The ArchivesSpace team is happy to release v1.5.1.

This release addresses two issues that were discovered after last week’s v1.5.0 release:

Ensures that the correct version of Solr is packaged and modifies some Solr behavior not needed for ArchivesSpace installations. This addresses the indexing issues that were experienced by people with very large ArchivesSpace databases and will improve indexing performance for all database sizes. ( and

Makes some changes to the EAD exporter to ensure that invalid EAD is not produced when ampersands or <extref> are present in some notes. (

If you already upgraded to v1.5.0, this will be a minor upgrade and you can follow the standard upgrade instructions ( If you are moving from v1.4.2 or earlier versions of ArchivesSpace, please review the additional upgrade considerations at

Thank you to the community members at Harvard University, Duke University, Rockefeller Archive Center, University of Michigan, American Academy of Rome, University of Denver, and the University of California San Diego who first identified these issues, contributed discussion about them, and provided data with which to test them. Thanks to the team at Hudson Molonglo, Chris Fitzpatrick, Mark Cooper at LYRASIS, and Mark Custer at Yale for providing the diagnoses and development work that enabled the issues to be addressed quickly.


The ArchivesSpace team is very happy to release version 1.5.0.

This release incorporates the enhanced container management functionality originally developed for Yale University by Hudson Molonglo (HM) into the core code of the application. It also incorporates the complementary location management functionality developed for New York University by HM. Documentation of these features is available in the ArchivesSpace user manual, as are screencasts of some of the container management functions. Yale University  and NYU have also made their local documentation available publicly, though the functionality described in it may differ slightly from what appears in v1.5.0.

Please see the release page for a listing of all the new features and bug fixes included in this release. The recording from the July 5 webinar reviewing many of these features and the process for upgrading is available at

Please see the technical documentation for information on how to upgrade your ArchivesSpace installations. Special considerations for this upgrade are at Do let us know if you have questions or encounter problems executing the upgrade and conversion to the new container management data model.

This release was truly a community effort, and we’d like to thank the dozens of ArchivesSpace users and developers who wrote and reviewed code, submitted pull requests, provided feedback on the features and documentation, and tested the release candidates for making it possible. Special thanks go to the Testing sub-team, which includes members of the User Advisory and Technical Advisory councils and is led by Miloche Kottman. Mark Cooper and other members of the Digital Technology Services team at LYRASIS provided timely and invaluable technical support.

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