This WooCommerce extension automatically adds a PDF or XML invoice (e-invoicing) to the order confirmation emails sent out to your customers. Includes a basic template (additional templates are available from WP Overnight) as well as the possibility to modify/create your own templates. In addition, you can choose to download or print invoices and packing slips from the WooCommerce order admin.

Main features

• Automatically attach invoice PDF or XML to WooCommerce emails of your choice
• Download the PDF or XML Invoice / PDF Packing Slip from the order admin page
• Choose from a range of e‑document formats: UBL 2.1, Peppol BIS 3.0, CII D16B, Factur‑X 1.0, ZUGFeRD 1.0, and ZUGFeRD 2.0.
• Generate PDF invoices / packing slips in bulk
• Fully customizable HTML/CSS invoice templates
• Download invoices from the My Account page
• Sequential invoice numbers
• Available in: Czech, Dutch, English, Finnish, French, German, Hungarian, Italian, Japanese (see FAQ for adding custom fonts!), Norwegian, Portuguese, Polish, Romanian, Russian, Slovak, Slovenian, Spanish, Swedish & Ukrainian

Free extensions

The following free extensions are available to add additional features to the plugin:

• PDF Invoices & Packing Slips for WooCommerce - mPDF: Adds support for RTL layout and Arabic script.
• PDF Invoices & Packing Slips for WooCommerce - mPDF CJK: Provides support for Chinese, Japanese, and Korean (CJK) fonts for the mPDF extension.
• PDF Invoices & Packing Slips for WooCommerce - Unicode Language Pack: Adds support for Chinese, Japanese, and Korean scripts.
• PDF Invoices & Packing Slips for WooCommerce - Taxes Summary: Adds a taxes summary table after the order details.

Premium extensions

In addition to this, we offer several premium extensions:

• Create/email PDF Proforma Invoices, Credit Notes (for Refunds), email Packing Slips, automatic upload to Dropbox, Google Drive & more with PDF Invoices & Packing Slips for WooCommerce Professional
• Get the complete feature set, including Professional, Premium Templates, and additional features with the WooCommerce PDF Invoices & Packing Slips Plus Bundle
• Add Peppol network delivery for WooCommerce invoices and credit notes right inside your invoicing workflow. eDocuments for WooCommerce: Peppol
• Automatically send new orders or packing slips to your printer as soon as the customer orders! WooCommerce Automatic Order Printing (PrintNode)
• Enable EU VAT number collection, automatic validation and reverse-charge logic right in your WooCommerce store. WooCommerce European (EU/UK/Norway/Switzerland) VAT Compliance

Fully customizable

In addition to a number of default settings (including a custom header/logo) and several layout fields that you can use out of the box, the plugin contains HTML/CSS-based templates that allow for customization & full control over the PDF output. Copy the templates to your theme folder and you don't have to worry that your customizations will be overwritten when you update the plugin.

• Insert customer header image/logo
• Modify shop data / footer / disclaimer etc. on the invoices & packing slips
• Select paper size (Letter or A4)
• Translation ready

Where can I find the documentation?

PDF Invoices & Packing Slips for WooCommerce documentation

It's not working!

Check out our step by step diagnostic instructions here: https://wordpress.org/support/topic/read-this-first-9/

Where can I find more templates?

Go to wpovernight.com to checkout more templates! These include templates with more tax details and product thumbnails. Need a custom templates? Contact us at support@wpovernight.com for more information.

Can I create/send a proforma invoice or a credit note?

This is a feature of our Professional extension, which can be found at wpovernight.com

Can I contribute to the code?

You're more than welcome! This plugin is hosted on github, where you can post issues or make pull requests. https://github.com/wpovernight/woocommerce-pdf-invoices-packing-slips

How can I display the HTML/CSS source for debugging/developing templates?

There's a setting on the Advanced tab of the settings page that allows you to toggle HTML output. Don't forget to turn if off after you're done testing!

5.14.0 (2026-06-08)

• New: Add partial invoice number search setting
• Fix: Empty order item prices when WooCommerce subtotal is filtered
• Fix: Prevent fatal when REST invoice number lookup returns bulk document
• Fix: Document number display setting not respected in preview
• Fix: Bulk Document: “Mark as printed” not applied to all orders in bulk export
• Translations: Updated translation template (POT)

5.13.0 (2026-06-01)

• New: Add email attachment success/failure logging to order notes
• New: Add WC EU VAT Number plugin support
• Fix: XML action button color in order meta box
• Fix: Include account number in EDI payment means data
• Translations: Updated translation template (POT)
• Tested: Compatibility confirmed with WooCommerce 10.8

5.12.2 (2026-05-25)

• Fix: UBL payable amount for unpaid renewal orders
• Fix: Order selection and XML behavior in document preview
• Fix: Fatal error when locale value is missing
• Fix: EDI price rounding for discounted multi-quantity lines
• Translations: Updated translation template (POT)

5.12.1 (2026-05-18)

• Tweak: Normalize VAT numbers for EDI output
• Fix: Preview document selection panel can't be closed
• Translations: Updated translation template (POT)

5.12.0 (2026-05-11)

• New: Add PHP 8.1 upgrade notice for version 6
• Tweak: Remove "PDF" prefix from document title in order meta box
• Translations: Updated translation template (POT)

5.11.0 (2026-05-05)

• New: My Account display helper to order documents
• Fix: EDI delivery date serialization
• Fix: Show supplier bank account setting for single BACS account
• Translations: Updated translation template (POT)

5.10.0 (2026-05-04)

• New: Add support for subtotal tax rounding in UBL line prices
• New: Add search settings feature
• Tweak: Improve EDI supplier bank details handling across formats
• Fix: Peppol settings visibility when switching formats
• Fix: Escaping context in PDF templates
• Fix: CII invoice XML for discounted and free lines
• Fix: Error on calling woocommerce_register_additional_checkout_field() on older Woo versions
• Fix: Handling of zero product/VAT categories in EN16931 UBL output
• Fix: Fatal error during Peppol checkout field initialization
• Translations: Updated translation template (POT)

5.9.2 (2026-03-31)

• New: Added Composer installation support
• Tested: Compatibility confirmed with WooCommerce 10.7

5.9.1 (2026-03-26)

• Fix: Corrected Peppol Endpoint ID field location setting not being applied due to wrong key
• Fix: Allow resetting Checkout Script Loading setting back to Automatic detection

5.9.0 (2026-03-23)

• New: Introduced filter to allow modification of document number placeholder values
• New: Bump Dompdf dependency to version 3.1.5
• New: Add filter to override classic checkout detection for shortcodes or page builders
• New: Add support for _billing_btw_nummer VAT meta key
• New: Added warning in order sidebar E-Documents meta box when Tax Classification is not configured
• New: Allow manual status check when EDI Peppol document dispatch status gets stuck
• Tweak: Refine preview canvas shadow styling and adjust margin
• Tweak: Improve DB error logging to include failing query and prevent misleading duplicate context logs
• Tweak: Remove supplier legal identifier ID from backend settings and XML generation
• Fix: Fatal error when settings category title is null
• Fix: Plugin check errors and warnings with code improvements and PHPCS adjustments
• Fix: Remove unnecessary unserialization and harden document settings handling
• Fix: Namespaced call to woocommerce_register_additional_checkout_field()
• Translations: Updated translation template (POT)
• Tested: Tested up WordPress 7.0

5.8.1 (2026-03-02)

• Fix: PHP 7.4 parse error caused by sabberworm/php-css-parser dependency update

5.8.0 (2026-03-02)

• New: Automatically derive the Peppol Endpoint ID from the VAT number during checkout and order creation (Belgium supported)
• New: Add unified supplier data filter for CII and UBL and extend Dokan compatibility
• New: Always display VAT number in Order customer identifiers section
• New: Add wpo_ips_edi_due_date_days filter to customize EDI due date days
• Tweak: Improve description of extra template fields to clarify HTML formatting limitations
• Fix: Ensure "Treat as VAT number" setting is saved correctly
• Fix: Copy Peppol meta data and custom VAT field to WooCommerce Subscriptions renewal orders
• Fix: Incorrect VAT breakdown causing CII EN16931 validation failure
• Fix: Revert line net amount alignment change for UBL and CII
• Dev: Update Composer dependencies and add thecodingmachine/safe library
• Translations: Updated translation template (POT)
• Tested: Compatibility confirmed with WooCommerce 10.6

5.7.0 (2026-02-09)

• New: Add filter to override EDI action button HTML
• New: Add cheque payment method support to E-Documents
• Tweak: Align line net amount with unit price times quantity for UBL and CII
• Fix: Authorization when saving Peppol identifiers via AJAX
• Translations: Updated translation template (POT)
• Tested: Compatibility confirmed with WooCommerce 10.5

