initialization of the photoSwipe scripts!
* Fix: Prevent linking to thumbnails if theme does not support `wc-product-gallery-lightbox`.
* Fix: Inherit thumbnail of variable product when variation does not have a thumbnail.

2020.05.16 - version 1.9.4
* New: Add lightbox on thumbnails if theme supports wc-product-gallery-lightbox.
* Fix: Remove orphaned child products from cart if parent container is removed.
* Fix: Update Product Addons totals when quantity config changes.

* Tweak: Switch mnm-quantity class to <input> itself.

2020.05.08 - version 1.9.3
* Update: Tested up to WooCommerce 4.1.0.
* Fix: Child products losing style indent when cart it updated.
* Tweak: Stop center-aligning product details. Inherit styles from theme.

2020.04.23 - version 1.9.2
* Fix: Check if cart is set before trying to access cart_contents.
* Fix: Use native functions to get parent container versus searching cart directly.
* Tweak: Add product_id as data attribute to add to cart button, to help some themes that add ajax add to cart.
* Tweak: Auto load certain properties if not defined.
* Tweak: Instead of resetting to minium quantity value, set to original value attribute.
* Tweak: Add broader support for checkbox/dropdown input types. 

2020.04.11 - version 1.9.1
* New: add wc_mnm_before_sync hook
* New: Prepare for compatibility with PayPal Express Smart buttons when PayPal Express gateway plugin updates.
* Fix: Fix broken woocommerce_product_add_to_cart_text core filter.
* Tweak: Simplify error message HTML markup in mnm-add-to-cart-wrap.php template.
* Tweak: Hide error message on load if JS is enabled.
* Dev: Add configuration to add to cart button as data attribute for potential ajax add to cart usage.

2020.03.20 - version 1.9.0
* Update: Tested up to WooCommerce 4.0.0.
* Fix: Script errors when multiple forms are on the same page.
* New: Quantity inputs are empty by default, use WC4 placeholders.
* New: Filter for getting the posted configuration.
* New: Dynamic filter for validating container based on context. 
* New: Script supports passing custom configuration when triggering container update.
* New: Filter the child item's configuration data.
* Fix: Check child cart item is set in cart before accessing.

2020.01.06 - version 1.8.0
* Update: Tested up to WooCommerce 3.9.0.
* Fix: Add min/max size keys to WPML config.
* Fix: Fatal error when all child contents are out of stock and out of stock products are hidden.
* Fix: Fatal error calculating prices when all child contents are out of stock.
* Fix: Do not show add to cart button when no contents are available.
* Fix: Hide quantity inputs when the parent container is not available.
* New: Introduce woocommerce_mnm_content_loop hook.

2019.12.03 - version 1.7.2
* Fix min/max compat. Only restore original values when "ignore min/max" rules is set.

2019.11.19 - version 1.7.1
* Fix - Fatal error from incorrectly named Wishlists compatibility module.
* Update: Tested up to WooCommerce 3.7.0.

2019.10.23 - version 1.7.0
* New - Add ability to configure the contents of a Mix and Match container in editable/manually-created orders.

2019.08.06 - version 1.6.0
* Important - Added support for WooCommerce 3.7+.
* Important - PHP 5.6.20+ is now required.
* Fix: Incorrect error message when 1 quantity is selected.
* Fix: Manually trigger product type change event in metabox on load.
* Tweak - Ignore 'woocommerce_before_cart_item_quantity_zero' action under WC 3.7+.

2019.06.19 - version 1.5.1
* Fix: Print Invoice Compatibility - Do not remove bulk "Order #" headlines.
* Tweak: Limit Name Your Price checkbox display control via "per-item pricing" to only Mix and Match products.

2019.04.15 - version 1.5.0
* Important: Dropped support for WooCommerce 3.0.
* Important: Added support for WooCommerce 3.6+.
* Tweak: Removed old WooCommerce Helper dependencies.
* New: Stop saving "Part of" meta key. Use `add_filter( 'woocommerce_mnm_order_item_legacy_part_of_meta', '__return_true' );` to continue saving.
* Fix: Correct discount calculations when not discounting product from regular price.

