WooCommerce PDF Invoices & Packing Slips

(2022-12-15) = * Fix: adds nonce check in hide link for attachments hint in admin * Tested up to WooCommerce 7.2

(2022-11-22) = * Fix: allow for WooCommerce Booking without order

(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_dimentions() method * Tested up to WooCommerce 7.1

(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

(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

(2022-10-06) = * Renames the plugin to comply with trademark rules

(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

(2022-09-13) = * Fix: fatal error caused by list_files() function missing

(2022-09-06) = * New: custom document links feature available from the Status 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

(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

• 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

• 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

• 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

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

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

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

• 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

• 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

• 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

• 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

• 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

• 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

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

• 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

• 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

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

• 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

• Fix: PHP7.1 compatibility

• Security: Apply escaping to translated strings

• 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

• Fix: Secondary address always showed, regardless of setting

• 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

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

• 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

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

• 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

• 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

• 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)

• 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

• 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

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

• 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

• 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

• 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)

• 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

• 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

• 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

• 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

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

• 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 $documment->is_allowed()
• Dev: Filter to disable reloading attachment translations
• Tested up to WooCommerce 4.4 & WP 5.5

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

• Fix: ImageMagick version conflict
• Translations: Updated POT

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

• 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

• Tested up to WooCommerce 4.1

• 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)")

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

• 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

• 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

• Fix: Prevent errors for subscription tax fallback on refunds

• 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

• 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

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

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

• 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

• 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

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

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

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

• Fix: Errors for filtered formatted invoice numbers

• 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

• 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)

• 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

• Fix: Fatal error on orders with multiple refunds

• 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)

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

• 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)

• 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

• 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

• 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 Composit 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

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

• Fix: issues reading shop settings

• 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

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

• 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

• 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 diabling for free invoices should be applied even when other plugins are applying rules

• 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)

• Fix: Fatal error on PHP 5.X

• 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

• 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

• 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

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

• Fix: Fatal PHP error on My Account page.

• 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

• 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)

• 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

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

• 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

• 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

• Option: Use different HTML parser (debug settings)

• 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

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

• 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

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

• 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)

• 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

• 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

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

• 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

• 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

• BIG update! Make a full site backup before upgrading
• 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

• BIG update! Make a full site backup before upgrading
• 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
• Fix: PHP 5.4 issue

• This is the last release before our upcoming 2.0 update
• Feature: Facilitate downgrading from 2.0 (re-installing fonts & resetting version)
• Fix: Update currencies font (added Georgian Lari)
• Translations: Added Indonesian

• Fix: Duplicate invoice numbers when bulk completing orders (WC3.0)
• Fix: Hidden Invoice date when order refunded

• Fix: My account invoice button visibility

• Fix: Empty date handling
• Fix: Shipping notes on refunds (reason for refund)

• Fix: TM Extra Product Options compatibility (in WC3.0)
• Fix: Tax display in WC3.0

• Fix: Error with totals in credit notes
• Fix: Always set invoice date when invoice is create (even display is disabled in the settings)

• Fix: Don't crash with PHP 5.2 or older (5.3 or higher required, 5.6 or higher recommended)

• WooCommerce 3.0 Compatible
• Requires PHP version 5.3 or higher
• Fix: Invoice number display in mobile view
• Fix: Update formatted invoice number in order meta when number is altered
• Tweak: Avoid PHP7 scan false positives in DomPDF

• Feature: new template action hooks wpo_wcpdf_before_document & wpo_wcpdf_after_document
• Tweak: In totals, emphasize order total rather than last item
• Fix: User deprecation notices
• Translations: Updated Slovenian

• Fix: Thumbnail path fallback
• Fix: Edge/IE hour & minute pattern
• Fix: Skip over non-order objects
• Tweak: Let shop manager view My Account links
• Dev: added wpo_wcpdf_before_attachment_creation action
• Translations: Updated POT, Swedish, Dutch & Norwegian

• Feature: Added support for third party invoice numbers
• Feature: Enable pre-invoice number click-to-edit
• Fix: Review link for custom admins
• Fix: PHP7 compatibility
• Fix: Invoice date hour/minute pattern
• Tweak: Multisite WooCommerce check optimization

• Translations: Fixed Romanian (incorrect "Factur Proforma" translation for "Invoice")

• Translations: Fixed "Includes %s" string for WC2.6+

• Fix: Document check that was introduced in 1.5.33 for disable free setting

• Tweak: Don't apply 'disable free' setting to packing slip attachment
• Translations: Updated Romanian