5.6.0 (2026-01-21)

• New: Introduce filters to customize E-Documents zero-tax category
• Fix: UBL credit note validation failure caused by negative unit price
• Fix: Fatal checkout validation error triggered during Peppol processing
• Translations: Updated translation template (POT)

5.5.0 (2026-01-19)

• New: Add reference to Peppol extension in readme
• New: Added configurable custom field to checkout
• New: Peppol Checkout Field improvements
• Tweak: Normalize Shop VAT and CoC settings to avoid invalid formatted values
• Fix: UBL Tax total rounding issues
• Fix: UBL tax grouping and monetary totals consistency
• Fix: XML preview overflowing horizontally when PDF is embedded
• Fix: Hide XML bulk actions when E-Documents feature is disabled
• Fix: Hide XML preview button for unsupported document types
• Fix: Prevent extra output in individual XML invoice downloads
• Fix: Item price allowance rounding in UBL and CII
• Fix: Backend saving of Peppol Endpoint ID for guest orders
• Translations: Updated translation template (POT)

5.4.0 (2025-12-24)

• New: Added Peppol Network cross-sell to E-Documents Network settings
• Translations: Updated translation template (POT)

5.3.1 (2025-12-23)

• Fix: Ensure Peppol Endpoint ID is saved on checkout, including guest orders
• Translations: Updated translation template (POT)

5.3.0 (2025-12-22)

• New: Advanced Status tool to generate and download a complete plugin report for support purposes
• Tweak: Hide Legal Identifier from My Account Peppol page and order E-Docs meta box
• Fix: Make UBL PartyLegalEntity CompanyID optional for buyer and supplier
• Fix: Fatal error on checkout when checkout fields data is invalid
• Translations: Updated translation template (POT)

5.2.0 (2025-12-09)

• New: Added WooCommerce and WordPress minimum version requirements to the system requirements table
• New: Introduced an ink-saving mode option for the Simple template
• New: Added support for the VAT Number meta key from the WooCommerce EU VAT & B2B plugin
• Tweak: Validate template_path against installed templates list in load_template_functions()
• Tweak: Moved description output before custom field rendering in the settings select() callback
• Fix: Remove XML documents from settings export (no longer supported)
• Fix: Updated documentation link in the E-Documents Tax Classification page
• Fix: Prevented fatal error during checkout validation when hook arguments are invalid
• Fix: Resolved fatal error caused by an invalid option type when loading debug settings
• Fix: Added fallback for wc_string_to_bool() in unstable_option_announcement_notice() to prevent a fatal error when WooCommerce is inactive
• Fix: Header logo not displaying when using remote image URLs
• Translations: Updated translation template (POT)

5.1.0 (2025-11-25)

• New: Add setting to validate customer Peppol Endpoint ID during checkout
• Fix: Ensure Buyer VAT identifier includes country prefix in E-Documents
• Translations: Updated translation template (POT)
• Tested: Compatibility confirmed with WooCommerce 10.4

5.0.0 (2025-11-24)

• New: Refactored E‑Documents Architecture for better EN16931 Compliance and Multi‑Format Support
• New: Document filter functions replaced by new global functions
• Tweak: Enhanced notice displayed when documents are unavailable in the preview
• Tweak: Ensure script compatibility with WooCommerce 10.3
• Fix: Extended currency symbol support in Bulk Actions
• Fix: Harden debug tools AJAX handlers with capability checks and validation
• Translations: Updated translation template (POT)
• Tested: Tested up WordPress 6.9

4.9.1 (2025-11-06)

• Fix: Fatal error when Credit Note passes Order Refund to wpo_ips_order_has_local_pickup_method()

4.9.0 (2025-11-03)

• New: Upgrade Dompdf to version 3.1.4
• Tweak: Improve display of Shipping cost and location details in PDF totals
• Fix: Extended currency symbols show in PDF but not in PDF Preview
• Translations: Updated translation template (POT)

4.8.0 (2025-10-21)

• New: Added notice for missing custom template files
• New: Implemented recurring action scheduling for semaphore cleanup
• New: Upgraded Dompdf library to version 3.1.3
• New: Displayed Pro settings section under the General tab
• New: Added accordion sections to the Advanced settings tab
• New: Added hooks for extra fields support in the PDF document data order metabox
• New: Logged database errors in SequentialNumberStore methods
• Tweak: Improved Semaphore class by adding transient caching for cleanup status
• Tweak: Added note and permalink check for Pretty document links setting
• Fix: Prevented fatal error when SettingsCallbacks::validate() receives false
• Fix: Prevented document links from appearing in all email placements by ensuring each link is added only to its own configured location
• Fix: Removed deprecated finfo_close() calls for PHP 8.5 compatibility
• Fix: Prevented fatal error in yearly_reset_action_missing_notice() when $this->settings is null
• Translations: Updated translation template (POT)
• Tested: Compatibility confirmed with WooCommerce 10.3

4.7.0 (2025-09-09)

• New: Playground blueprint added
• New: Show deleted document numbers in Advanced > Numbers
• New: Hide PDF order metaboxes when no documents are enabled
• New: Advanced setting to choose default admin manual invoice number
• Tweak: Open PDFs in a new browser tab/window on the Thank you page
• Tweak: Extend automatic cleanup to also remove expired semaphore locks
• Tweak: Disable UBL Standard admin notice
• Fix: Setup wizard not retrieving shop address correctly
• Fix: Redirect issue when hiding unstable version notice
• Fix: Prevent email attachments for Packing Slip documents when Pro is not active
• Fix: Update WooCommerce REST order API hook while keeping legacy compatibility
• Fix: Fatal error in setup wizard when wpo_wcpdf_get_country_states() receives a null country code
• Fix: Fatal error when calling WC_Tax::get_tax_rate_classes() on older WooCommerce versions
• Translations: Updated translation template (POT)
• Tested: Compatibility confirmed with WooCommerce 10.2

4.6.3 (2025-08-18)

• Tweak: Mark the wcpdf_get_invoice() and wcpdf_get_packing_slip() functions as deprecated
• Fix: Wrong condition in Semaphore::init_cleanup() preventing cleanup run
• Fix: Item meta display error on legacy WooCommerce installs
• Fix: Fatal error in get_order_fees() caused by unsupported operand types
• Translations: Updated translation template (POT)
• Tested: Confirmed compatibility with WooCommerce 10.1

4.6.2 (2025-07-31)

• Fix: Restore full item meta display in PDF
• Fix: Undefined array key "padding"
• Translations: Updated translation template (POT)

4.6.1 (2025-07-29)

• Tweak: Updated CSS class name used for the shop email in templates
• Fix: Resolved issue with date format for "Mark as printed"
• Fix: Improved settings menu tab styling on smaller screens
• Fix: Prevented PHP warnings when allow_url_fopen is disabled
• Fix: Corrected argument mismatch in add_document_link_to_email()
• Translations: Updated translation template (POT)

4.6.0 (2025-07-15)

• New: Added filter to modify the return value of get_shop_address()
• New: Enhanced document data editing on the order page
• New: Refined styling for settings submenus
• New: Improved Country/State selection in the Setup Wizard Shop Address step
• New: Added "Email Address" to Shop Address fields
• New: Document data editing for Invoices and Credit Notes is now disabled by default. Enable via Advanced settings
• New: Added sync action button to Shop Address fields
• New: Linked documentation to historical settings descriptions
• New: Displayed shop phone number below address in the Simple template
• Tweak: Deprecated legacy shop_address text hook
• Tweak: Updated UBL tax filters to append values instead of overriding defaults
• Fix: Resolved issue where Order Proposal plugin email attachments failed without the Professional extension
• Fix: Allowed HTML in the "Shop Additional Info" field
• Fix: Replaced free-text state input with a select field to ensure valid WooCommerce state codes
• Fix: Added missing documentation link to UBL Tax settings
• Translations: Updated POT file for translations
• Tested: Confirmed compatibility with WooCommerce 10.0

4.5.2 (2025-05-27)

• Tweak: Suppress log entries for missing font files that are expected and not required
• Fix: Support for {state_code} in shop address formatting
• Fix: Restore wpo_wcpdf_shop_address hook for compatibility
• Fix: Missing support for placeholders like {city_upper} in shop address formatting

4.5.1 (2025-05-26)

• Fix: Shop address not shown in documents when historical settings are enabled
• Fix: Validation issues flagged by WP Plugin Check

4.5.0 (2025-05-26)

