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Installing DSpace provides an overview of the DSpace 9 installation process and all prerequisite software. You should review this before attempting an upgrade, in order to ensure you are running the required versions of Java, Node, etc.

Upgrading DSpace provides a guide for upgrading from any old version of DSpace to v9. As in the past, your data migrates automatically, no matter which older version you are running.

9.0 Release Notes (DRAFT)

DSpace 9.0 is not yet released, but is due in late May 2025. These release notes are a very early draft & will be updated closer to the release.

DSpace 9.0 is a major release of the DSpace platform. It provides new features and improvements, along with bug fixes. You should be aware that all major releases may provide some "breaking changes" (major changes that may impact your local customizations).

Security Fixes

(if any exist, they will go here)

New User Features

Support for SAML authentication. See https://github.com/DSpace/DSpace/pull/9470

Breaking Changes

The following major changings may negatively impact or "break" your local customizations to prior versions of DSpace. Please be aware of them before upgrading.

Migration from Yarn to NPM. The DSpace User Interface MUST now be built using "npm" commands instead of "yarn". See https://github.com/DSpace/dspace-angular/pull/3173
New command-line (CLI) log files. Any command that is executed via the command-line (e.g. via ./bin/dspace) now logs its output in a new "dspace-cli.log.[date]" file in the log directory. The "dspace.log.[date]" logs still exist, but they are now specific to the server webapp. See https://github.com/DSpace/DSpace/pull/9832

Major Updates and Improvements

(To be added as release gets closer.)
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.

New/Updated Language support

(To be added as release gets closer.)

9.0 Acknowledgments

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

Frontend / User Interface Acknowledgments

The below list is the list of contributors to 8.0. This list will be updated prior to the 9.0 release, at which point this warning will be removed.

The following __ individuals have contributed directly to the new DSpace (Angular) User Interface in this release (ordered by number of GitHub commits): Alexandre Vryghem (alexandrevryghem), Andrea Barbasso (AndreaBarbasso), Francesco Molinaro (FrancescoMolinaro), Giuseppe Digilio (atarix83), Enea Jahollari (enea4science), Mattia Vianelli (Sondissimo), Tim Donohue (tdonohue), Yury Bondarenko (ybnd), Alisa Ismailati, Andreas Awouters (AAwouters), Davide Negretti (davide-negretti), Vladzislav Novski (vNovski), Art Lowel (artlowel), Francesco Bacchelli (frabacche), Kim Shepherd (kshepherd), Jean-François Morin (jeffmorin), Kuno Vercammen, Simone Ramundi, Jens Vannerum (jensvannerum), Michele Boychuk (Micheleboychuk), Vincenzo Mecca (vins01-4science), Zahraa Chreim (ZahraaChreim-Atmire), Sascha Szott (saschaszott), Lotte Hofstede (LotteHofstede), Alan Orth (alanorth), Hugo Daniel Dominguez de la Cruz (hugo-escire), Koen Pauwels (KoenP), Toni Prieto (toniprieto), Eike Löhden (Leano1998), Mark Wood (mwoodiupui), Paulo Graça (paulo-graca), Ricardo Saraiva (rsaraivac), Stefano Maffei (steph-ieffam), Max Nuding (hutattedonmyarm), Hrafn Malmquist (J4bbi), Oscar Chacón (oscar-escire), Pierre Lasou (pilasou), Sergio Fernández Celorio (sergius02), Thiago Rodrigues, William Welling (wwelling), Alfeu Uzai Tavares, Kristof De Langhe (Atmire-Kristof), Marie Verdonck (MarieVerdonck), Michał Dykas (michdyk), Nona Luypaert (nona-luypaert), Michael Spalti (mspalti), Mirko Scherf (mirkoscherf), Thomas Misilo (misilot), Victor Hugo Duran Santiago (VictorHugoDuranS), Yana De Pauw (YanaDePauw), Abel Gómez (abelgomez), Agustina Martinez (amgciadev), Florian Gantner (floriangantner), Milos Ivanovic (imilos), Hardy Pottinger (hardyoyo), Marco Aurelio Cardoso, Gaurav Patel (GauravD2t), Reeta Kuukoski (reetagithub), Maciej Kleban (Dawnkai), Andrea Bollini (abollini), Andreas Mahnke (mahnkong), Bram Luyten (bram-atmire), IgorBaptist4, Janne Jensen (mugraph), José Carvalho (josekarvalho), Mohamed Ali, NTK, Pascal-Nicolas Becker (pnbecker), Philipp Rumpf (philipprumpf), Nagy Akos (akoscomp), Milan Majchrak (milanmajchrak), Ahmad Nasser.

