Image Source Control Lite – Show Image Credits and Captions

Changelog

3.11.0

• Feature (Pro): New “Media Trash” module to move images to the trash instead of directly deleting them permanently. This allows for easy recovery
• Dev (Pro): Log failed license API requests when the debug option is enabled to help troubleshoot license activation issues

3.10.0

• Feature (Pro): New “Deep Check” option to find unused images in post and term meta fields added by plugins. This is optional to save performance.
• Improvement (Pro): Find images used in WooCommerce product archive thumbnails
• Improvement (Pro): Compatibility for image captions in the Soledad theme
• Improvement (Pro): Find used images in the “Above Header Background Image” option in Kadence Theme Kit Pro
• Improvement (Pro): Find used images in the variation images added by Kadence Shop Kit Pro
• Fix (Pro): Icons in buttons were misplaced in WordPress 7.0

3.9.2

• Security: Limit input fields and output of source text to specific HTML tags and attributes. This prevets potential script execution. Reported by WordFence

3.9.1

• Improvement (Pro): Better guiding to the license input field to improve onboarding experience
• Fix: Pagination links were missing when the number of items in the Global List was set to 0. Only 10 results showed up
• Fix (Pro): rename the compatibility directory to Compatibility to resolve case-sensitive filesystem failure
• Fix (Pro): Added more checks for the wp_isc_index table to prevent fatal errors when the table is missing for unexpected reasons

3.9.0

• Improvement (Pro): Removed the old “Indexer” page to find unused images in the content. All features are covered by the Scanner
• Improvement (Pro): When the WordPress MEDIA_TRASH constant is enabled, a “Move to Trash” option shows up in the bulk actions on the Unused Images page
• Improvement (Pro): The pagination count in the Unused Images list shows the total number of images right away
• Improvement: Settings label position unified for a homogeneous look

3.8.0

• Feature (Pro): Add a reset button to clear the index for Unused Images
• Improvement (Pro): Compatiblity with Elementor thumbnails in the directory /uploads/elementor/thumbs\
• Improvement (Pro): Removed check indicator icons from the Unused Images list since they were confusing and are irrelevant when using the Scanner
• Improvement (Pro): Finished renaming “Indexer” and “Deep Check” into “Content Scan” and “Database Scan”
• Improvement (Pro): Updated Polish and German translations
• Fix (Pro): A replaced featured image was not marked as unused when using the Content Scan
• Fix: Prevent the storage from containing empty URLs when an image ID was identified but the image URL not found in the database
• Dev (Pro): Renamed isc_indexer_global_image_threshold filter into isc_unused_images_global_image_threshold
• Dev: Removed Pro files from autoloading mapper

3.7.0

• Feature (Pro): Introducing the new unified Scanner for Unused Images. This powerful tool combines the previous Indexer and Database search into a single, streamlined interface. The existing “Indexer” page will slowly be phased out. The individual Deep Check will be renamed to “Database Check” in the future
• Feature (Pro): Bulk edit image sources for multiple images directly in the Media Library list view
• Feature (Pro): Mark images as “Ignored” in the Unused Images list to focus on relevant items
• Feature: Added a download button for the ISC log file in the settings for easier debugging
• Improvement (Pro): Adaptive batching for the Content Scan to optimize performance based on server speed
• Improvement (Pro): New “Any image URL” indexing option to detect images in CSS backgrounds and inline styles during the Content Scan
• Improvement (Pro): Specialized usage detection for images in Advanced Custom Fields (ACF) and the Newsletter plugin
• Improvement (Pro): Enhanced detection and labeling of “Global” images found in the page head or body
• Improvement (Pro): Detailed error logging for the Scanner to help troubleshoot access issues, empty and redirected pages
• Improvement (Pro): Add warning when many pages scanned but few images found
• Improvement: Automatically clear admin notices from other plugins on ISC pages to provide a cleaner management interface
• Improvement: Added a “Layout” section in Global List settings with links to styling tips and documentation
• Improvement: Support for single quotes in HTML attributes for better compatibility with themes like Kadence and block-based background images
• Improvement: Improved detection of scaled and rotated images to ensure correct attribution
• Improvement: Display the Post ID in the Global List when a post has no title
• Fix (Pro): Appearance list showed an upsell pitch
• Fix: Moved Global List filtering to the database query level to fix pagination issues and improve performance
• Fix: Hide the “Tools” link when the Image Sources module is disabled
• Dev (Pro): Prevent attachments from self-referencing their own entry in wp_posts during usage detection
• Dev (Pro): Add safety margin when deleting old entries from the index table
• Dev: Prevented deprecation notices in the block editor for future WordPress versions (7.0+)
• Dev: Resolved PHP 8.4 compatibility issues related to nullable parameters
• Dev: Moved the log file to the WordPress uploads directory for better accessibility and security
• Dev: Significant increase in automated test coverage for the Indexer, Global List, and Unused Images modules
• Dev: Hardened hook handling to prevent potential fatal errors during future plugin updates
• Dev: The isc_image_sources_attachments_with_empty_sources_where_clause filter hook can be used to manipulate the where clause of the search for images without an image source.

