Breadcrumb NavXT

Release date: July, 17th 2022

• Behavior change: BCN_SETTINGS_FAVOR_* constant behavior changed to take advantage of settings changes in 7.0.
• Behavior change: Settings page now warns if it detected CPTs that were added too late.
• New feature: Added bcn_before_loop filter which runs at the top of bcn_breadcrumb_trail::display_loop().
• New feature: Added JSON formatted settings import and export (successor to the old XML settings import/export format).
• Bug fix: Fixed PHP error caused by term archives that dont know the active term.
• Bug fix: Fixed PHP error caused by introduction of namespacing in the legacy XML settings importer and exporter.
• Bug fix: Explicitly set option autoload values, avoiding inappropriate default autoload values being used.

Release date: January, 4th 2022

• Behavior change: Allow value of Hhome_template, Hhome_template_unlinked, hseparator, and hseparator_higher_dim to be overridden via bcn_settings_init.
• Bug fix: Fixed cause of Sorry, you are not allowed to access this page. message when attempting to visit the settings page.

Release date: December, 27th 2021

• Behavior change: Moved bcn_settings_init filter to before establishing default setting values. This filter is no longer capable of changing the default values of settings.
• Behavior change: Moved setup of defaults to 9000 priority, intending to cover the majority of plugins that add CPTs.
• Bug fix: Fixed compatibility issues with PHP5.6.
• Bug fix: Fixed PHP error caused by some return value of page_ settings.
• Bug fix: Fixed PHP error caused by non settings settings in array passed into adminKit::settings_to_opts.
• Bug fix: Fixed issue with bcn_allowed_html not covering admin interface elements (mapped bcn_allowed_html to mtekk_adminkit_allowed_html).

Release date: December, 17th 2021

• Behavior change: Within the bcn_breadcrumb_trail object instead of passing term id and taxonomy, a WP_Term object is passed instead.
• Behavior change: Attachments now use parent post type for post type argument.
• New feature: Moved to adminKit 3.0
• New feature: Core bcn_breadcrumb_trail object now supports multi dimensional trails.
• New feature: Added bcn_opts_update_to_save filter.
• Bug fix: Fixed parameter order issue in REST controller that resulted in PHP Deprecated message in PHP8.
• Bug fix: Updated REST controller endpoint registration for better WordPress 5.5+ compatibility.
• Bug fix: Fixed compatibility issue with Widget settings not saving properly in WordPress 5.8.
• Bug fix: Fixed issue with the position count parameter within bcn_display when outputting a trail in reverse order.

Release date: October, 31st 2020

• Behavior change: Moved to using the post type of the parent post for the type archive rather than that of the current item.
• Bug fix: Fixed error thrown when a site does not have an administrator role.

Release date: June, 12th 2020

• Behavior change: Moved to using the taxonomy of the term rather than passed in taxonomy in various functions. As a consequence, this allows bcn_pick_post_term to override the taxonomy selection.
• Behavior change: Default template for unlinked breadcrumbs now includes breadcrumbList markup.
• New feature: Added new filter bcn_breadcrumb_linked.
• New feature: Introduced new WordPress capability: bnc_manage_options.
• Bug fix: Fixed XML settings exporter so that it no longer creates malformed files that cannot be imported when settings contain special HTML entities.

Release date: December, 31st 2019

• Behavior change: Attachment post type settings moved to Media, additional post type options made available.
• Behavior change: Privately published parent posts are now, by default, skipped over in breadcrumb trails.
• Behavior change: On single post breadcrumb trails, the hierarchical term code path is now used in cases where only a single term from a non-hierarchical taxonomy is present for the current post.
• New feature: Allow %link% tag in unlinked breadcrumb templates.
• New feature: Added bcn_show_post_private filter.
• New feature: Added bcn_show_type_term_archive filter.

Release date: May, 3rd 2019

• New feature: Added Gutenberg block for displaying breadcrumb trails.
• New feature: Added bcn_display_attribute_array filter.
• New feature: Added bcn-aria-current template tag to facilitate WAI-ARIA Breadcrumb support.
• Bug Fix: Updated settings page to follow WP core standards for header structure.
• Bug Fix: Updated checkbox in adminKit to eliminate multiple labels to follow WCAG 2.0.
• Bug Fix: Fixed PHP error in circumstances of bcn_breadcrumb_trail::fill() falling back on treating an unknown item as a taxonomy.