• New: Separated shop address fields introduced
• New: Categories added to General settings
• New: E-Invoicing tax categories, schemes, and exemption reasons aligned with EN16931 standard
• New: Setup wizard option to display PDF action buttons in orders list
• Tweak: Added permission check to pre-release notice display
• Tweak: Default to PHP file functions in Filesystem class due to WP_Filesystem instability
• Fix: "Reload Attachment Translations" setting always shown as checked
• Fix: Fatal error in Semaphore class when wcpdf_log_error() is undefined
• Fix: Restrict document number input to valid positive integers
• Fix: Fonts not reinstalled properly after upgrade when temporary folder is cleared
• Fix: Delay in updating PDF Document Data
• Translations: Updated translation template (POT)
• Tested: Tested up to WooCommerce 9.9

4.4.1 (2025-04-28)

• Tweak: Improve Invoice My Account link logic for custom status checks and code clarity
• Fix: Type error when accessing debug settings in FileSystem constructor
• Translations: Updated translation template (POT)

4.4.0 (2025-04-22)

• New: Add index on order_id column to document number database tables
• New: Add wpo_wcpdf_settings_default_user_capability filter and improve user capability fallback logic
• New: Helper function to handle UBL file writing with error handling
• New: Hybrid filesystem support
• Tweak: Minor code improvements in Setup Wizard view
• Fix: Deprecation warning for null value passed to substr() when extracting thumbnail URL
• Fix: Missing log function fallback when dependencies are not loaded
• Fix: "Gapped" invoices shown when other documents used the invoice numbering
• Fix: i18n issue in Invoice settings
• Fix: Fatal error when null is passed to in_array() in Documents.php
• Fix: Missing global call to AS functions in Semaphore class
• Fix: PDF preview issues
• Translations: Updated translation template (POT)

4.3.0 (2025-04-07)

• New: Adds setting to toggle PDF translation reload for email attachments
• New: Adds Dompdf log file reference and enable additional debug output when debug mode is active
• New: Add filter to allow customization of document link
• New: Display latest stable and unstable GitHub releases on status page and show admin notice for new unstable versions
• New: Refactor SQL queries for safe table name handling
• Fix: Restore translate() fallback in wpo_wcpdf_dynamic_translate() function
• Fix: Numbers tab datepicker style when SCRIPT_DEBUG is defined
• Fix: Missing translation function for string on Advanced Numbers page
• Translations: Updated translation template (POT)
• Tested: Tested up to WooCommerce 9.8 & WordPress 6.8

4.2.0 (2025-03-24)

• New: Improved fonts check and reinstatement in temporary fonts directory
• New: Function to reload WC webhooks
• New: Improved autoloading for prefixed dependencies
• New: Added plugin-specific filter hook for order item name
• New: Removed the 'Guest' document access type, as it is covered by 'Full'
• New: Updated DOMPDF to v3.1.0
• New: Upgrade link on Packing Slip document status
• New: Added order coupons data to UBL document
• Tweak: Ensured correct PDF Content-Type for improved browser handling
• Tweak: Refactored PDF Simple template order details header for cleaner syntax
• Fix: Improved date field options in Danger Zone tools for clarity
• Fix: SQL interpolation issues flagged by WP Plugin Check
• Fix: Removed duplicate AccountingSupplierParty and AccountingCustomerParty in UBL
• Fix: Resolved issues rendering the number tab results
• Translations: Updated translation template (POT)

4.1.1 (2025-02-17)

• Tweak: Added a documentation link to the System Configuration label
• Tweak: Improved WP Filesystem implementation
• Fix: Cleans up special characters in get_html() for Bulk Document
• Fix: Fixed line breaks not being respected in Document notes

4.1.0 (2025-02-12)

• New: Display Installed Plugin Versions table under Advanced Status
• New: Setting to include document link in emails for guest customers
• Tweak: Enhanced the readme file to list available free extensions
• Tweak: Use wp_kses_post instead of wpo_wcpdf_sanitize_html_content for footer and extras fields
• Fix: Product bundle border bottom in PDF template styles
• Fix: OrderDocument::get_language_attributes() return value must be of type string, null returned
• Fix: Regression in PDF totals style
• Fix: Check if is_enabled() is callable for the document in wcpdf_get_document_file()
• Translations: Updated translation template (POT)
• Tested: Tested up to WooCommerce 9.7

4.0.0 (2025-02-04)

• New: Updated setup Wizard
• New: Comply with WP Plugin Check standards
• New: Function wpo_wcpdf_gettext()
• New: Adds the default PDF column labels to the strings file
• New: Add Lithuanian language pack (document strings only)
• Fix: Document access security issue
• Fix: Remove translatability from VAT and COC fields
• Fix: Call to undefined function standardSerializer() on UBL
• Translations: Updated translation template (POT)

3.9.6 (2025-01-21)

• Fix: Error calling undefined method WC_Order_Refund::get_customer_id()

3.9.5 (2025-01-20)

• New: Email input callback function for settings
• New: Adds support for additional UBL root elements
• New: Add support for multiple handlers under a single root in UblDocument::get_data()
• New: Validation for order tax exemption to apply UBL tax reason
• New: The "Regenerate Invoice" feature now updates UBL Tax item data
• New: Enhance UBL Taxes default selector, 'None' Option
• New: Add cbc:BaseQuantity support to UBL structure
• New: UBL Tax settings now align with the latest settings option
• New: Add utility function for dynamic string translation
• New: Add cbc:BuyerReference element to UBL for buyer reference
• New: Enable Support for cac:PaymentMeans in UBL
• New: Filter hooks for UBL tax schemes, categories, and reasons
• New: Add cac:Price support to UBL
• New: Support for UBL Tax Category Reason
• Tweak: Replace UBL code to get the customer VAT number with new function
• Tweak: Update UBL format selector description
• Tweak: Allow 0 days for the due date
• Tweak: Apply wpo_wcpdf_settings_fields_documents_{$this->type}_pdf before checking the emptiness of the $settings_fields
• Fix: Logo height setting can break document layout on Simple template
• Fix: Setting categories not applied to disabled documents
• Fix: Postcode and city defaults in UBL tax output
• Fix: Incorrect treatment of UBL format setting as historical
• Translations: Updated translation template (POT).
• Tested: Tested up to WooCommerce 9.6.

3.9.4 (2024-12-23)

• New: add a note to inform users about the availability of additional documents
• New: display a notice when the yearly reset action is not scheduled
• Tweak: transition UBL support out of beta

• Translations: update translation template (POT)

• New: enable searching for multiple invoice numbers in the Orders list for HPOS setups

• New: calculate_due_date() document function
• Fix: correct the type of the abstract document order_id property
• Fix: UBL shop country code
• Translations: update translation template (POT)

3.9.2 (2024-12-17)

• New: adds description to UBL format selector
• Fix: issue with PHP extension load checks
• Translations: Updated translation template (POT).

3.9.1 (2024-12-16)

• New: Adds support for multiple UBL formats.
• New: Adds a shop phone number field for e-Invoice support.
• New: Adds user info to order notes when generating documents.
• New: Added an admin notice to inform when server requirements are not met.
• New: Raised the minimum PHP version requirement to 7.4.
• New: Removes space between items table and totals.
• New: Added sections to settings for better organization.
• Tweak: Improve the description of the "Remove released semaphore locks" tool.
• Fix: Upgrade links not displaying correctly.
• Fix: Temp folder warning style issue.
• Fix: Remove unused legacy notice code: check_auto_increment_increment().
• Fix: AJAX preview loading when disabled on settings pages.
• Fix: UBL issue with empty tax on line items.
• Fix: jQuery tipTip function not available.
• Fix: Template item meta styling.
• Fix: Semaphore class name on two classes that were still using the previous name.
• Translations: Updated translation template (POT).
• Tested: Tested up to WooCommerce 9.5.

3.9.0 (2024-10-21)

• New: Updated sabre/xml library to version 4.
• New: Added notice about dropping support for PHP versions below 7.4.
• New: Implemented PSR-4 Autoloading Standard for improved code structure and maintainability.
• New: Deprecated wpo_wcpdf_due_date_display hook.
• Fix: WC item meta style issue when using dd.
• Fix: Relocated wpo_wcpdf_use_path hook before $src empty check.
• Translations: Updated translation template (POT).

3.8.8 (2024-10-08)

• Fix: adds missing deprecated filters to document title methods

3.8.7 (2024-10-07)

• New: Add full compatibility with mPDF to the Simple Template.
• New: Add refund reason and invoice number titles to the document methods abstract class.
• New: Improve template titles registration.
• New: Improve invoice due date setting.
• New: Add "You might also like these plugins" section to the Upgrade tab.
• New: Function to determine if checkout is using block: wpo_wcpdf_checkout_is_block().
• New: Clean legacy Semaphore locks tool.
• New: Automatic cleanup of unlocked Semaphore locks and other improvements.
• New: Tool to remove expired Semaphore locks.
• New: Filter to modify PDF document data fields: wpo_wcpdf_document_data_meta_box_fields.
• Tweak: Lower hook priority (200) for invoice columns in WooCommerce orders list.
• Fix: Replace deprecated jQuery change() function usage.
• Fix: Correct path to generic document icon.
• Fix: Check user capabilities in the enable_debug() function.
• Fix: Load plugin translations later on the init hook.
• Fix: Unblock UI when a tool button is clicked.
• Translations: Update translation template (POT).
• Tested up to WooCommerce 9.4.