3.6.1

• Fix (Pro): Overlays did not display on background images of core blocks (i.e., groups) due to an undocumented change in WP 6.9 regarding the conversion of apostrophes in inline styles

3.6.0

• Feature (Pro): Execute the Indexer for Unused Images as a logged-in user; enable this option if your site is (partially) hidden behind a login or user capabilities
• Feature (Pro): Optionally run the indexer only on un-indexed instead of all posts
• Improvement (Pro): Added labels for icons in the Unused Images list for better clarity
• Improvement (Pro): An image is no longer considered “used” if the attached post is moved to the trash; previously, only fully deleting the post did that
• Fix: Prevent a fatal error on comment edit pages
• Fix: The Images-only option caused non-images (e.g., PDFs) to no longer show in the media library
• Dev: Disables autoload of the isc_storage option

3.5.0

• Feature (Pro): Search for unused media files in the wp_usermeta table to support plugins like WP User Meta
• Feature (Pro): Show the Global List in a simple list view using the style attribute, i.e., [isc_list_all style="list"]
• Improvement (Pro): Support for caption overlays on full width images in the Divi builder
• Improvement (Pro): Support for the data-bg-url attribute in the Fusion Builder
• Improvement (Pro): Ignore false positive results for unused images caused by the Newsletter Plugin
• Improvement (Pro): Automatically purge outdated entries in the Indexer to handle unpublished content
• Improvement: Show a warning in the media library when image filepath and wp_posts.guid don’t match; e.g., after migrating the domain
• Dev: Cache the SQL query in get_oldest_entry_date() to prevent the same query running multiple times on ISC pages in WP admin

3.4.0

• Feature: Added a filter option to the Media Library list view to show only images using the “Standard” source
• Feature: Added SVG to the list of accepted image file types
• Feature (Pro): Show overlays for Divi background images. To use it, enable the appropriate option in the Overlay settings
• Improvement: Prevent the content from jumping when the caption overlay is placed. The caption markup is now hidden until it was placed correctly. Critical JavaScript errors on the site could prevent them from showing, though.
• Improvement (Pro): Rewritten rendering of the Appearance list, combining results from indexer, database check and image sources. Optional details list can be enabled in settings
• Improvement (Pro): Moved the Elementor compatibility option to the Overlay settings, since it is only relevant for overlays
• Improvement (Pro): Support for JetEngine smart filters
• Improvement (Pro): Added Polish translation
• Fix (Pro): The Per-page list stayed empty on the first page load after a post was saved when the Per-page list was enabled in the default settings and the Overlay were set to display on images outside the main content
• Fix (Pro): The Appearance list in the Media details didn’t show if the Image Sources module was disabled, though that list depends solely on Unused Images
• Dev (Pro): Removed storing post title and type from Database check to avoid outdated data
• Dev (Pro): Some code for overlays was loaded even when overlays were disabled. This caused no frontend output
• Dev (Pro): The thumbnail now has its own entry in the isc_index table if found when indexing a single post in the frontend

3.3.1

• Fix (Pro): The option to enable the expandable list for the Per-page List wasn’t stored
• Fix: Sometimes, a “Next” link could show up on the pagination of the last page of the Global List, even if there were no more images to show
• Dev: The query for the Global List was improved to load quickly also on sites with many images
• Dev: Moved the Global List rendering methods to a dedicated class