Release date: October, 26th 2018

• Behavior change: Added span element wrapping the breadcrumb title in the default unlinked breadcrumb template.
• Bug fix: Fixed issue that caused PHP warnings and the following settings were not saved messages for hierarchical CPTs.

Release date: September, 24th 2018

• Behavior change: Cleaned up translations for default templates, simplifying and clarifying the translatable content.
• Behavior change: Default unlinked breadcrumb templates no longer contain Schema.org BreadcrumbList markup.
• Behavior change: Breadcrumb NavXT REST API endpoints are no longer enabled by default.
• New feature: Added bcn_register_rest_endpoint filter.
• New feature: Added bcn_breadcrumb_assemble_json_ld_array filter.
• New feature: Added support for following the post parent hierarchy first then falling back to a secondary hierarchy.
• Bug fix: Fixed issue where on loading the settings page immediately after migrating settings causes PHP warnings on CPT and custom taxonomy settings.
• Bug fix: Fixed issue that caused the settings reset option under the help drop down to not work.

Release date: June, 1st 2018

• Behavior change: Links to generate support requests migrated to the WordPress.org forums.
• New feature: Added support for Schema.org BreadcrumbList (microdata format) in the included widget.
• New feature: Added new Root Page support for author archives.
• New feature: Added REST API endpoint for posts, terms, and author archives.
• Bug fix: Corrected label for the Schema.org BreadcrumbList (RDFa format) option in the included widget.
• Bug fix: Fixed issue where a PHP warning would be thrown due to get_term() returning something other than an instance of WP_Term.

Release date: January, 26th 2018

• Behavior change: Added auto migration of post type hierarchy settings to bcn_display*() functions.
• Bug fix: Fixed issue where a PHP notice would be generated on the page for posts when the blog breadcrumb display option is set to false.
• Bug fix: Fixed issue where a PHP notice would be generated on archive pages where attachments were included in the wp_query results.

Release date: January, 1st 2018

• Bug fix: Fixed issue where an improper breadcrumb would be generated in the trail for pages under some circumstances.
• Bug fix: Fixed issue where the post and page roots were not updating to track user changes in Settings > Reading.

Release date: December, 30th 2017

• Behavior change: Added warning alerting that bcn_breadcrumb::type must be an array.
• Bug fix: Changed Breadcrumb Separator and Paged Template from an input field to a textbox to reduce confusion caused by HTML entities.
• Bug fix: Fixed issue where the parents of a page may not show up in the breadcrumb trail.
• Bug fix: Fixed issue where the $reverse parameter for bcn_display and bcn_display_list did not work properly.
• Bug fix: Fixed issue where the bcn_display_list function did not include the li elements.

Release date: December, 28th 2017

• Behavior change: Removed unused Blog Template and Blog Template (Unlinked) from settings page.
• Bug fix: Fixed issue where changes to the hierarchy type for any post type would not save.
• Bug fix: Fixed issue where the blog display setting was ignored.

Release date: December, 26th 2017

• Behavior change: bcn_breadcrumb_trail::display_list() deprecated in favor of using the $template parameter in bcn_breadcrumb_trail::display().
• Behavior change: bcn_breadcrumb_trail::do_attachment() deprecated in favor of calling bcn_breadcrumb_trail::do_post().
• Behavior change: bcn_breadcrumb_trail::do_front_page() deprecated in favor of calling bcn_breadcrumb_trail::do_home().
• Behavior change: bcn_li_attributes filter was deprecated in favor of bcn_display_attributes.
• Behavior change: bcn_breadcrumb_trail::do_archive_by_date() deprecated in favor of calling bcn_breadcrumb_trail::do_day(),bcn_breadcrumb_trail::do_month(), and/orbcn_breadcrumb_trail::do_year()`.
• Behavior change: bcn_breadcrumb_trail::find_type() deprecated and removed from bcn_breadcrumb_trail.
• Behavior change: Breadcrumb for 404 error pages changed to be a child of the front page.
• New feature: Added support for various HTML tags in the widget's pretext field.
• New feature: Added bcn_default_hierarchy_display filter.
• New feature: Added bcn_default_hierarchy_type filter.
• New feature: Added $posttype_name as the third parameter to bcn_show_tax_private.
• Bug fix: Fixed UI/UX issue in the settings screen where enabling/disabling settings groups for the Home, Blog, and Mainsite breadcrumb settings did not work.
• Bug fix: Fixed UI/UX issue in the settings screen where not including the paged breadcrumb still allowed the paged breadcrumb template to be edited.
• Bug fix: Removed use of create_function in registering the widget as it was deprecated in PHP 7.2.