3.8.6 (2024-07-18)

• Fix: function add_yith_product_bundles_classes() errors
• Fix: get_header_logo_id() return type fatal error

3.8.5 (2024-07-16)

• New: PDFJS v4.3.136 upgrade
• New: advanced embed images setting
• New: includes ImageMagick library in the Advanced Status
• New: adds Invoice number to search type selector in HPOS setups
• New: adds row classes for "YITH WooCommerce Product Bundles"
• New: register a log for document deletion in the Order Notes
• Tweak: improves header logo loading
• Fix: make Simple template total labels translatable
• Fix: wraps document addresses around <p> tags
• Translations: Updated translation template (POT)
• Tested up to WooCommerce 9.1 & WordPress 6.6

3.8.4 (2024-06-19)

• New: filter hook wpo_wcpdf_multilingual_languages
• New: wpo_wcpdf_get_multilingual_languages() function has been introduced, derived from the deprecated get_languages() function
• Tweak: Added new strings to the strings.php file to improve translations
• Tweak: enhanced notes functions for improved translations when using the Professional extension.
• Fix: normalize_settings_args() function bug on multilingual setups
• Fix: settings language tab issue when adding new language in multilingual setups
• Translations: Updated translation template (POT)

3.8.3 (2024-06-06)

• New: adds language attribute to PDF HTML
• New: Dompdf v3.0.0 upgrade
• New: filter hook wpo_wcpdf_after_system_status_table
• New: filter for server configs wpo_wcpdf_advanced_status_server_configs
• New: PDFJS v3.11.174 upgrade
• Tweak: adds p as allowed tag of the wpo_wcpdf_sanitize_html_content() function
• Fix: number formatting [order_number] placeholder not using parent order number on Credit Notes
• Fix: remove unwanted tags from wpo_wcpdf_sanitize_html_content()
• Fix: removes unused "Log invoice number generation" setting
• Fix: reverts the customer_invoice email title to the original Woo title
• Fix: the function get_extensions_license_data() returning empty if no cached data found
• Fix: bug created by the output of the function wpo_wcpdf_sanitize_html_content() being null
• Translations: Updated translation template (POT)
• Tested up to WooCommerce 9.0

3.8.2 (2024-04-29)

• Fix: "Customer Invoice" email title under "Send order email" metabox
• Fix: filter called with a refund object in get_billing_address() and get_shipping_address()
• Translations: Updated translation template (POT)
• Tested up to WooCommerce 8.9

3.8.1 (2024-04-23)

• New: updates DOMPDF to v2.0.7
• New: adds woocommerce as required plugin
• New: improvements to shop logo to be translatable in future Professional extension version
• Fix: document date parse function being called on non HPOS stores
• Fix: replaces deprecated jQuery functions
• Fix: bug with type hint in wpo_wcpdf_parse_document_date_for_wp_query() function
• Fix: bug calling is_allowed() on bool under wcpdf_get_document() function
• Fix: not removing documents meta on Woo subscription renewal
• Fix: XSS vulnerability on Woo Checkout user input address data
• Fix: Semaphore attachments issue on concurrent refunds
• Translations: Updated translation template (POT)
• Tested up to WooCommerce 8.8

3.8.0 (2024-03-18)

• New: updates composer libraries, specially php-svg-lib because of a security issue
• New: hooks to allow adding new Settings Debug tabs and their contents
• New: implements date type selector on Danger tools
• New: filter wpo_wcpdf_process_danger_zone_tools_date_type
• New: bumps WooCommerce min version to 3.3
• New: function wcpdf_error_handling()
• New: function wcpdf_get_document_output_format_extension()
• New: function wcpdf_get_document_file() to get the document file
• Tweak: adds new filter to include invoice number in HPOS search queries
• Tweak: replace date() with date_i18n() on get_filename()
• Tweak: improves number initiation with new function: init_number() to initiate_number()
• Tweak: hides the extensions banner temporarily
• Fix: bug that caused a sorting issue in the orders list
• Fix: JS error $(...).pointer is not a function
• Fix: danger tools forms not working
• Fix: bulk document missing slug property
• Fix: changed default nonce name for wizard dismissal
• Fix: advanced tools issues like "Generate random temporary directory" not working
• Fix: number tool pagination
• Fix: renumbering documents not working
• Translations: Updated translation template (POT)
• Tested up to WooCommerce 8.7 & WordPress 6.5

3.7.7 (2024-01-29)

• New: extensions license cache system
• New: hides the Upgrade tab on bundle
• New: get document filter hook wcpdf_get_document
• Tweak: improves Simple template files markup
• Tweak: moves the notes hooks position in template files
• Fix: sorting orders by invoice number and date issue on the orders listing page
• Fix: the level parameter sent to the log() method in semaphore class
• Fix: SQL injection bug in Advanced Numbers search
• Translations: make the due date output translatable
• Translations: Updated translation template (POT)
• Tested up to WooCommerce 8.5

3.7.6 (2024-01-09)

• New: enforces PHP 7.2 as minimum version
• New: DOMPDF upgrade to v2.0.4
• Tweak: declare new "Payment date" string for translation
• Fix: potential SQL injection bug in Number Tools
• Fix: bug in get_payment_date()
• Translations: Updated translation template (POT)

3.7.5 (2023-12-13)

• Tweak: includes $args in filter hook wpo_wcpdf_filename parameters
• Tweak: re-adds the legacy hook woocommerce_invoice_number for backwards compatibility
• Fix: bug in "Full" document access using bulk actions
• Fix: fatal error in UBL document

3.7.4 (2023-12-06)

• New: adds new setting to enable semaphore logs
• Tweak: adds descriptions to the COC and VAT settings
• Tweak: replaces Packing Slip shipping function in the template file
• Tweak: adds semaphore to email attachment function
• Fix: bug on get_payment_date()
• Fix: bug on getting VAT & CoC number saved values
• Tested up to WooCommerce 8.4

3.7.3 (2023-11-27)

• New: temporary promo ad
• Tweak: improves the templates number/date functions
• Tweak: update the filter wpo_wcpdf_due_date_display arguments
• Tweak: change the way the setting is retrieved for the due date
• Fix: Packing Slip attachment when Pro is disabled
• Fix: modifying order creation date in the get_due_date method
• Fix: PHP 8.1 preg_replace warning
• Fix: fatal error in the custom_field() function when custom field is an array
• Fix: multiple document generation with "Full" access type
• Fix: empty argument bug for display_due_date method

3.7.2 (2023-11-08)

• New: adds Due Date option to the Invoice settings
• New: filter for plugin directories in Advanced Status tab: wpo_wcpdf_plugin_directories
• New: advanced tab with Number tools extension code integrated
• Tweak: updates Upgrade tab extension features
• Fix: bug on historical settings not being deleted when using most current settings
• Fix: bug on document variable name on output_ubl() method
• Tested up to WooCommerce 8.3

3.7.1 (2023-10-20)

• Fix: bug on UBL preview that forces the invoice creation

3.7.0 (2023-10-18)

• New: adds payment_date() function to be used in templates
• New: adds UBL as additional output format for documents
• New: bump min required PHP version to 7.2
• New: bump min required WordPress version to 4.4 (which was already implicitly by the minimum required WooCommerce version)
• Tweak: switch wpo_wcpdf_before_html and wpo_wcpdf_before_html hooks positions
• Tweak: hide next Invoice number if displaying order number
• Tweak: removed legacy normalize_path functions and replaced with wp_normalize_path
• Fix: bug with HTML output using pretty links. Improved endpoint.
• Fix: potential fatal error if document is false in order list action buttons
• Fix: error when calling order ID on null under output_number_date_edit_fields method
• Fix: bug when displaying the Invoice number/date columns, causing significant drop of performance
• Fix: my account PDF link conflict with Jetpack analytics module
• Fix: PHP error on calling get_title() document method on bool
• Fix: strpos() and str_replace() null parameter deprecated warnings
• Tested up to WooCommerce 8.2 & WordPress 6.4

3.6.3 (2023-09-04)

• New: adds Invoice Number column to the orders export of WooCommerce Analytics
• New: adds a document access denied redirect page setting
• New: hooks before and after debug tools: wpo_wcpdf_before_debug_tools, wpo_wcpdf_after_debug_tools
• Tweak: add a note to make clear that updating the number format only affects new orders
• Tweak: removes legacy mode & textdomain from debug settings
• Fix: undefined WC PageController method is_admin_page bug and replace it with is_admin_or_embed_page