2019.03.22 - version 1.4.2
* Fix: Incorrect display in WooCommerce Print Invoices & Packing Lists

2019.02.26 - version 1.4.1
* New: Script auto-support any quantity type input
* Fix: Script errors for custom quantity config
* Fix: Script error for left/right space currency settings

2019.02.22 - version 1.4.0
* NOTICE: Add to cart script heavily refactored. If extending, please test integrations in staging environment before updating.
* New: Support a percentage container discount when in per-item pricing mode.
* New: Ability to edit a container's configruation from the cart.
* New: WooCommerce Print Invoices & Packing Lists compatibility.
* New: Scripts support handling of price suffix with front-end calculation of taxes.
* New: Filter woocommerce_mnm_child_quantity_input_args to change args for only Mix and Matched item quantity selector.
* Fix: Order Again support for WooCommerce 3.5 .
* Fix: Add discount, layout, form location fields to import/export.
* Fix: Handling of Mix and Match content data during import/export.
* Fix: Incorrect price strings in certain instances
* Tweak: Vertical alignment of quantity inputs

2018.11.04 - version 1.3.4
* Fix: Fatal error with Product Addons 3.0, insufficient arguments passed to woocommerce_add_cart_item_data
* Fix: Fatal call to undefined method error on product save when updating constant is defined.
* Fix: Hide reset link when item has not been configured

2018.07.09 - version 1.3.3
* New: Cache calculated prices at runtime
* New: Add content in WP Privacy Policy Guide
* Fix: Replace deprecated WC()->cart->get_cart_url()
* Fix: Explicitly declare grid style inputs as block elements for theme's that don't
* Fix: Add missing parameters to 'woocommerce_get_price_suffix' filter
* Fix: Mobile cart styles
* Tweak: Change thumbnail size to woocommerce_thumbnail.

2018.05.04 - version 1.3.2
* Fix: Replace deprecated WC()->cart->get_cart_url()

2018.05.02 - version 1.3.1
* New: Added woocommerce_mnm_tabular_column_headers filter to control table column headers

2018.04.09 - version 1.3.0
* Important - WooCommerce 2.X support dropped
* New: New layout option, Grid layout!
* New: New option for changing location of add to cart form.
* New: Add support for WooCommerce product import/export.
* Fix: wc_get_product() should include Mix and Match products
* Fix: Shipstation integration.
* Fix: Add blog ID to background updater to resolbve issues with DB updating in a WP MultiSite environment - see https://github.com/woocommerce/woocommerce/pull/18060
* Fix: Remove <label> from MNM product title

2017.08.17 - version 1.2.5
* New: Add support for new WooCommerce updater.
* Fix: PHP 7.1 warnings in cart/checkout.
* Fix: Chrome change event bug.
* Fix: Load plugin textdomain on init hook as recommended by Codex.
* Fix: Re-ordering logic.
* Fix: PHP Warning for illegal offset type in isset or empty in class-wc-product-mix-and-match.php.
* Tweak: Middle-align MNM table cells.

2017.06.19 - version 1.2.4
* Fix: Sanitize NaN child quantity inputs.
* Fix: Return product title when multi-ship items aren't MNM

2017.05.05 - version 1.2.3
* Fix: Incorrect MnM sale price strings.
* Fix: Missing contents data of MnM containers and missing child product attributes when importing orders in Shipstation (Shipstation Integration v4.1.13 required).

2017.04.08 - version 1.2.2
* Fix: Infinite loop when exporting order data to Shipstation/Shipwire under WC 3.0. Triggered when 'WC_Mix_and_Match_Order::get_order_items' is used as a 'woocommerce_order_get_items' filter callback.

2017.04.07 - version 1.2.1
* Fix: Parse error on activation.
* Fix: Fatal error calling method on undefined variable in legacy files

2017.04.02 - version 1.2.0
* Important: WooCommerce 3.0 support added.
* Important: WooCommerce 2.3 support dropped.
* Dev Feature - New global functions for establishing MnM parent/child cart/order item relationships.
* Feature: Container size may now vary between a minimum/maximum value (feature previously available with the "WooCommerce Mix and Match Min/Max" mini-extension).
* Feature: It is now possible to save MnM containers as virtual or physical at will. Child items can be shipped individually without being coupled to the "Virtual" status of their container.
* Feature: It is now possible to save MnM containers as downloadable.
* Important: Data exported to Shipstation is now physically accurate, based on the shipping configuration of MnM products. Child items are no longer exported as individual items to Shipstation when "Per-Item Shipping" is enabled. Instead, their value (and optionally, weight) is aggregated with the value of their container (assuming it is shipped/non-virtual). Fixes issues with incorrect shipping rate calculations.
* Tweak: MnM child products that are physically packaged in their container now show up as individual list/option items grouped under their parent in Shipstation packing slips.