• Fix: Updated currency font with Indian Rupee symbol
• Translations: added Formal German (currently a copy of informal German)

• Feature: [invoice_day] or [order_day] in invoice number format
• Fix: Link to hide all ads when premium extensions active

• Feature: Enable currency font for extended currency support
• Fix: Font sync on plugin update

• Translations: Added Croation (Thanks Neven/Spine ICT!), updated French (Thanks Sabra!)
• Tweak: filter shop address before checking if it's empty
• Dev: added $order to wpo_wcpdf_template_file filter

• Tweak: the 'Next invoice number' is now stored separately in the database for faster and more reliable retrieval. Circumventing any caching, this should prevent duplicate invoice numbers.
• Fix: Bulk actions plugin conflicts
• Experimental: page numbers (use {{PAGE_NUM}} / {{PAGE_COUNT}} in your template)

• Feature: Use [invoice_year] and [invoice_month] placeholders in invoice number prefix/suffix
• Feature: WooCommerce Order Status & Actions Manager emails compatibility
• Feature: Add invoice number to WC REST API
• Fix: Allow positive 'discounts' (price corrections)
• Fix: Discounts rounding
• Translations: Updated Finnish & Portugese & POT

• Feature: Automatically list all emails registered in WooCommerce
• Feature: Reset invoice number yearly
• Feature: WooCommerce Chained Products compatibility
• Feature: WooCommerce Product Bundles visibility settings taken into account in invoice
• Fix: Disable PDF creation from trashed order_ids
• Tweak: Alert when no orders selected for bulk export (Props to Dartui!)
• Tweak: PDF invoice settings always under WooCommerce menu (also for premium users)
• Tweak: extra $item_id passed in row class filter
• Translations: Updated Slovenian, Spanish, Dutch & POT file

• Hotfix: Subscriptions renewal filter arguments

• Fix: WooCommerce Subscriptons 2.0 deprecation notice.
• Tweak: better qTranslate-X support
• Tweak: filter for user privileges check (wpo_wcpdf_check_privs)
• Translations: French translations fix

• Fix: Workaround for bug in WPML (which cleared all settings)
• Translation: fixed Polish translation for invoice

• Translations: Added Estionan (thanks Tanel!)
• Tweak: WC2.4 compatibility

• Feature: Option to 'never' display My Account invoice link
• Fix: Order total for refunds in WC2.4
• Fix: notice when no custom statuses selected for My Account display
• Tweak: Product bundles styles

• Fix: Invoice number search (broke other custom searches)

• Fix: wpo_wcpdf_item_row_class packing slip filter arguments

• Feature: WooCommerce Product Bundles compatibility styles
• Tweak: wpo_wcpdf_item_row_class as filter instead of action

• Feature: Search orders by invoice number (note: search on formatted invoice number only works for new orders)
• Feature: Formatted invoice number stored in order
• Tweak: Function parameters added to some of the filters
• Tweak: WooCommerce 2.4 compatibility
• Dev feature: action to add class to items table row (wpo_wcpdf_item_row_class)
• Translations: Swedish updated (thanks Conney!)
• Translations: Norwegian updated

• Fix: invoice number padding didn't work for values lower than 3
• Tweak: WPML compatibility filter
• Translations: Updated French (Thanks Nicolas!)

• Tweak: Invoice number & date edit fields moved to separate box on order edit page
• Translations: Updated POT & Dutch

• Fix: Better address comparison to determine when to display alternate address
• Tweak: Filter N/A addresses
• Tweak: Use WooCommerce function for 2.3 discounts
• Translations: Czech Updated (Thanks Ivo!)
• Translations: French (minor fixes)

• Translations: added Danish, Updated POT & Italian

• Fix: Product text attributes (now checks key too)
• Fix: Status page upload explanation typos

• Fix: Double check to make sure plugin doesn't attach to user emails

• Feature: Shorthand function to display product attributes: $wpo_wcpdf->get_product_attribute( $attribute_name, $product )

• Feature: disable invoice for free orders
• Feature: action to insert data before & after item meta
• Tweak: Added classes to sku & weight
• Tweak: Hide payment method from totals (already shown in template)
• Translations: Updated POT & Dutch

• Feature: Setting to show email address & phone number on invoice or packing slip (does not work on custom templates based on previous versions!)