Release date: June 30th, 2017

• Bug fix: Fixed erroneous use of $linked that caused a PHP warning in bcn_display_json_ld().
• Bug fix: Fixed issue where removing a breadcrumb from the trail could cause one or more breadcrumb separators to inappropriately disappear.

Release date: April 21st, 2017

• New feature: Added bcn_display_json_ld() function for producing Schema.org BreadcrumbList compliant JSON-LD markup.
• Bug fix: Fixed issue where the uninstaller caused PHP Errors when ran from WP CLI.
• Bug fix: Fixed issue where bcn_breadcrumb_trail::find_type() caused a PHP Warnings in certain circumstances.
• Bug fix: Fixed typo in the administrative interface.

Release date: December 23rd, 2016

• New feature: Added fourth parameter, $force, to bcn_display(), and bcn_display_list() allowing the internal caching mechanism to be bypassed.
• New feature: Moved to multiple line text boxes rather than regular single line text inputs for the breadcrumb templates in the settings page to enhance visibility.
• Bug fix: Fixed issue where general searches had the blog breadcrumb in the breadcrumb trail.
• Bug fix: Fixed issue where the blog breadcrumb options were erroneously made available when a Posts Page was not set.

Release date: September 30th, 2016

• Bug fix: Fixed issue where the blog breadcrumb setting does not affect the inclusion of the blog breadcrumb in the breadcrumb trail.

Release date: August 13th, 2016

• Bug fix: Fixed issue in bcn_breadcrumb_trail::find_type() that identified pages as posts, causing the erroneous inclusion of the post root in the breadcrumb trail for pages.

Release date: August 12th, 2016

• Behavior change: Internal mechanics to handle post parents as the hierarchy for a post (of any post type) has changed to use 'BCN_POST_PARENT' rather than 'page' for the taxonomy_type.
• Behavior change: Internal mechanics to handle dates as the hierarchy for a post (of any post type) has changed to use 'BCN_DATE' rather than 'date' for the taxonomy_type.
• Behavior change: Taxonomy term hierarchy selection logic in bcn_breadcrumb_trail::pick_post_term() has changed to picking the deepest known child of the first hierarchy found in the list of terms returned by get_the_terms() rather than the first term with a child.
• New feature: Added support for referer influenced taxonomy selection for a post's (any post type) breadcrumb trail.
• New feature: Added translate and lang as valid attributes for tags within breadcrumb templates.
• New feature: Added srcset and sizes as valid attributes for img tags within breadcrumb templates.
• New feature: Added itemprop as a valid attribute for the meta tags within breadcrumb templates.
• Bug fix: Fixed various issues caused by other plugins/themes modifying the $post global.
• Bug fix: Fixed issue where WPML Extensions would cause a CPT without a set root page to use the Post post type's root page.

Release date: March 15th, 2016

• Behavior change: Migrated to new adminKit version, some functions previously in the admin classes are now handled upstream.
• New feature: Added bcn_post_terms filter to bcn_breadcrumb_trail::post_terms() to control the terms included in a non-hierarchical term breadcrumb for a post.
• New feature: Added bcn_add_post_type_arg filter to bcn_breadcrumb_trail::maybe_add_post_type_arg() to control when the post_type argument is added to URLs for archives.
• New feature: Added bcn_pick_post_term filter to bcn_breadcrumb_trail::post_hierarchy() to allow overriding Breadcrumb NavXTs default term selection behavior.
• Bug fix: Fixed issue with untranslatable title on the settings page.
• Bug fix: Cleanup of several trivial differences between bcn_admin and bcn_network_admin.
• Bug fix: Fixed improper display of Your settings are out of date. Migrate now. message on fresh installs.
• Bug fix: Clarified verbiage in regards to the paged breadcrumb.
• Bug fix: Added translation wrappers for date format strings in bcn_breadcrumb_trail::do_archive_by_date().
• Bug fix: Fixed issue where bcn_breadcrumb_trail::is_builtin() would cause PHP warnings when the passed in post type was not an actual post type.
• Bug fix: Fixed issue that would cause a PHP error if WP_Widget is unavailable.

