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  • Migration from Yarn to NPM. The DSpace User Interface MUST now be built using "npm" commands instead of "yarn".  In most situations the command is the same with "npm" replacing "yarn". All DSpace documentation, including the Upgrading DSpace and Installing DSpace guides now provide the appropriate "npm" commands. Yarn can be uninstalled completely as it is no longer necessary. #3173 (Donated by Alan Orth)
  • Frontend configuration "ssr > paths" has been replaced by "ssr > excludePathPatterns".  In DSpace 7.6.3 and 8.1, it was possible to only enable SSR (server-side rendering) for specific User Interface paths (configured by the "ssr > paths" configuration in your "config.*.yml" file.  This setting has been replaced by the inverse configuration, which allows you to exclude specific paths from SSR.  See "excludePathPatterns" in the "ssr" section of the User Interface Configuration and https://github.com/DSpace/dspace-angular/pull/4227
  • HTML Templates now require "Control Flow" syntax. The user interface now uses Angular Control Flow syntax in all HTML Templates ("*.component.html" files).  This means that all usages of "ngIf" and "ngFor" are now replaced with their equivalent "control flow" syntax (e.g. "@if" and "@for").  This may impact your site during your upgrade if you've customized the HTML of DSpace (either in the source code directly or in custom themes). During your upgrade you will need to migrate your custom HTML files to use "control flow" syntax. You may be able to perform this migration via automated migration tools provided by Angular.
  • Apache Solr 9.x is now required on the backend. As Apache Solr version 8.x Bootstrap 5 is now used by all themes.  As Bootstrap 4 is now end-of-life, the DSpace backend now requires using Solr 9.x. See the Upgrading DSpace guide or Installing DSpace guide for more about Solr 9 requirements.
  • PDF Citation Cover Page has been updated to use a Thymeleaf HTML Template. If you have this feature enabled in your DSpace, you may wish to modify the default HTML template.  This template will give you more control over the look of your cover pages.
  • Backend Java code no longer uses "java.util.Date" or "java.util.Calendar".  This is less likely to impact most institutions, but if you've heavily customized the backend  (Java code), you may need to update any customized code that previously used java.util.Date  or java.util.Calendar to instead use the modern java.time.*  Date classes.  See https://github.com/DSpace/DSpace/pull/10432
  • all DSpace themes (including default) have been updated to use Bootstrap 5.  If you have done custom theming, you may need to migrate your themes to Bootstrap 5.  For example changes made to DSpace themes see #3506  IDonated by Atmire)
  • Apache Solr 9.x is now required on the backend. As Apache Solr version 8.x is now end-of-life, the DSpace backend now requires using Solr 9.x. See the Upgrading DSpace guide or Installing DSpace guide for more about Solr 9 requirements. #10627
  • PDF Citation Cover Page has been updated to use a Thymeleaf HTML Template. If you have this feature enabled in your DSpace, you may wish to modify the default HTML template.  This template will give you more control over the look of your cover pages.
  • Backend Java code no longer uses "java.util.Date" or "java.util.Calendar".  This is less likely to impact most institutions, but if you've heavily customized the backend  (Java code), you may need to update any customized code that previously used java.util.Date  or java.util.Calendar to instead use the modern java.time.*  Date classes.  See https://github.com/DSpace/DSpace/pull/10432
  • Corrected spelling of two "reinstate" configurations in dspace.cfg.  In prior versions of DSpace, two configurations had an incorrect spelling of "reinstate": Corrected spelling of two "reinstate" configurations in dspace.cfg.  In prior versions of DSpace, two configurations had an incorrect spelling of "reinstate": "core.authorization.community-admin.item.reinstatiate" and "core.authorization.collection-admin.item.reinstatiate".  These are now correctly spelled as "core.authorization.community-admin.item.reinstatiate" and "core.authorization.collection-admin.item.reinstatiate".  These are now correctly spelled as "core.authorization.community-admin.item.reinstate" and "core.authorization.collection-admin.item.reinstate".  If you are using these configurations in your local.cfg, you must also correct their spelling.
  • (Also included in v8.1 and v7.6.3) DSpace has a new, separate command-line log file ([dspace]/log/dspace-cli.log-[date]) for logging the output/results of any scripts that are started from the command-line.  The DSpace backend web application still logs to dspace.log-[date] in the same directory.  You may need to update any local/custom log management scripts to include this new log file.
    • This change was necessary to fix a major bug where the backend webapp would sometimes stop logging if a "logrotate" was triggered. See #9832 

Major Updates and Improvements

    • if a "logrotate" was triggered. See #9832 

Major Updates and Improvements

  • (This section is not yet filled out. It will be added as final release gets closer.)
  • RSS/Atom feeds are now available for search results, allowing you to subscribe to a search via RSS. #2489 (Donated by Atmire)
  • Improved proxy support for all external sources/APIs. All external connections should now use the DSpace Proxy Configuration
  • Project Entities can now be imported from DataCite #9636 (Donated by Florian Gantner)
  • Add ability to require Creative Commons license be selected in submission forms #9639 (Donated by 4Science)
  • Klaro cookie settings popup was replaced with Orejime.  Orejime provides better accessibility and is better maintained. #2718 (Donated by 4Science)
  • Fixed bug where access restricted thumbnails were not shown to users who have proper access rights. #4165 (Donated by Atmire)
  • Fixed bug where Processes page wasn't properly supporting integer parameters. #4273 (Donated by 4Science)
  • Fixed bug where list of bitstreams on "Edit Item > Bitstreams" tab would be duplicated when using pagination. #4015 (Donated by Atmire)
  • Fixed bug where an Admin could not upload a bitstream to an item in workflow when impersonating a user. #4288 (Donated by 4Science)
  • Fixed bug where fields of type "name" in submission forms could not be deleted properly. #4073 (Donated by Atmire
  • (This section is not yet filled out. It will be added as final release gets closer.)
  • Improved proxy support for all external sources/APIs. All external connections should now use the DSpace Proxy Configuration
  • Project Entities can now be imported from DataCite #9636 (Donated by Florian Gantner)
  • Fixed a number of accessibility-related issues, including:Fixes to aria labels of Edit Item → Metadata tab #3155 (Donated by Neki-it)including:
    • Truncated abstracts now use ellipsis for truncation instead of fading out. #4341 (Donated by 4Science)
    • Improved screen reader accessibility for header and recent submissions. #4335 (Donated by Atmire)
    • Enhanced keyboard navigation on several pages. #4244 (Donated by eScire)
  • Includes all bug fixes and accessibility fixes also included in the 8.1 release.
  • Fixed a large number of other small bugs.  See Changes in 9.x for a list of all changes.
  • Major Dependency updates:   Backend updated to ___.  Frontend updated to Angular 18 .and Bootstrap 5. (Both donated by Atmire)

New/Updated Language support

  • (WAS THIS IN 8.1?) Arabic (العربية) language updates donated by KnowledgeWare Technologies Est.
  • (WAS THIS IN 8.1?) German (Deutsch) language updates donated by Sascha Szott (saschaszott)
  • Polish (Polski) language updates donated by PCG Academia
  • (To be added as final release gets closer.)

9.0 Acknowledgments

DSpace 9.0 had ____ lines of code changed and ___ unique individuals contributing to either the frontend or backend.

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