2016.11.29 - version 1.1.8
* Fix: "Fatal error: Function name must be a string in /includes/class-wc-mnm-cart.php on line 879"

2016.09.06 - version 1.1.7
* Fix: Container quantity validation when ordering multiple quantities of same container
* Tweak: Add minimum attribute to admin quantity input

2016.08.10 - version 1.1.6
* Dev: Filter the product types that are allowed in a container
* Dev: Javascript trigger for price updates

2016.06.28 - version 1.1.5
* Fix: calculate min/max price/regular_price meta for per-item priced products based on raw, unfiltered prices
* Tweak: rename Non-Bundled Shipping to Per-Item Shipping

2016.06.02 - version 1.1.4
* Fix: Shipstation import issues due to PHP warnings in XML file.

2016.04.02 - version 1.1.3
* Fix: NaN if casting to int when qty input doesn't exist
* Fix: unified handling of non-purchasable children (display with temporarily unavailable message)
* Tweak: prevent total quantity from ever being higher than container limit

2016.03.23 - version 1.1.2
* Tweak: extra JS validation for sold-individually items to prevent inputs from accepting quantities higher than 1

2016.03.11 - version 1.1.1
* Fix: incorrect error message for containers

201602.17 - version 1.1.0
* Dev Feature: add filter for error quantity validation message
* Fix: numerical agreement in error messages

2015.12.16 - version 1.0.9
* Tweak: leave class "quantity" in place on quantiy input wrapper <div> for better compatibility with themes

2015.12.08 - version 1.0.8
* Fix: quantity validation with no JS
* Tweak: better compatibility with Product Addons for per-item pricing MNM products

2015.11.18 - version 1.0.7
* Fix: Parent containers are sold individually, if contain a product that is sold individually
* Dev Feature: add meta fields via hook for better extending via satellite plugins
* Dev Feature: add filter for container size in order item meta

2015.11.09 - version 1.0.6
* Feature: Ability to define a base price.
* Fix - Validate quantities on update cart if container includes any items sold individually.
* Fix - Limit quantity input max to container size.
* Fix - MnM product prices incl/excl tax according to the 'Display Prices in the Shop' option state.

2015.10.13 - version 1.0.5
* Feature: - Unlimited Size Containers. Set the container quantity to 0 to allow customers to purchase as many items as they want.
* Fix: Cart fatal error when a MnM product in the cart is changed to another product type.
* Fix: Shipstation integration.
* Dev: Add filters for container and child item validation.

2015.08.21 - version 1.0.4
* Fix: Quantity formatting in order-details templates.
* Fix: Ignore `is_purchasable()` for child items in container with static pricing.
* Tweak: better animation of WooCommerce messages.
* Tweak: better formatting of attribute labels.

2015.07.23 - version 1.0.3
* Fix: `get_price_suffix()` strict standards error with WC 2.4.
* Tweak: add `woocommerce-info` class to `mnm_message` div that communicates quantity and totals required.
* Tweak: add `cart_group` class to `form.cart` for better Product Addons support.

2015.06.11 - version 1.0.2
* Fix: Correct template version numbers.
* Fix: Revised indentation of bundled items in cart/orders, etc.
* Fix: Improved compatibility with weight/value-based shipping methods.
* Fix: ShipStation compatibility.
* Dev Feature: When "Non-Bundled Shipping" is unchecked, allow mixed products' weights to be added to the container weight by using the 'woocommerce_mnm_item_has_bundled_weight' filter.
* Fix: Price Filter widget range now takes into account MnM prices correctly.

2015.04.29 - version 1.0.1
* Fix: PHP 5.2 compatibility.

 2015.04.20 - version 1.0.0
* Initial Release.