• Fix: Check for incomplete line tax data (Subscriptions compatibility)
• Fix: More precise template path instructions
• Fix: duplicate stylesheet filter
• Fix: Always prefer original order's billing address for refunds (WooCommerce EU VAT Number compatibility)
• Translations: Updated German (MwSt. instead of formal Ust.)
• Translations: Updated Dutch

• Tweak: include plugin version in style/script includes
• Tweak: upload code cleanup
• Fix: Parent invoice number (for Credit Notes in professional extension)

• Feature: add original order date value to order date filter
• Feature: Work with line_tax_data when available
• Feature: pass item_id to items
• Tweak: later check for woocommerce active
• Fix: do not try to validate empty settings (Status page settings)
• Translations: Fixed Dutch typo

• Fix: fatal error when trying to activate with WooCommerce not installed yet.
• Tweak: indentation fix on the Simple template

• Fix: prevent errors when upgrading

• Feature: All temporary files are now stored centrally in the WP uploads folder.
• Feature: Debug settings in status panel (output errors & output to HTML)
• Feature: Compatibility filter for WooCommerce Subscriptions (prevents duplicate invoice numbers)
• Tweak: Pass order to totals filters
• Translations: Updated POT
• Translations: Updated Italian (Thanks Astrid!)
• Translations: Updated Dutch
• FAQ: instructions for placing a link on the thank you page

• Fix: fatal error when user registers at checkout (applies to credit notes only)
• Translations: Updated German (Thanks Dietmar!)
• Translations: Place your custom translations in wp-content/languages/woocommerce-pdf-invoices-packing-slips/wpo_wcpdf-LOCALE.mo to protect them from being overwritten by plugin updates.

• Feature: use separate file for all your template specific functions (template-functions.php)
• Translations: Added Slovenian (thanks gregy1403!)
• Translations: Updated Norwegian & Dutch.
• Translations: Added Japanese - needs custom font!
• FAQ: instructions on how to use custom fonts

• Fix: issues with post parent objects (WC2.1 and older)

• Small fix: bulk actions for specific i18n configurations
• Tweak: total row key used as class in Simple template

• Fix: Invoice not attaching
• Translations: Updated POT file
• Translations: Updated Dutch, Norwegian, Polish, Brazilian Portugese, Romanian, Russian, Slovak, Spanish & Ukrainian (Many thanks to all the translators!)
• Templates: added action hooks for easier customizations (wpo_wcpdf_before_order_details, wpo_wcpdf_after_order_details, wpo_wcpdf_invoice_title & wpo_wcpdf_packing_slip_title)

• Feature: Order number and date are now displayed by default in the Simple template (invoice number and date still optional)
• Feature: Display Customer/Order notes with a simple shorthand (see FAQ)
• Translations: Added Brazilian Portugese (thanks Victor Debone!)
• Tweak: Fail more gracefully when there are errors during PDF generation
• Tweak: added template type class to template output body
• Tweak: cleaned up Simple template style.css

• Translations: Added Finnish (Thanks Sami Mkel/Contrast.fi!)

• Fix: check if image file exists locally, fallback to url if not (CDN compatibility)
• Fix: make deleting invoice date possible
• Fix: correct tmp folder check on status page
• Translations: updated po/mo files
• Tweak: changed settings capability requirement to manage_woocommerce (was: manage_options)
• Tweak: better email attachment function
• Tweak: prevent footer overlap (Simple template)
• Tweak: fallback if glob() is not allowed on the server
• Tweak: better custom template instructions (reflects path to actual (child-)theme)

• HOTFIX: WooCommerce 2.2 compatibility fix
• Filter for PDF temp folder (wpo_wcpdf_tmp_path)

• Fix: Double date conversion for order date on invoice number filter (to avoid i18n date issues)
• Fix: Template selector reset after update
• Translations: added Norwegian (Thanks Aleksander!)

• Feature: Editable invoice date per order/invoice.
• Feature: HTML is now allowed in footer and other settings fields.
• Translations: Updated German (Thanks Nadine!)
• Fix: template paths are now saved relative to the site base path (ABSPATH) to prevent errors when moving to another server
• Tweak: Changed bulk action hook for better theme compatibility
• Tweak: Newlines in custom checkout fields

• Feature: Added function to call custom fields more easily (see FAQ)
• Feature: Change the my account button text via a filter (wpo_wcpdf_myaccount_button_text)
• Translations: Added Danish (Thanks Mads!)
• Tweak: only load PDF engine if it's not already loaded by another plugin

• Fix: Don't create invoice number when exporting packing slips
• Fix: Division by zero for 0 quantity items

• Translations: Added Polish (Thanks Mike!)
• Fix: Invoice number formatting notices in debug mode

• NEW Feature: Invoice numbers can now be given a prefix, suffix or padding on the settings page!
• Filter: wpo_wcpdf_email_allowed_statuses to attach pdf to custom order status emails
• Tweak: Sequential Order Numbers Pro compatibility
• Tweak: Filenames are now automatically sanitized to prevent issues with illegal characters

• Fix: error on wpo_wcpdf_email_attachment filter when $pdf_path not set

• Fix: invoice number was cleared when Order Actions were being used when an invoice number was not set
• Translations: Updated Slovak (Thanks Jozef!)
• Translations: Added Czech (Thanks CubiQ!)