Release date: December 14th, 2015

• Bug fix: Fixed alignment issue of the main content of the settings page on WordPress 4.4.
• Bug fix: Fixed error caused by options upgrading not re-establishing new settings.
• Bug fix: Fixed PHP error caused by bcn_breadcrumb_trail::get_type_string_query_var() returning an array when the post_type query variable is an array.

Release date: November 12th, 2015

• Behavior change: Breadcrumb NavXT will no longer default to setting the root page for CPTs.
• Behavior change: Breadcrumb NavXT will no longer inject a breadcrumb for a CPT archive page if a root page is set for that CPT.
• Behavior change: Breadcrumb NavXT now defaults to BCN_SETTINGS_USE_LOCAL rather than BCN_SETTINGS_USE_NETWORK if all of the BCN_SETTINGS_* globals are not defined.
• Behavior change: The included widget now supports RDFA style, Schema.org BreadcrumbList format rather than the deprecated Google Breadcrumbs format.
• Behavior change: Default settings for breadcrumb templates now conform to RDFA style, Schema.org BreadcrumbList format rather than the deprecated Google Breadcrumbs format.
• New feature: Added bcn_widget_display_trail action to enhance the included widgets extensibility.
• New feature: Added bcn_widget_display_types action to enhance the included widgets extensibility.
• New feature: The plugin uninstaller has been re-factored, includes support for uninstalling in PHP5.2.
• New feature: Unit tests added for all non-deprecated features in bcn_breadcrumb.
• New feature: Unit tests added for the uninstaller.
• New feature: Date based hierarchies are now available for CPTs.
• New feature: Date archives restricted by CPT are now supported.
• New feature: Taxonomy archives restricted by CPT are now supported.
• Bug fix: Fixed issue where the multibyte supplicant functions were not always being included due to WordPress shipping with its own subset of theses functions.
• Bug fix: Fixed issue where on an archive for a post type the archive breadcrumb would appear twice.

• Bug fix: Fixed issue where the current item would use a built in default template rather than the breadcrumb template in the settings.
• Bug fix: Updated currently distributed translations set and list to match the current set of translations that achieve the 90% completeness threshold for inclusion.
• Bug fix: Fixed issue where a PHP warning would be displayed when BCN_SETTINGS_USE_NETWORK is defined.

• Bug fix: Added additional checks for empty URLs and templates within bcn_breadcrumb to prevent various bugs when empty URLs and/or templates are passed in.
• Bug fix: Move away from building URLs for search breadcrumbs and instead using get_search_link() to fix support for pretty permalinks.
• Bug fix: Fixed issue where media items (attachments) that have not been attached to a post yet would cause an incorrect breadcrumb trail to be generated.
• Bug fix: Fixed issue where attachments of the front page would cause PHP Warnings.
• Bug fix: Fixed issue where attachments of the front page would have duplicate breadcrumbs for the home page.
• Bug fix: Fixed issue where attachments of pages would have an extraneous breadcrumb relating to the page for posts.
• Bug fix: Fixed issue with the text domain/domain path in the plugin header.

• Deprecated: The Max Breadcrumb Length setting has been deprecated in favor of using CSS styling to perform the length limiting.
• Behavior change: The archive page for a post type is now generated for the top ancestor post rather than for the current page when "post parent" is used as the post's hierarchy.
• Behavior change: Now requires PHP5.3 or newer.
• New feature: Added bcn_type_archive_post_type filter.
• New feature: Settings depending on another setting to be enabled are disabled when the dependency setting is disabled.
• New feature: More descriptive messages on settings saving (notify user on success, failure, and no changes to save).
• Bug fix: Fixed awkward wording in the settings page for post hierarchy settings.
• Bug fix: Fixed missed default templates for post formats when all taxonomy settings had the tax_ prefix added in 5.1.
• Bug fix: Fixed bulk of compatibility issues with bbPress.

• Bug fix: Fixed issue where attachments and their parents have the same link when 'link current item' is enabled.
• Bug fix: Pass the same parameters into the widget title and (pre) text filters as the default WordPress widgets.
• Bug fix: Fixed issue where PHP warnings would be thrown on author pages for authors that do not have any posts.
• Bug fix: Reduced severity of $post global not being of type WP_Post, will silently exit on non-WP_DEBUG enabled sites.

