omeka/Omeka v2.8 on GitHub

Features

PHP 8 support
Where appropriate, themes can now allow minimal styling (bold, italic, underline) to be preserved in titles
Administrators can select the default query type for simple search (#797, contributed by @luku)
It's now possible to add files through the API even when the default job dispatcher is non-synchronous
HTML head now includes author and copyright meta-tags as set in the admin (#918, contributed by @DBinaghi)
Theme header images can now accept a setting for the alt text for the image (#925)
New option to move files to storage using copy instead of rename (sometimes useful when files are stored on a separate filesystem) (#934)

Shortcodes with no arguments given could behave incorrectly and throw errors on PHP 7.1+
Fixed the admin file edit form to correctly apply HTML filtering (#935)
Fixed a leftover PHP 7.2 deprecation warning in the YAML component (rarely used)

Login forms now use simpler styling to improve appearance with longer text (as in when using some locales)
The search reindex process will now continue through errors (#930, contributed by @timstallmann)
Allowed size for theme uploads increased to 1 MB

Omeka_Record_AbstractRecord::delete() now returns true on success (#906)
New rich_title property for records
The default fallback image for files (the "page" icon) can now be overridden like the type-specific icons by passing * as the type to add_file_fallback_image (#916, contributed by @DBinaghi)
tag_attributes now accepts int and float values instead of stripping them (#921)
Shortcode arguments are now always an array
File uploads can now specify the key order to set file order within an item directly at ingest
getID3 updated to 1.9.20
HTMLPurifier updated to 4.13.0