3.6.2 (2023-08-23)

• New wcpdf_document_link shortcode
• New: parameters to download PDF shortcode
• New: adds notice for the upcoming PHP 7.2 requirement
• New: filter hook to strip HTML tags from Shipping Notes wpo_wcpdf_shipping_notes_strip_all_tags
• Fix: bug of passing the wrong variable for the filtered order emails
• Fix: remove old temporary directory when generating new one from status tool
• Fix: displays always the Generate random temporary directory tool
• Fix: issue with Shipping Notes line breaks

3.6.1 (2023-08-16)

• Fix: string encoding issues in PDF

3.6.0 (2023-08-15)

• New: setting for improved document link access type
• New: implemented autoloader for plugin classes
• New: adds a new Status tool to reset plugin settings
• New: invoice number column added to the WooCommerce order analytics
• Fix: replaces utf8_decode() which is deprecated in PHP 8.2
• Fix: allows the translation for the Shipping Notes strings
• Fix: bug when trying to delete temporary files when using mPDF extension
• Fix: bug on $updater returning null in Upgrade tab function
• Fix: deprecates woocommerce_resend_order_emails_available filter
• Fix: several string typos
• Fix: revert breaking long characters in order data labels
• Fix: PHP8.2 creation of dynamic property deprecated warnings
• Translations: Updated translation template (POT)
• Tested up to WooCommerce 8.0 & WordPress 6.3

3.5.6 (2023-06-21)

• New: adds a generic shortcode [wcpdf_download_pdf] for PDF download links
• New: bump preview PDFJS library to v3.7.107
• Tweak: optimize PDFJS library size
• Tweak: remove WPO hiring banner from the Status tab
• Tweak: composer dependencies update
• Fix: font deletion bug after plugin upgrade
• Fix: bug on previewing Credit Note if the order has multiple refunds
• Fix: PHP error on log_document_creation_trigger_to_order_meta() function when trying to get order ID and type
• Translations: Updated translation template (POT)
• Tested up to WooCommerce 7.8

3.5.5 (2023-06-01)

• New: toggle display date and created via on document data
• New: adds support for legacy Sidekick activated licenses in Upgrade tab
• Tweak: log invoice number generation on setting

3.5.4 (2023-05-19)

• Tweak: improves code for the upgrade tab get license info function
• Fix: bug on templates using legacy versions of the Premium Templates extension
• Fix: string translation issues & updated POT
• Fix: bug in slug property not set when defining the document number lock name

3.5.3 (2023-05-15)

• New: display creation trigger in document data and order meta
• New: detects the extension license status in the Upgrade tab
• New: invoice number search document setting
• New: adds new filter to stick Document data metabox: wpo_wcpdf_sticky_document_data_metabox
• Fix: adds semaphore to Invoice number init to prevent concurrent number issues
• Fix: invoice column hooks only on setting condition
• Tested up to WooCommerce 7.7

3.5.2 (2023-04-12)

• New: added upgrade tab

3.5.1 (2023-04-07)

• Tweak: adds user permission check on AJAX document printed
• Fix: bug on trying to save bulk document setting on document_can_be_manually_marked_printed()
• Fix: disallow document creation for anonymized orders

3.5.0 (2023-04-05)

• New: save invoice display date option
• New: mark/unmark Invoice as printed
• New: adds notice when RTL is detected
• New: wpo_wcpdf_preview_after_reload_settings action
• New: wpo_wcpdf_export_settings filter
• Fix: fatal error on WC deactivation
• Fix: invoice number/date screen options bug with HPOS enabled
• Tested up to WooCommerce 7.6 & WordPress 6.2

3.4.0 (2023-02-20)

• New: filter wpo_wcpdf_settings_user_role_capabilities to change role capabilities to access plugin settings
• New: improved debug tools UI
• New: import/export settings tools
• New: dompdf upgrade to v2.0.3
• Fix: save document settings in order meta only on document init
• Tested up to WooCommerce 7.4

3.3.2 (2023-02-03)

• New: dompdf upgrade to v2.0.2
• New: filter to control the value returned by is_woocommerce_activated()
• Fix: JS undefined error when trying to retrieve preview gutter texts

3.3.1 (2023-01-20)

• Fix: applies overflow-wrap:anywhere; to the Simple template body in CSS styles
• Fix: displays a message if the typed next number is superior to MySQL INT max
• Fix: allow preview gutters text to be translated
• Fix: settings forms background color issue
• Fix: PHP notice for undefined index exists
• Fix the year in the date release of v3.3.0 in readme.txt

3.3.0 (2023-01-16)

• New: WooCommerce HPOS compatibility (beta)
• New: reschedule the yearly reset of the numbering system on a button from the Status page
• New: document status table in the Status page
• New: adds document object argument to PDF maker class constructor
• New: filter to allow user to disable the documents private data removal: wpo_wcpdf_remove_order_personal_data
• Tweak: optimizes $wpdb use on Sequential_Number_store class
• Tweak: improves yearly reset number with Action Scheduler and Updraft Plus Semaphore
• Fix: replaces the use of the deprecated wcs_ filter hooks from WooCommerce Subscriptions plugin
• Fix: bail if document data is empty when saving order
• Fix: add nonces to several admin unsecure requests
• Tested up to WooCommerce 7.3

3.2.6 (2022-12-15)

• Fix: adds nonce check in hide link for attachments hint in admin
• Tested up to WooCommerce 7.2

3.2.5 (2022-11-22)

• Fix: allow for WooCommerce Booking without order

3.2.4 (2022-11-07)

• Tweak: update translation template and files
• Fix: break long URLs in different lines if it reaches the available space in Simple template
• Fix: restore deleted strings and load them using standalone strings.php file
• Fix: warning on deprecated argument from product get_dimensions() method
• Tested up to WooCommerce 7.1

3.2.3 (2022-10-28)

• Fix: check if the order is unsaved or doesn't exist before rendering the PDF document
• Fix: bug on getting the order ID from third party objects when attaching PDF to email
• Fix: reverts documents functions/templates escaping that caused issues on version 3.2.2
• Fix: billing/shipping phone getter functions for refund orders
• Tested up to WordPress 6.1

3.2.2 (2022-10-25)

• New: filter to allow customers to access your PDF with a unique key
• Fix: check if the shop logo exists
• Fix: check if HTML is escaped properly before echoing
• Fix: maybe reinstall fonts (if are missing) before PDF output
• Fix: bug on automatic cleanup cron job
• Fix: removes WC legacy versions compatibility classes. Bumps WC minimum version to 3.0
• Fix: allow manually resending new order email
• Fix: run action hooks within invoice columns under order list
• Marked tested up to WooCommerce 7.0

3.2.1 (2022-10-06)

• Renames the plugin to comply with trademark rules

3.2.0 (2022-09-26)

• New: setting to display the Invoice date column in the WooCommerce orders list
• New: updated Dompdf to version 2.0.1, which fixes a security vulnerability.
• New: filter wpo_wcpdf_document_link_additional_vars to add additional query variables to the document link
• Tweak: improved document settings data init/save
• Tweak: improved wizard display settings
• Tweak: improved styles and descriptions for the document 'Number format' settings
• Tweak: new query variable for the shortcode document link

3.1.1 (2022-09-13)

• Fix: fatal error caused by list_files() function missing

3.1.0 (2022-09-06)

• New: custom document links feature available from the Status tab debug settings page. Changes the document links to a prettier URL scheme
• New: action hooks before and after the shop logo: wpo_wcpdf_before_shop_logo and wpo_wcpdf_after_shop_logo
• Fix: replaces WP_Filesystem with PHP functions to delete temporary files
• Marked tested up to WooCommerce 6.8

3.0.1 (2022-08-02)

• New: admin pointer for document settings dropdown
• Security: escape the tab and section parameters before outputting it back, leading to a Reflected Cross-Site Scripting. This bug was reintroduced on version 2.14.0
• Tweak: prevent requirements select to reload settings preview
• Fix: allow remove requirement trigger secondary save button on settings pages
• Marked tested up to WooCommerce 6.7

3.0.0

• Libraries: Updated dompdf to 2.0.0, addressing security vulnerabilities and introducing some changes that could possibly break high level customized setups (more information)
• Fix: respect custom (filtered) woocommerce template paths
• Fix: Check if the invoice is allowed before the shortcode output
• UI: Link to Professional extension for packing slip attachments

2.16.0

• Security: Fix authenticated reflected XSS on the settings page
• Fix: Redirection URLs in wizard and when sending emails manually
• Libraries: updated dompdf to 1.2.2