• Behavior change: bcn_breadcrumb_trail::do_post() now expects to be passed in a valid WP_Post object.
• Behavior change: breadcrumb_navxt::version changed to a constant to allow uninstantiated access of the plugin version.
• New feature: Support Google's RDFa Breadcrumbs microformat by default.
• New feature: Added bcn_opts_update_prebk filter.
• Bug fix: Validate HTML5 options on tab traversal.
• Bug fix: Fixed issue where the settings importer parsed the version string incorrectly.
• Bug fix: Added 'typeof' to list of valid HTML tag attributes.
• Bug fix: Prefixed all taxonomies with 'tax_' to prevent name collisions.
• Bug fix: Added ID to Post and Taxonomy Term Elements in bcn_breadcrumb_trail::do_root() as is done everywhere else.
• Bug fix: Fixed issue with bcn_breadcrumb_trail::do_author() returning the incorrect user under some circumstances.
• Bug fix: Fixed issue where saving twice on a tab in the settings page would cause the next page load to open the general tab rather than the current tab.
• Bug fix: Added bcn_breadcrumb_template filter back into bcn_breadcrumb::set_template(), was a regression in 5.0 from 4.4.
• Bug fix: Fixed issue where the included widget did not check against default settings, causing PHP Warnings to show up on the frontend under some circumstances.
• Bug fix: Fixed issue where we didn't handle WP_POST::has_archive correctly when it was a string, causing issues with CPTs generated by some plugins.
• Bug fix: Fixed issue where the default taxonomy selected for a CPT could be a non-public taxonomy.
• Bug fix: Attachments get their own title within the settings page now.
• Bug fix: Filter the title and pre text in the widget.

• Behavior Change: Notify multisite users when settings may be overridden by the network settings and vice versa.
• Bug fix: Updated tab style to match WordPress 3.8 look and feel.
• Bug fix: Fixed issue where bcn_breadcrumb_trail::display_list() would produce multiple instances of the class attribute.
• Bug fix: Fixed several issues with the uninstaller.

• Behavior Change: Moved bcn_breadcrumb_trail::trail to bcn_breadcrumb_trail::breadcrumbs
• Behavior Change: When WordPress is in multisite/network mode, the settings set in the network settings page take priority over subsite settings.
• New feature: Added bcn_breadcrumb_trail_object filter.
• New feature: Added bcn_li_attributes filter.
• New feature: Added bcn_breadcrumb_types filter.
• New feature: Added Network Admin Settings page.
• New feature: Added xmlns:v and property to the valid tag attributes.

• New feature: Added bcn_breadcrumb_url filter.
• New feature: Add resource ID to the bcn_breadcrumb_title filter.
• New feature: Added bcn_breadcrumb_template filter.
• New feature: Added bcn_allowed_html filter.
• New feature: Added bcn_template_tags filter.
• Bug fix: Fixed issue where invalid characters could end up in URLs due to other plugins.
• Bug fix: Revise the allowed HTML for breadcrumbs in the trail.

• Behaviour change: Home and Mainsite titles were removed.
• Behaviour change: All HTML capable strings are now passed through wp_kses.
• New feature: Added bcn_breadcrumb_url filter.
• New feature: %title% and %htitle% now are replaced with the the Site Title for the home breadcrumb and the Network Name for mainsite breadcrumbs.
• New feature: Support for the proposed Theme Hook Alliance tha_breadcrumb_navigation filter.
• New feature: Added %ftitle% and %fhtitle% tags that are not affected by bcn_breadcrumb::trim().
• Bug fix: Minor tweaks to the tabs in the admin page to better support the new version of jQuery UI tabs (in WordPress 3.5+).
• Bug fix: Fixed issue where initial settings were not being translated due to the text domain not loading.
• Bug fix: Added verbiage to clarify what the Post Parent selection for Post Hierarchy does.

• Behaviour change: Date archives are only available for the 'post' post type.
• New feature: All Custom Post Types can now either use a post parent, or taxonomy based hierarchy.
• New feature: Post Format archives are now supported.
• New feature: Reorganized settings page with more responsive elements.
• Bug fix: Widget will now display properly when told to include the paged breadcrumb on the main posts archive.
• Bug fix: Using flat taxonomies as the post hierarchy no longer causes extraneous breadcrumb templates to be applied.
• Bug fix: Mainsite link now works on posts and pages in multisite environments.
• Bug fix: bcn_breadcrumb::title_trim() no longer cuts HTML encoded characters.
• Bug fix: bcn_breadcrumb::title_trim() no longer trims the title when the title length is equal to the max length.