3.3.0

• Feature (Pro): Layout option to collapse the Per-page list below the content by default and only open it on click
• Improvement: Minified JavaScript files in frontend and backend for faster load times
• Improvement (Pro): Consider the site_icon image as “used” and don’t list it under Unused Images
• Improvement (Pro): Support for JetEngine AJAX-loaded content
• Improvement (Pro): The expand-on-click caption option is more stable and should not create random line breaks
• Fix (Pro): Honor the Elementor compatibility option and disable the feature, if the option is not checked
• Fix (Pro): Made a string on the Indexer page translatable
• Dev: The main caption CSS can be customized via the isc_public_caption_default_style filter
• Dev: The new isc_update_captions_styles() JavaScript function allows developers to update the caption styles in the frontend. E.g., useful for dynamically loaded content
• Dev (Pro): Improved handling nested output buffer calls to prevent issues with other plugins; here it was WPBakery
• Dev (Pro): Use the isc_unused_images_ids_considered_used filter to add IDs of images that should not show as unused images

3.2.0

April 29th, 2025

• Feature: You can use the option “Images only” to disable features for non-images in the media library, e.g., PDF files
• Improvement: When authors change content, ISC now looks for removed or new images at the next visit of that page in the frontend. This highly improved compatibility with page builders and dynamic content like shortcodes.
• Improvement: When WP_DEBUG is enabled, show a button to list the content of the internal storage on the Tools page
• Improvement: Removes image source output on pages with the Global List on it
• Improvement (Pro): Ignores image URLs in href attributes when looking for image sources
• Improvement (Pro): Clears the URL storage when the Indexer runs. This can help with issues when a site was migrated to another URL
• Improvement (Pro): Extends ignored options for unused images
• Improvement (Pro): The column with image sources forms in the Media Library list view only shows if the user has the permission to edit any image information
• Improvement (Pro): The forms to edit image sources in the Media Library list view only show if the user has the permission to edit information for that given image
• Improvement (Pro): The Indexer for Unused Images now works with posts translated by WPML
• Fix: Removes old index information when the last image in a post is removed
• Fix (Pro): Some reserved characters in URLs caused (e.g., &) the bulk edit fields for images sources in the media library to be cut off
• Dev: Extracts post meta handling (isc_image_posts, isc_post_images) into dedicated classes.
• Dev (Pro): Disable image source form fields in the Media Library list view when submitting the filter form to prevent broken URLs. This is related to a compatibility issue caused by a third-party setup
• Dev (Pro): The Indexer now works in batches to prevent timeouts on large sites when Query Monitor is installed
• Dev (Pro): Pages with the Global List shortcode are now ignored by the Indexer.
• Dev: Adds cleanup routines for meta data for deleted and trashed posts.
• Dev: Replace some direct DB calls with WP functions
• Updates German translation

3.1.4

• Fix: PHP E_ERROR in Media Library List view when screen options are missing

3.1.3

• Fix: The filter “Images with sources” in the Media Library list view was not working correctly
• Fix: early loaded text domains caused a PHP warning
• Fix: A missed trait caused a warning in PHP 8.2

3.1.2

• Fix: Indexer not loading due to changed screen ID
• Fix: PHP warning when saving the Global List settings in PHP 8.2

3.1.1

• Fix: PHP notices for traits in PHP 8.1

3.1.0

• Improvement: (Pro) Captions are now working by default for image URLs stored outside the src attribute, which is often the case when using lazy loading.
• Improvement: (Pro) The indexer now works with cached frontends.
• Fix: (Pro) The IPTC options were disabled when deactivating the Unused Images module

3.0.0

3.0 rewrites a lot of classes mainly to split features into modules. Developers who used any classes and methods directly should test their code.

• Feature: You can now switch off modules you don’t need (Image Sources, Unused Images)
• Feature: (Pro) Run the full-content indexer to identify all images in the content. This improves compatibility with page builders and plugins that add images to the content dynamically and is useful for either Image Sources and Unused Images
• Feature: (Pro) New column with the image source preview to the Media Library list view
• Feature: New filter to list only images without sources in the Media Library list view for quickly adding missing images
• Feature: Added support for AVIF files
• Improvement: The list of images without sources now ignores images that have the standard source set
• Improvement: (Pro) Show the image path in the list of Unused Images
• Fix: Prevented a JavaScript console error in the list view
• Fix: Pages using the Global List shortcode were not counted in the page index stats
• Dev: Deprecated ISC_Class

2.29.1

• Security: Limit the pretext for the caption preview in the backend to text only to prevent XSS attacks with manipulated links that could be executed by admin users
• Fix: When resizing the screen, right-aligned captions sometimes received line breaks. The new calculation prevents this

2.29.0

• Increased the required WordPress version to 6.0
• Improvement: (Pro) added Swiss and Austrian localizations
• Fix: a warning was thrown in WordPress 6.7 about text domains loaded too early
• Dev: hardened code against the_content being set to null by other plugins
• Dev: various code style improvements