The above contributor list was determined based on contributions to the "DSpace" project in GitHub between 7.6 (after June 23, 2023) and 8.0 using "git shortlog" on the main branch and excluding all merge commits:
git shortlog -s -n -e --no-merges --since 2023-06-23

Backend / REST API Acknowledgments

The below list is the list of contributors to 8.0. This list will be updated prior to the 9.0 release, at which point this warning will be removed.

The following __ individuals have contributed directly to the DSpace backend (REST API, Java API, OAI-PMH, etc) in this release (ordered by number of commits): Tim Donohue (tdonohue), Francesco Bacchelli (frabacche), Michele Boychuk (Micheleboychuk), Mohamed Eskander (eskander17), Mark Wood (mwoodiupui), Kim Shepherd (kshepherd), Stefano Maffei (steph-ieffam), Agustina Martinez (amgciadev), Toni Prieto (toniprieto), Alexandre Vryghem (alexandrevryghem), Andrea Bollini (abollini), Alan Orth (alanorth), Sascha Szott (saschaszott), Vincenzo Mecca (vins01-4science), Paulo Graça (paulo-graca), Adán Román Ruiz (aroman-arvo), Mattia Vianelli (Sondissimo), Koen Pauwels (KoenP), Yana De Pauw (YanaDePauw), Christian Bethge (ChrisBethgster), Nicholas Woodward (nwoodward), Florian Gantner (floriangantner), Marie Verdonck (MarieVerdonck), Kristof De Langhe (Atmire-Kristof), Pascal-Nicolas Becker (pnbecker), Andrei Alesik (AndrewAlesik), Michael Spalti (mspalti), Nona Luypaert (nona-luypaert), Damian Jozefowski (damian-joz), Jean-François Morin (jeffmorin), Francesco Molinaro (FrancescoMolinaro), Jens Vannerum (jensvannerum), Philipp Rumpf (philipprumpf), Xiqinger, Roy Brushini (Bezkup), Thomas Misilo (misilot), Max Nuding (hutattedonmyarm), David Steelman, Eike Löhden (Leano1998), Hrafn Malmquist (J4bbi), Luca Giamminonni (LucaGiamminonni), Martin Walk (MW3000), William Welling (wwelling), Marsa Haoua (marsaoua), wwuck, Christian Clauss (cclauss), Damiano Fiorenza, John Abrahams (jabrah), Marie-Hélène Vézina (mhvezina), Mark Cooper (mark-cooper), Mirko Scherf (mirkoscherf), Sean Kalynuk (uofmsean), Shankeerthan Kasilingam, Yannick Paulsen (YPaulsen-TLC), Corrado Lombardi (corrad82-4s), Milan Majchrak (milanmajchrak).

Additional Thanks

Additional thanks to our DSpace Leadership Group and DSpace Steering Group for their ongoing DSpace support and advice. Thanks also to Lyrasis for your leadership, collaboration & support in helping to speed up the development process of DSpace 9.

Thanks also to the various developer & community Working Groups who have worked diligently to help make DSpace 9 a reality. These include:

DSpace Developers Team - This volunteer-based team leads the development of new releases. Anyone is welcome to join the Developer Meetings
DSpace Community Advisory Team (DCAT) - This team helped organize/lead the DSpace 9.0 Testathon (to bang on the system to find any last bugs), and they also provided us with advice on features, etc.

We apologize to any contributor accidentally left off this list. DSpace has such a large, active development community that we sometimes lose track of all our contributors. Acknowledgments to those left off will be made in future releases.