• Behavior change: Made the behavior of posts using flat taxonomies match the behavior of using a hierarchical taxonomy when the post is not assigned a taxonomy term.
• New feature: Custom Post Types that are hierarchical can now fall back to a taxonomy if they dont have a parent.
• New feature: Pretext option for the included Widget, allows 'You are here:' type messages in the widget.
• Bug fix: Textdomain was changed to the correct one in the widget.
• Bug fix: Textdomain was changed from 'breadcrumb_navxt' to 'breadcrumb-navxt' for improved compatibility with the new GlotPress translation flow.
• Bug fix: Fixed cause of PHP warnings on empty term archive pages.
• Bug fix: Fixed cause of PHP warnings on term archives restricted to a specified post type.
• Bug fix: Fixed cause of PHP warnings and improper behavior on author archives if showing the page number in the breadcrumb trail.

• New feature: Estonian translation added props to Martin Orn.
• New feature: Azerbaijani translation added props to Zaur Bayramov.
• Bug fix: Replaced deprecated RDFa and Microformat breadcrumbs with Schema.org breadcrumbs support in the included sidebar widget.
• Bug fix: Mainsite breadcrumbs are linked once again.
• Bug fix: Safe default settings for CPTs and taxonomies should work now.
• Bug fix: Updated translations should work, previously the old ones loaded.

• New feature: Norwegian translations added props to Jan Rosvoldsve.
• Bug fix: Fixed line 591 and line 646 errors in multisite installs.
• Bug fix: Attachments will now obey the root page setting for their parent, regardless of the parents post type.

• Behavior change: Prefix, suffix, and anchor settings have been replaced with templates for all breadcrumb types.
• Behavior change: bcn_display_nested function was removed from the main plugin. Will appear in a supplementary plugin.
• Behavior change: Import/Export/Reset tab moved under the admin bar Help menu.
• Behavior change: Paged breadcrumbs are enabled in the default settings, among other subtle changes.
• New feature: More useful Help menu, utilizing the new WordPress 3.3 Help menu.
• New feature: True URLs are now generated for current items when link current item is enabled.
• New feature: The display of the custom post type archive breadcrumb for custom post types may now be disabled.
• New feature: Added in fallback functions for PHPs multibyte character string functions for environments that do not have multibyte character support.
• Bug fix: Custom post type archives now respect the root page setting.
• Bug fix: Custom post types without WordPress post archives enabled will no longer cause a double root page breadcrumb to be generated.
• Bug fix: Tabs on the settings page are now rounded for all modern browsers, including Firefox, Chrome, and IE9.
• Bug fix: Tabs on the settings page are now remembered between setting saves (including multiple saves from within the same tab).
• Bug fix: Fixed another cause of the The following settings were not saved error message.

• Behavior change: Settings can not be saved, imported, or exported until any necessary settings updates and/or installs are completed.
• New feature: Support for WordPress 3.1 custom post type archives.
• Bug fix: Displays a warning message in the WordPress dashboard if PHP version is too old rather than trying to deactivate and dieing on all pages.
• Bug fix: Fixed a potential cause for the "options not saved" error.
• Bug fix: Fixed bug where the Blog Breadcrumb was not obeyed on archives.

• Bug fix: Root pages for custom post types should work again.
• Bug fix: The post_post_root and post_page_root not being saved warning when saving settings should be fixed.

• New feature: Error reporting added for some errors that may occur during a settings save.
• New feature: Custom post types may use dates as their taxonomy type.
• New feature: New display_nested function to facilitate support for Googles Breadcrumbs RDFa and Microformat.
• New feature: Paged display works for all post types now (was previously restricted to archives).
• Bug fix: Fixed a few cases where Breadcrumb NavXT may cause PHP warnings.
• Bug fix: Automatically deactivates if PHP version is tool old rather than just displaying warning message.
• Bug fix: Custom post types that are not associated with any taxonomies no longer cause PHP Notices.
• Bug fix: Various PHP Notices introduced in 3.7.0 were fixed.
• Bug fix: Fixed issue where multiple runs caused the current_item_prefix and current_item_suffix to be applied multiple times.
• Bug fix: The included display functions will behave more appropriately when database settings dont exist.
• Bug fix: Fixed multibyte UTF-8 character support for custom taxonomies.
• Bug fix: Fixed issue where the widget (Appearance > Widgets) would not load the appropriate translations.