2.15.0

• New: Filter hooks to override ability to edit document data
• Simple template: Only show shipping & payment method lines when set
• Security: escape urls as late as possible
• Fix: WP6.0+ converting interface elements to emojis
• Tweak: Show sticky save button for all setting changes

2.14.5

• Fix: Preview invoice number & date display settings
• Tested up to WooCommerce 6.5 & WordPress 6.0

2.14.4

• Fix: Content-Length header causing invalid response on some servers

2.14.3

• Fix: preview not updating (unless test mode was enabled)
• Tweak: add styles for custom settings sections
• Tweak: Set Content-Length header for inline display

2.14.2

• Fix: unescape text strings entered in the setup wizard
• Dev: New filter wpo_wcpdf_email_order_object
• UI: Update setup wizard layout
• Libraries: updated dompdf to 1.2.1 (addressing potential security vulnerability)
• Marked tested up to WooCommerce 6.4

2.14.1

• New: Relaunch the Setup Wizard manually from the Status tab
• Fix: Dynamic wpo_wcpdf_tmp_path_{$type} filter hook name parsing
• Fix: removing inline preview for media upload
• UI: Show sticky save button on settings change
• UI: Fill in the document icon sheet with white

2.14.0

• New: Live preview of PDF document on the settings page
• Fix: checks if number store table exists before applying DB migration
• Tweak: Remove i18n for some log strings
• Marked tested up to WooCommerce 6.3

2.13.1

• Fix: load missing non-historical settings for existing invoices
• Tweak: print file & line number for exceptions in error logs & output
• Marked tested up to WooCommerce 6.2

2.13.0

• New: include dompdf temporary folder in cleanup procedure
• New: Add CSS row classes for WPC Product Bundles
• New: filter to override wc_display_item_meta arguments
• Fix: Prevent errors when server doesn't support .webp image rendering
• Fix: change invalid default date 0000-00-00 00:00:00 on number store tables
• Tweak: Don't store non-historical document settings in order meta
• Templates: New action hook before the document label (wpo_wcpdf_before_document_label)
• Libraries: updated dompdf to 1.2.0
• Marked tested up to WP5.9

2.12.1

• Fix: Show a feedback notice after saving settings
• Fix: images with min-width/min-height styles rendered tables incorrectly (dompdf patch)
• Tweak: Disable composer platform check

2.12.0

• New: Support for webp images
• Fix: Plugin version for font synchronizer upgrade procedure
• Fix: force reloading installed template list during template path migration
• Fix: PHP8.1 incompatible return type notice
• Fix: WooCommerce 6.1 deprecations notices
• Dependencies: Updated dompdf to 1.1.1
• Marked tested up to WooCommerce 6.1

2.11.4

• Fix: bundled fonts being deleted during upgrades
• Fix: dompdf 1.1.0+ font cache data compatibility

2.11.3

• Fix: Extended currency symbol support in bulk documents
• Fix: Prevent copying packing slip and other document data for renewal orders (WooCommerce Subscriptions)
• Marked tested up to WooCommerce 6.0

2.11.2

• New: filter and fallback for the default settings tab
• Tweak: Improved font synchronization during plugin updates
• Fix: Allow non-historical text settings
• Fix: Fail more gracefully during install/upgrade/downgrade
• Fix: notice on missing setting on fresh install
• Fix: don't initialize settings when document can't be loaded
• Fix: Prevent unnecessary database queries when settings API is initiated
• Fix: Use ISO currency code for RTL currencies when the default PDF library (dompdf) is used

2.11.1

• Fix: Errors were incorrectly logged after installation when no invoices had been created yet
• Fix: Button styles in order backend

2.11.0

• New: Use year-based number stores for future and past years to handle yearly resets more reliably
• Fix: PHP iconv fallback for custom PHP builds without this function

2.10.6

• Fix: PHP7.1 compatibility

2.10.5

• Security: Apply escaping to translated strings

2.10.4

• Fix: Billing phone not displaying in Packing Slip when billing address was enabled
• Fix: Support for special characters on sites without the PHP MB-string module
• Fix: Don't alter order object when logging document creation for refunds to order notes

2.10.3

• Fix: Secondary address always showed, regardless of setting

2.10.2

• New: Print shipping phone number when available (and enabled in the settings)
• New: Show inline warning on the settings page when the logo is bigger than 600dpi
• Fix: Prevent fatal error when trying to log notes to refund orders
• Fix: MailPoet email compatibility notice
• Translations: Updated translation template (POT)
• Translations: Removed bundled translations for language packs available on wordpress.org
• Marked tested up to WooCommerce 5.9

2.10.1

• Fix: prevent fatal errors if template functions cannot be loaded

2.10.0

• New: Use minified JS & CSS files to reduce load time on live sites (enabling SCRIPT_DEBUG will load full versions)
• New: Selected template setting is now stored as a reference ID rather than a fixed path (#209)
• Fix: Fallback to first available translation for settings when migrating from multilingual to single language setup
• Fix: Undefined variable notice when using [wcpdf_download_invoice] on non-order pages
• Fix: Updated documentation links
• Marked tested up to WooCommerce 5.7

2.9.3

• Fix: JavaScript errors on My Account page with empty link tags
• Fix: Long URLs in notes area breaking layout

2.9.2

• Tweak: Added new 'item-' prefix to item row class ID
• New: filter to set sort order for bulk documents (wpo_wcpdf_bulk_document_sort_order)
• Marked tested up to WooCommerce 5.6

2.9.1

• New: Log manual invoice creation (with logging enabled)
• New: Filters to override body class and content (wpo_wcpdf_body_class & wpo_wcpdf_html_content)
• New: Document methods to get (and override) the number and date titles
• Fix: Open PDF on My Account page in a new browser tab/window (following settings)
• Translations: Update template (POT) and current translation projects
• Marked tested up to WooCommerce 5.5 and WordPress 5.8

2.9.0

• New: Setting to log document generation time & context to order notes
• New: template hooks 'wpo_wcpdf_before_footer' and 'wpo_wcpdf_after_footer'
• New: Save and Cancel buttons for the Document Data metabox
• Fix: Fallback to bundled fonts when temporary folder is not writable
• Fix: empty first page under specific conditions
• Fix: HTML line breaks and special characters in invoice notes
• Fix: Allow setting document date prior to generating it
• Fix: variable not set for filename
• Fix: ensure unique filename in case order number or document number not accessible
• Fix: Fallback if no template is selected
• Translations: Added hints for translators, use numbered placeholders
• Translations: Added Arabic (thanks to Nabil Moqbel)

2.8.3

• New: Allow filtering action button classes
• Fix: Error when no order data passed to filename function
• Fix: During first install, only set defaults if not already (pre-) configured
• Fix: Use WC()->template_path() instead of WC_TEMPLATE_PATH for theme template overrides
• Fix: Checks existence of document data number and date for order metabox fields
• Fix: Prevent WooCommerce deprecation notices for non-product item types
• Fix: jQuery deprecation notices
• Tweak: Show instructions for emails metabox
• Marked tested up to WooCommerce 5.2 and WordPress 5.7

2.8.2

• Fix: Layout issues with totals for documents with more than 1 page
• Fix: Allow setting an Invoice number and date manually
• Fix: Prevent errors on PHP8.0 when order not loaded for a document

2.8.1

• Fix: Images and fonts loading from custom locations for uploads and temporary folders

2.8.0

• Fix: Support for PHP8.0, deprecating support for PHP7.0 or older (separate addon available for backwards compatibility)
• Fix: Setup wizard crash when 3rd party plugins/themes check screen object
• Dev: Use internal date formatting function, allowing easier PDF specific date format overrides
• Dev: Introduced new action hook wpo_wcpdf_document_created_manually
• Marked tested up to WooCommerce 5.0

2.7.4

• New: Show notice if incompatible MailPoet mailing service is used
• New: WooCommerce webhook topic for document saves
• Fix: Don't reverse order of bulk document if already sorted oldest to newest
• Marked tested up to WooCommerce 4.9

2.7.3

• New: Support for line breaks in invoice notes
• Fix: Only pass opened edit fields when regenerating document
• Fix: Words in table headers could be broken up
• Deprecated: legacy translations (pre-2.0) are no longer read automatically (can be enabled in the Status tab)

2.7.2

• Fix: Update invoice number and date when regenerating document from edit mode
• Fix: Prevent infinite loop when temporary folder is not writable
• Fix: Prevent layout issues when custom order data exceeds column width
• Fix: Error when PHP Ctype extension is not installed
• Tested up to WooCommerce 4.8 & WP 5.6

2.7.1

• New: Redesigned action buttons
• New: Randomized temporary folder name for easier protection
• New: Setting to enable/disable customer notes
• New: Completely disable free invoice when that setting is enabled (not just attachments)
• New: Template action hooks before and after shop name and address
• New: Filter to set starting number for yearly reset
• Fix: Errors on third party products without weight/sku/dimensions
• Fix: Uneven spacing between action icons
• Fix: Missing $email_to_send parameter for woocommerce_before_resend_order_emails hook
• Fix: Break long words in billing address
• Tested up to WooCommerce 4.7

