Overview and what's new in Constellio 12.5
  • 07 May 2026
  • 2 Minutes to read
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Overview and what's new in Constellio 12.5

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Article summary

Major version12
Minor version12.5

Version 12.5: 

Important
Installing version 12.5 requires reindexing of the environment before it is fully operational.

⚠️ Important messages :

  • Several important security fixes have been included in this update to address identified vulnerabilities. It is therefore highly recommended to update to this version.

  • Version 3 of the API is now available and consolidates the features from versions 1, 2, and beta. Clients who wish to use it will need to adapt their integration. The following documentation has been prepared to support technical teams and facilitate the adoption of v3:

V3 Documentation:
https://constellio-it.atlassian.net/wiki/external/YmUwOWIyNmQ0OTc4NGVjODlkZGM3MzIyNGNjNjQ4ZGM 

Migration Guide:
https://constellio-it.atlassian.net/wiki/external/M2EwNDIxZDlhODA3NDZiZDk4YWJlM2YzZjYyNDg3NWI 

Additionally, API versions 1, 2, and beta are now deprecated, and a timeline for their end of life will be communicated shortly.


Improvements

Features
Description

Administration

Improvement of the diagnostic tool for the search service status.

Administration

Improved detection and logging of cache issues to ensure better system stability.

Administration

Application logging is now available in JSON format.

Administration

Reduced noise in application logs to make them easier to read.

Collaborative Spaces

Fixed an issue that prevented the classification of documents from a collaborative space.

Document Processing

Added progress tracking for document parsing and improved the performance of the reprocessing script.

Document Viewer

The collection ID is now included in the document viewer's URL.

Email Connector

Fixed an issue that prevented viewing certain emails from the connector.

Email Notifications

Added a timeout for authentication to the email server to prevent errors in case of a slow response.

Electronic Signature

Fixed an issue where a signed document could be marked as "modified" depending on the user who initiated the request.

Electronic Signature

It is now possible to sign a document even if the user only has read access to it.

Files and Versions

Fixed an issue that prevented adding a new version by drag-and-drop on a checked-out document.

Files and Versions

Fixed an issue that occurred when uploading or downloading large files.

Import/Export

Added a new, more efficient data export method (systemstate) that requires fewer resources. The export now runs as a background job.

Indexing and Search

Improved the processing algorithm for pending documents during a re-index. The processing is now up to 2.5x times faster, significantly reducing the total operation time.

Lifecycle

Fixed internal automated tests related to the record destruction process.

Lifecycle

Attempting to delete a record under a legal hold is now blocked by a clear error message. Previously, the action failed with a generic message and could leave the record in an unstable state.

Lifecycle

Fixed an issue where a record's closing date was not saved correctly if it was identical to the opening date. The system now accepts a closing date that is equal to or later than the opening date.

Metadata

Fixed an issue where the value of the 'Old Identifier' field was cleared when selecting a 'Container Type'.

Microservices

Updated the underlying technologies of microservices (OCR, Conversion) to improve security and performance.

Office 365 Connector

Fixed a display issue in the Office 365 document source tree.

Performance

Optimized communications with the storage vault to improve overall performance.

Performance

Fixed a performance issue related to the synchronization of collections.

Public Portal

Improved the display logic for metadata available as filters in the public portal's advanced search.

Public Portal

Fixed an issue that prevented adding an existing search facet to a new public portal.

Public Portal

The public portal now handles redirection of old hyperlinks (version 11) to the corresponding new pages.

Tasks and Notifications

Fixed an issue where task reminders were being sent in an unwanted loop.

User Interface

The display delay for the connection loss message has been increased to avoid false positives during long operations.


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