• New feature: Support for global/network wide breadcrumb trails in networked setups of WordPress 3.0.
• New feature: Can use any hierarchical post type as a hierarchy for flat post types.
• New feature: Users are now warned if settings are out of date, allowed to do a one click settings migration.
• New feature: Users can now control if a post type uses the posts page in its hierarchy or not.
• Bug fix: Breadcrumb trails for attachments work properly now for custom post types.
• Bug fix: Users can now set custom post types to have a page hierarchy through the settings page.
• Bug fix: Fixed issues where the PHP version check did not work correctly.
• Bug fix: Fixed issue where all settings would get reset on clean 3.6.0 installs on plugin activation.
• Bug fix: Fixed issue when a static front page is specified but the post page is not.

• New feature: Vastly improved support for WordPress custom post types.
• New feature: Can now restrict breadcrumb trail output for the front page in the included Widget.
• New feature: Can now undo setting saves, resets, and imports.
• New feature: Translations for Japanese now included thanks to Kazuhiro Terada.
• Bug fix: Fixed issue where the class element were not closed in a li opening tag.
• Bug fix: Safer handling of blank anchor templates.
• Bug fix: Fixed issue where the %title% tag in the current item anchor template would be trimmed.

• Bug fix: Fixed issue where a deactivation/activation cycle would reset all of the user specified settings.
• Bug fix: Fixed issue where the archive by date suffix field did not save.
• Bug fix: Fixed issue where custom taxonomy settings did not save.
• Bug fix: Fixed issue where xml settings files would not import.
• Bug fix: French and German translations updated for 3.5.x.

• New feature: Added actions bcn_before_fill and bcn_after_fill, see documentation for more information.
• New feature: Widget rewritten to use the WordPress 2.8 Widget API, now multi-widget capable.
• New feature: Widget output can be in list form, can be in reversed order, and can be unlinked.
• Bug fix: Fixed issue where the current tab was forgotten after a save in the settings page.
• Bug fix: Fixed various WP API issues with WordPress 3.0.
• Bug fix: Fixed title trimming so that it works properly with multi-byte characters.

• Bug fix: Fixed issue with PHP unexpected $end on line 1567 in breadcrumb_navxt_admin.php.
• Bug fix: Fixed issue where the %link% anchor tag would not be replaced with a URI for flat taxonomies (e.g. tags).
• Bug fix: Fixed issue where paged breadcrumbs would cause WP_Error objects to be thrown.

• New feature: Proper support of custom taxonomies. category_parents and post_tags replaced with term_parents and post_terms.
• New feature: Ability to use date as post taxonomy.
• New feature: Translations for Italian now included thanks to Luca Camellini.
• Bug fix: Fixed permalink for day breadcrumbs.
• Bug fix: Flat taxonomy archive breadcrumbs now are surrounded by both the standard and archive prefix/suffix combination.

• Behavior change: The core plugin was removed, and administrative plugin renamed, direct class access still possible.
• New feature: Ability to trim the title length for all breadcrumbs in the trail.
• New feature: Ability to selectively include the "Blog" in addition to the "Home" breadcrumb in the trail (for static frontpage setups).
• New feature: Translations for Russian now included thanks to Yuri Gribov.
• New feature: Translations for Swedish now included thanks to Patrik Spathon.
• Bug fix: Minor tweaks to the settings link in the plugins listing page so that it fits better in WordPress 2.8.
• Bug fix: Now selects the first category hierarchy of a post instead of the last.

• New feature: Translations for Belorussian now included thanks to "Fat Cow".
• Bug fix: The bcn_display() and bcn_display_list() wrapper functions obey the $return parameter.
• Bug fix: Anchors now will be valid html even when a page/category/post title has html tags in it.
• Bug fix: Revised bcn_breadcrumb_trail::category_parents to work around a bug in get_category that causes a WP_Error to be thrown.
• Bug fix: Importing settings XML files should no longer corrupt html entities.
• Bug fix: Can no longer import and reset options at the same time.
• Bug fix: WordPress 2.6 should be supported again.