• Feature: Added 'status' panel for better problem diagnosis
• Feature: Order & Cart, & total discounts can now be called separately with order_discount()
• Tweak: split create & get invoice number calls to prevent slow database calls from causing number skipping
• Translations: Added Romanian (Thanks Leonardo!)
• Translations: Added Slovak (Thanks Oleg!)

• Feature: added filter for custom email attachment condition (wpo_wcpdf_custom_email_condition)
• Fix: warning for tax implode

• Fix: warning for tax implode
• Fix: hyperlink underline (was more like a strikethrough)

• Translations: Fixed German spelling error
• Translations: Updated Swedish (Thanks Fredrik!)

• Translations: Added Swedish (Thanks Jonathan!)
• Fix: Line-height issue (on some systems, the space between lines was very high)

• Fix: bug where 'standard' tax class would not display in some cases
• Fix: bug that caused the totals to jump for some font sizes
• Fix: WC2.1 deprecated totals function
• Fix: If multiple taxes were set up with the same name, only one would display (Simple template was not affected)

• Template: Body line-height defined to prevent character jumping with italic texts
• Fix: Open Sans now included in plugin package (fixes font issues for servers with allow_url_fopen disabled)

• Translations: POT, DE & NL updated
• Fix: Removed stray span tag in totals table

• Tweak: Spanish translation update (thanks prepu!)
• Fix: More advanced checks to determine if a customer can download the invoice (including a status filter)

• Feature: Optional Invoice Number column for the orders listing
• Feature: Better support for international characters
• Feature: Added Russian & Ukrainian translation (thanks Oleg!)
• Tweak: Updated Spanish (Thanks Manuel!) and Dutch translations
• Tweak: Updated POT file
• Tweak: Memory limit notice
• Tweak: Filename name now includes invoice number (when configured in the settings)

• Feature: Set which type of emails you want to attach the invoice to

• Feature: Manually edit invoice number on the edit order screen
• Feature: Set the first (/next) invoice number on the settings screen
• Fix: Bug where invoice number would be generated twice due to slow database calls
• Fix: php strict warnings

• PDF engine updated (dompdf 0.6.0)
• Simple template now uses Open Sans to include more international special characters
• Implemented filters for paper size & orientation (read here)
• Download PDF link on the my account page is now only shown when an invoice is already created by the admin or automatically, to prevent unwanted invoice created (creating problems with european laws).

• Fix: shipping & fees functions didn't output correctly with the tax set to 'incl'

• Feature: Sequential invoice numbers (set upon invoice creation).
• Feature: Invoice date (set upon invoice creation).

• Feature: Hungarian translations added - thanks Joseph!
• Tweak: Better debug code.
• Tweak: Error reporting when templates not found.
• Fix: tax rate calculation for free items.

• Feature: German translations added - thanks Christian!
• Fix: dompdf 0.6.0 proved to be less stable, so switching back to beta3 for now.

• Fix: Template paths on windows servers were not properly saved (stripslashes), resulting in an empty output.

• Feature: PDF engine (dompdf) updated to 0.6.0 for better stability and utf-8 support.
• Tweak: Local server path is used for header image for better compatibility with server settings.
• Fix: several small bugs.

• Feature: Totals can now be called with simpler template functions
• Feature: Italian translations - thanks max66max!
• Tweak: improved memory performance

• Feature: French translations - thanks Guillaume!

• Feature: Fees can now also be called ex. VAT
• Feature: Invoices can now be downloaded from the My Account page
• Feature: Spanish translation & POT file included
• Fix: ternary statements that caused an error

• Feature: Fees can now also be called ex. VAT
• Feature: Invoices can now be downloaded from the My Account page
• Feature: Spanish translation & POT file included
• Tweak: Packing slip now displays shipping address instead of billing address
• Tweak: Variation data is now displayed by default
• Fix: ternary statement that caused an error

• First release