2.7.0

• New: Add per-order notes to invoices (requires template update if you have a custom template)
• New: Show notice with instructions for protecting the invoice folder on NGINX setups
• Fix: Show correct "next number" on settings page for sites using MySQL 8+
• Tested up to WooCommerce 4.6

2.6.1

• Fix: Load custom documents once rather than on every document request
• Tweak: execute wpo_wcpdf_init_document action in invoice too
• Tested up to WooCommerce 4.5

2.6.0

• Feature: More advanced address visibility options
• Fix: Deprecation notice in WooCommerce 4.4

2.5.4

• Fix: check for existence of WooCommerce functions preventing incidental crashes in specific deployment setups
• Fix: documents could still be generated programmatically when document disabled and not specifically checking for $document->is_allowed()
• Dev: Filter to disable reloading attachment translations
• Tested up to WooCommerce 4.4 & WP 5.5

2.5.3

• Fix: WP5.5 compatible PHPMailer integration
• Tested up to WooCommerce 4.3

2.5.2

• Fix: ImageMagick version conflict
• Translations: Updated POT

2.5.1

• Fix: Correct integration with permalink settings for [wcpdf_download_invoice] shortcode
• Fix: Plugin assets versioning

2.5.0

• Feature: Manually regenerate individual documents with latest settings (shop address/footer/etc)
• Feature: Shortcode to download invoice: [wcpdf_download_invoice]
• Feature: Logo height setting
• Fix: textdomain fallback would fail on specific site domains including .mo
• Fix: Unnecessary extra page on edge case table heights
• Fix: Settings disappearing when overriding document titles to empty string
• Fix: check if header logo file still exists before loading
• Fix: If document is already created, disregard 'disable for:' setting
• Fix: Reading document settings & number when stored incorrectly (by external plugins)
• Tested up to WooCommerce 4.2

2.4.10

• Tested up to WooCommerce 4.1

2.4.9

• Fix: Backwards compatibility with WooCommerce 2.6
• Fix: Description of the setting to disable invoice for free orders
• Changed: shorter my account button text ("Invoice" instead of "Download Invoice (PDF)")

2.4.8

• Dev: Added wpo_wcpdf_pdf_data filter for direct loading of PDF data
• Dev: Added is_bulk property to bulk documents

2.4.7

• Fix: missing order number in filename when invoice number not enabled
• Dev: Added action hook for document save method (wpo_wcpdf_save_document)
• Dev: Added action hook for printing custom data in PDF invoice data panel (wpo_wcpdf_meta_box_after_document_data)
• Tested up to WooCommerce 4.0 & WP 5.4

2.4.6

• Fix: Locale determination for admins on their own my account page
• Fix: Action buttons icon alignment in WP5.3+
• Fix: Add bulk actions via native WP methods
• Tweak: minimize calls to WooCommerce mailer class when loading settings

2.4.5

• Fix: Prevent errors for subscription tax fallback on refunds

2.4.4

• Fix: German Market thumbnail settings conflict
• Fix: Correctly sanitize wizard text input
• Fix: Link to documentation for increasing memory
• Fix: Fallback for subscription renewal tax rates

2.4.3

• Fix: Prevent errors unsetting a non-existing setting
• Fix: Potential crash on improperly initiated documents
• Fix: Reversed tax rate calculation arguments
• Fix: Support tax rate functions for non-line items
• Fix: comma position on multiple tax rates
• Fix: Setup wizard styles
• Translations: Added lv locale for Latvian (keeping lv_LV as fallback)
• Translations: Updated bundled Czech translations
• Tested up to WooCommerce 3.9

2.4.2

• Fix: 'No' option in new date & number visibility setting
• Fix: Resetting headers caused unintended caching of PDF files on some hosts

2.4.1

• Fix: Creating invoices for draft orders would crash plugin
• Tweak: Include time in default invoice date

2.4.0

• Feature: Option to use order number & date for invoice number & date
• Fix: prevent errors during update when WC not active
• Fix: don't auto create invoice number when manually entered & directly changing order status
• Fix: invoice tax amount for refunded orders (in combination with WooCommerce tax setting "as a single total")
• Tweak: Default to today's date when editing empty invoice date

2.3.5

• Feature: Accept single order ID for wcpdf_get_document function
• Feature: Filter to change number store for invoice
• Tweak: Always prefer WC() function over global for WC3.0+
• Fix: Incorrectly stored attachment settings couldn't be reset
• Fix: Prevent error notices during setup wizard
• Tested up to WooCommerce 3.8

2.3.4

• Fix: Prevent duplicate invoice numbers for multiple attachment setups
• Fix: Apply email order filter for each email separately

2.3.3

• Tweak: Move filter to override order object to document level (rather than per email)

2.3.2

• Fix: Load enhanced selection styles on settings page
• Fix: WC Bookings email attachment
• Tweak: Use WooCommerce 3.7 tax rate data when available.

2.3.1

• Fix: Errors for filtered formatted invoice numbers

2.3.0

• Feature: Setting to disable invoices globally for specific order statuses
• Feature: Control action buttons visibility from settings wizard.
• Feature: Allow loading of existing PDF file instead of generating on the fly via filter (wpo_wcpdf_load_pdf_file_path)
• Fix: Check if temp folder exists before creating
• Fix: Newlines in address from settings wizard
• Fix: Double images issue with WooCommerce German Market
• Fix: Only store document settings when creating one
• Tested with WooCommerce 3.7

2.2.14

• Fix: Set default PHPMailer validator to 'php' (fixing 'setFrom' errors on PHP 7.3)
• Fix: Attachment path for file lock check
• Tweak: Don't wait for file lock if locking disabled
• Tweak: JIT loading of core documents for early requests (before init 15)

2.2.13

• Feature: Better order notes formatting & optional filter for system notes
• Feature: add email object to attachment hook and allow order object filtering
• Fix: WooCommerce Chained Products row classes
• Fix: Issues with locked attachment files preventing the email from being sent correctly

2.2.12

• Tested up to WC3.6
• Fix: Prevent infinite loop on temporary folder creation for partially migrated sites or write permission issues
• Tweak: Removed height & width attributes from logo image (+filter wpo_wcpdf_header_logo_img_element)
• Dev: Enable guest access to PDF with order key in URL

2.2.11

• Fix: Fatal error on orders with multiple refunds

2.2.10

• Fix: Possible conflict with latest Subscriptions
• Fix: Load correct translations when admin user profile language is set to different locale
• Fix: Use file lock to prevent parallel processes creating the same attachment file
• Fix: Prevent notices for incorrectly loaded email classes
• Feature: Allow different invoice number column sorting methods by filter
• Feature: Filter for global prevention of creating specific document (wpo_wcpdf_document_is_allowed)

2.2.9

• Feature: Added customer note email to attachment options
• Fix: Prevent empty invoice dates from being saved as 1970 (fallback to current date/time)

2.2.8

• Tested up to WP5.1
• Tweak: Re-use attachment file if not older than 60 seconds (tentative fix for parallel read & write issues)
• Dev: Added URL overrides to switch between output mode (&output=html) and debug (&debug=true)

2.2.7

• Fix: Hardened permissions & security checks on several admin actions (audit by pluginvulnerabilities.com)
• Feature: Show checkmarks for existing documents on order details page buttons too
• Tweak: Product Bundles compatibility, hide items by default, following bundle settings (Simple Template)
• Tweak: Fallback to billing address on packing slip for orders without shipping address

2.2.6

• Fix: ship to different address check for empty shipping addresses
• Fix: Fix notice when using invoice number by plugin
• Fix: Underline position
• Fix: PHP 7.3 compatibility
• Tweak: Updated dompdf to 0.8.3
• Tweak: move admin menu item to the end of WooCommerce menu
• Tweak: pass document object to paper format & orientation filters

2.2.5

• Feature: Check marks to indicate whether a document exists
• Feature: Test mode to automatically apply updated settings to existing documents
• Feature: Admin bar indicator for debug mode setting
• Fix: always use latest email settings
• Fix: WooCommerce Composite Products item name compatibility
• Fix: Use woocommerce_thumbnail for WC3.3+
• Tweak: apply woocommerce_order_item_name filter (fixes compatibility with WooCommerce Product Addons 3.0)
• Tweak: Use WooCommerce date format instead of WP date format

2.2.4

• Fix: excluding some display options from historical settings
• Fix: fix notices when requesting properties as custom fields (in a custom template)

