Smart Custom 404 error page [404page]

11.4.8 (2024-10-02)

• Address potential XSS vulnerability. Thanks to Webbernaut for responsible disclosure.

11.4.7 (2024-09-16) OUT OF RETIREMENT!

• NerdPress has adopted Smart Custom 404 Page! Read the announcement here.
• Tested up to WP 6.6
• Modernized direct file access protection and removed closing PHP tags

11.4.6 (2024-04-17) URGENT BUGFIX

• Bugfix after Cleanup

11.4.5 (2024-04-16) CLEANUP

• Cleanup

11.4.4 (2022-10-05) FINAL VERSION

• removed all links to webiste
• removed request for rating
• removed manual

11.4.3 (2022-11-05)

• bugfix for WP 6.1

11.4.2 (2022-11-01)

• also add class error404 to body tag if page is called directly
• plugin renamed

11.4.1 (2022-10-16)

• bugfix: load Javascript for Block only when needed

11.4.0 (2022-10-13)

• Block added
• Shortcode added
• Function pp_404_get_the_url() added

11.3.1 (2022-04-05)

• just cosmetics
• Plugin Foundation updated to PPF08

11.3.0 (2021-01-06)

• new option to always send an 410 instead of an 404
• Plugin Foundation updated to PPF07

11.2.6 (2020-08-23)

• Plugin Foundation updated to PPF06

11.2.5 (2020-08-22)

• minor UI adjustments

11.2.4 (2020-08-16)

• bug fix for Flamingo (see topic) plus potentially other plugins (thanks to garfiedo for supporting me to find the reason)

11.2.3 (2020-07-05)

• fix for Polylang (see topic)

11.2.2 (2020-03-28)

• changes to the notification for hopefully better compatibility
• Plugin Foundation swtiched to PPF04

11.2.1 (2020-01-04)

• if W3 Total Cache is installed and caching is active URLs that result in an 404 error are automatically excluded from caching

11.2.0 (2020-01-01)

• if WP Super Cache is installed and caching is active URLs that result in an 404 error are automatically excluded from caching

11.1.4 (2019-12-29)

• urgent bug fix for PPF03

11.1.3 (2019-12-29)

• Plugin Foundation updated to PPF03, no functional changes

11.1.2 (2019-11-19)

• exclude 404 page from XML sitemap generated by Jetpack

11.1.1 (2019-11-16)

• from now on it is not only detected if Yoast SEO Plugin is active, but also if the sitemap feature is activated

11.1.0 (2019-11-10)

• now uses Plugin Foundation PPF02 for plugin compatibility
• introduces two new functions for developers pp_404_get_page_id() and pp_404_get_all_page_ids()

11.0.5 (2019-10-22)

• bugfix for Yoast SEO XML Sitemap (see topic)
• added a note to settings page if Yoast SEO is active

11.0.4 (2019-10-06)

• bugfix for WPML

11.0.3 (2019-09-01)

• bugfix for REST API call (see here)

11.0.2 (2019-08-30)

• two bugs fixed (see here and here)

11.0.1 (2019-08-13)

• fix for PHP 7.1 – __construct() access level in subclass – this is an PHP error that was fixed in PHP 7.2, but I’ve changed my code to also work with PHP 7.1

11.0.0 (2019-08-13)

• mostly rewritten based on my own newly created Plugin Foundation

10.5 (2019-04-01)

• some more security improvements

10.4 (2019-03-31)

• security vulnerability in AJAX call fixed (thanks to Julio Potier for pointing me to this)

10.3 (2019-02-21)

• fix for compatibility with iThemes Sync (ticket)

10.2 (2019-02-19)

• just another small change to prevent from potential problems with version 10

10.1 (2019-02-14)

• error fixed (ticket)

10 (2019-02-14)

• workaround for WordPress Permalink bug #46000
• code improvement
• performance tuning

9 (2019-01-24)

• Gutenberg note added

8 (2019-01-11)

• fixed compatibility issue with latest WPML version
• code improvement
• UI improvements

7 (2018-07-16)

• corrected wrong image path
• added video links to admin page
• code improvements

6 (2018-06-18)

• exclude 404 page from XML sitemap generated by Yoast SEO
• further UI-improvements

5 (2018-03-05)

• show an indicator if the currently edited page is a 404 error page
• minor code- & UI-improvements

4 (2018-03-05)

• bugfix for bbPress (see topic)

3.3 (2017-11-16)

• support for right-to-left-languages added
• faulty display in WP 4.9 fixed

3.2 (2017-10-05)

• new feature to send an HTTP 410 error for deleted objects

3.1 (2017-07-24)

• bugfix for Polylang (see topic)
• bugfix for CLI (see topic)
• add debug class to body tag
• also add body classes for Customizr theme
• do not add error404 class if already exists
• further redesign admin interface

3.0 (2017-07-05)

• new feature to force 404 error after loading page
• new feature to disable URL autocorrection guessing
• finally removed Polylang stuff disabled in 2.4
• redesigned admin interface
• code improvement

2.5 (2017-05-19)

• hide 404 page from search results on front end (if WPML is active, all languages are hidden)
• do not fire a 404 in Compatibility Mode if the DW Question & Answer plugin by DesignWall is active and a question has no answers

2.4 (2017-03-08)

• ensure that all core files are loaded properly (see topic)
• Polylang plugin does no longer require Compatibility Mode (see topic)
• hide all translations if WPML is installed and “Hide 404 page” is active (thanks to the WPML guys for pointing me at this)
• post status fix (see topic)
• Enfold theme issue fix (thanks to the guys at Kriesi.at for supporting me)

2.3 (2016-11-21)

• a few minor bugfixes solve some problems with page templates in certain combinations

2.2 (2016-09-26)

• automatic switch to Compatibility Mode for several plugins removed
• enhanced support for WPML and Polylang
• remove the 404 page from search results (for all languages if WPML or Polylang is used)
• remove the 404 page from sitemap or other page lists (for all languages if WPML or Polylang is used)
• bugfix for author archives
• confusing admin message removed

2.1 (2016-04-22)

• introduction of selectable Operating Methods
• several changes to Compatibility Mode for improved WPML and bbPress compatibility plus compatibility with Page Builder by SiteOrigin
• Polylang compatibility
• automatic switch to Compatibility Mode if WPML, bbPress, Polylang or Page Builder by SiteOrigin is detected
• completely new Customizr Compatibility Mode (automatically enabled if Customizr is detected)
• firing an 404 error in case of directly accessing the 404 error page can now be deactivated
• WP Super Cache support
• option to hide the 404 error page from the Pages list
• 404 error test
• plugin expandable by action
• delete all settings on uninstall

2.0 (2016-03-08)

• WPML compatibility
• bbPress compatibility
• Customizr compatibility
• directly accessing the 404 error page now throws an 404 error
• class error404 added to the classes that are assigned to the body HTML element
• the settings menu was moved from ‘Settings’ to ‘Appearance’
• translation files removed, using GlotPress exclusively

1.4 (2015-08-07)

• edit the 404 page directly from settings page
• Portuguese translation

1.3 (2015-01-12)

• technical improvement (rewritten as class)
• cosmetics

1.2 (2014-07-28)

• Spanish translation
• Serbo-Croatian translation

1.1 (2014-06-03)

• Multilingual support added
• German translation

1.0 (2013-09-30)

• Initial Release