2.2.3

• Fix: issues reading shop settings

2.2.2

• Feature: Added option to always use most current settings for the invoice
• Fix: Double check for empty document numbers on initialization
• New filter: wpo_wcpdf_output_format to set output per document type

2.2.1

• Fix: potential number formatting issues with wpo_wcpdf_raw_document_number filter
• Fix: prevent direct loading of template files

2.2.0

• Feature: Document settings are now saved per order - changing settings after a PDF has been created will no longer affect the output
• Feature: Button to delete invoice or packing slip
• Feature: Better error handling and logging via WC Logger (WooCommerce > Status > Logs)
• Fix: Broader payment gateway compatibility (lower priority for documents initialization)
• Fix: undefined variable in construct when loading document programmatically (props to Christopher)
• Fix: compatibility with renamed WooCommerce plugins (settings page detection)
• Tweak: Reload translations before creating attachment
• Translations: Updated translations POT

2.1.10

• Feature: Include invoice number and date in WooCommerce data remover and exporter
• Fix: Row class for Chained Products compatibility
• Fix: Improved compatibility with Advanced Custom Fields
• Fix: Setting for disabling for free invoices should be applied even when other plugins are applying rules

2.1.9

• Feature: Automatic cleanup of temporary attachments folder (settings in Status tab)
• Fix: prevent infinite loop on sites without uploads folder
• Fix: tag replacements for externally hosted images (CDN)

2.1.8

• Fix: Fatal error on PHP 5.X

2.1.7

• Feature: add [order_number] placeholder for number format
• Feature: $order and $order_id variables now available directly template (without needing the document object)
• Feature: add actions before & after addresses
• Fix: Sorting orders by invoice number
• Fix: Aelia Currency Switcher - use decimal & Thousand separator settings
• Fix: fix jquery migrate warnings for media upload script
• Tweak: add calculated tax rate to item data

2.1.6

• Fix: Extended currency symbol setting for WooCommerce Currency Switcher by realmag777
• Fix: Apply WooCommerce decimal settings to tax rates with decimals
• Tweak: Pass document object to wpo_wcpdf_email_attachment filter

2.1.5

• Feature: Filter for number store table (wpo_wcpdf_number_store_table_name)
• Fix: prevent accessing order properties as custom field/order meta
• Fix: prevent wrong application of wpo_wcpdf_filename filter
• Fix: Improved tax rate calculation fallback

2.1.4

• Fix: WooCommerce 3.3 action buttons
• Feature: Added row classes for WooCommerce Composite Products

2.1.3

• Fix: Fatal PHP error on My Account page.

2.1.2

• Feature: New action wpo_wcpdf_init_document
• Fix: Use title getters for my-account and backend buttons
• Fix: Legacy Premium Templates reference
• Tweak: Skip documents overview in settings, default to invoice

2.1.1

• Fix: WooCommerce Order Status & Actions Manager emails compatibility
• Feature: sort orders by invoice number column
• Tweak: pass document object to title filters
• Tweak: use title getter in template files (instead of title string)

2.1.0

• Feature: WooCommerce Order Status & Actions Manager emails compatibility
• Fix: Better url fallback for images stored in cloud
• Update: dompdf library updated to 0.8.2 - DOMDocument parser set to default again

2.0.15

• Fix: Prevent saving invoice number/date from order details page when not edited

2.0.14

• Feature: Manually resend specific order emails in WooCommerce 3.2+
• Tweak: Show full size logo preview in settings
• Tweak: Custom field fallback to underscore prefixed meta key
• Dev: added wpo_wcpdf_before_sequential_number_increment action

2.0.13

• Fix: Minor XSS issue on settings screens by escaping and sanitizing 'tab' & 'section' GET variables. Discovered by Detectify.
• Fix: Pakistani Rupee Symbol
• Feature: Automatically enable extended currency symbol support for currencies not supported by Open Sans
• Dev: added wpo_wcpdf_document_number_settings filter

2.0.12

• Option: Use different HTML parser (debug settings)

2.0.11

• Fix: Improved fonts update routine (now preserves custom fonts)
• Fix: Enable HTML5 parser by default (fixes issues with libxml)
• Tweak: Show both PHP & WP Memory limit in Status tab

2.0.10

• Fix: Set invoice number backend button
• Fix: Thumbail paths
• Tweak: Make dompdf options filterable

2.0.9

• Feature: use [invoice_date="ymd"] in invoice number prefix or suffix to include a specific date format in the invoice number
• Fix: Postmeta table prefix for invoice counter
• Fix: 0% tax rates

2.0.8

• Feature: Add support for Bedrock / alternative folder structures
• Dev: Filter for merged documents
• Fix: Better attributes fallback for product variations

2.0.7

• Feature: Added button to delete legacy settings
• Feature: Option to enable font subsetting
• Fix: Invoice number sequence for databases with alternative auto_increment_increment settings
• Fix: Fallback function for MB String (mb_stripos)

2.0.6

• Feature: Improved third party invoice number filters (wpo_wcpdf_external_invoice_number_enabled & wpo_wcpdf_external_invoice_number)
• Fix: Underline position for Open Sans font
• Fix: Invoice number auto_increment for servers that restarted frequently
• Fix: Dompdf log file location (preventing open base_dir notices breaking PDF header)
• Fix: 1.6.6 Settings migration duplicates merging
• Tweak: Clear fonts folder when manually reinstalling fonts

2.0.5

• Feature: Remove temporary files (Status tab)
• Fix: Page number replacement
• Tweak: Fallback functions for MB String extension
• Tweak: Improved wpo_wcpdf_check_privs usability for my account privileges
• Legacy support: added wc_price alias for format_price method in document

2.0.4

• Fix: Apply filters for custom invoice number formatting in document too
• Fix: Parent fallback for missing dates from refunds

2.0.3

• Fix: Better support for legacy invoice number filter (wpo_wcpdf_invoice_number - replaced by wpo_wcpdf_formatted_document_number)
• Fix: Document number formatting fallback to order date if no document date available
• Fix: Updated classmap: PSR loading didn't work on some installations
• Fix: Prevent order notes from all orders showing when document is not loaded properly in filter
• Tweak: Disable deprecation notices during email sending
• Tweak: ignore outdated language packs

2.0.2

• Fix: order notes using correct order_id
• Fix: WC3.0 deprecation notice for currency
• Fix: Avoid crashing on PHP5.2 and older
• Fix: Only use PHP MB String when present
• Fix: Remote images
• Fix: Download option

2.0.1

• Fix: PHP 5.4 issue

2.0.0

• New: Better structured & more advanced settings for documents
• New: Option to enable & disable Packing Slips or Invoices
• New: Invoice number sequence stored separately for improved speed & performance
• New: Completely rewritten codebase for more flexibility & better reliability
• New: Updated PDF library to DOMPDF 0.8
• New: PDF Library made pluggable (by using the wpo_wcpdf_pdf_maker filter)
• New: lots of new functions & filters to allow developers to hook into the plugin
• Changed: $wpo_wcpdf variable is now deprecated (legacy mode available & automatically enabled on update)
• Fix: Improved PHP 7 & 7.1 support
• Fix: Positive prices for refunds
• Fix: Use parent for attributes retrieved for product variations
• Fix: Set content type to PDF for download

1.6.6

• Feature: Facilitate downgrading from 2.0 (re-installing fonts & resetting version)
• Fix: Update currencies font (added Georgian Lari)
• Translations: Added Indonesian

Minimum Requirements

• WooCommerce 3.3 or later
• WordPress 4.4 or later

Automatic installation

Automatic installation is the easiest option as WordPress handles the file transfers itself and you don't even need to leave your web browser. To do an automatic install of PDF Invoices & Packing Slips for WooCommerce, log in to your WordPress admin panel, navigate to the Plugins menu and click Add New.

In the search field type "PDF Invoices & Packing Slips for WooCommerce" and click Search Plugins. You can install it by simply clicking Install Now. After clicking that link you will be asked if you're sure you want to install the plugin. Click yes and WordPress will automatically complete the installation. After installation has finished, click the 'activate plugin' link.

Manual installation via the WordPress interface

1. Download the plugin zip file to your computer
2. Go to the WordPress admin panel menu Plugins > Add New
3. Choose upload
4. Upload the plugin zip file, the plugin will now be installed
5. After installation has finished, click the 'activate plugin' link

Manual installation via FTP

1. Download the plugin file to your computer and unzip it
2. Using an FTP program, or your hosting control panel, upload the unzipped plugin folder to your WordPress installation's wp-content/plugins/ directory.
3. Activate the plugin from the Plugins menu within the WordPress admin.

Simple invoice PDF



Simple packing slip PDF



Quickly print individual invoices or packing slips from the order list



Print invoices or packing slips in bulk



Attach invoices to any WooCommerce email



Set shop name, address, header logo, etc.