Version 0.27

Currently under development.

  • Added choice array style for multi selection dropdowns

  • Introduce action topics and allow filtering action lists by topics

  • Added new array index diff syntax for updating data via the HTTP API

Version 0.26

Released on February 13th, 2024.

  • Show changes during schema upgrade

  • Added support for FIDO2 passkeys for authentication and two-factor authentication

  • Fully remove support for files with local storage (see:

  • Allow configuring which action types are shown for object filters

  • Added automatic sign out due to inactivity for users on shared devices

  • Allow schema upgrade when using an object as a template

  • Allow using the simple search via the HTTP API

  • Fixed setting SAMPLEDB_HELP_URL

  • Fixed two-factor authentication for refresh logins

  • Added federated identities

  • Added user activity to object list filters

Version 0.25.3

Released on December 20th, 2023.

  • Fixed showing plotly plots on instrument page

  • Fixed datetime format in HTTP API

  • Fixed user interface issues related to admin-only action types

  • Fixed handling of defaults during complex schema upgrades

Version 0.25.2

Released on December 7th, 2023.

  • Fixed bool fields with defaults

Version 0.25.1

Released on December 7th, 2023.

  • Fixed choice_equals conditions nested in any, all or not conditions

Version 0.25

Released on December 4th, 2023.

  • Implement client-side array editing

  • Allow automatic calculation of quantity values

  • Show object form errors as expandable alert message

  • Added file name search

  • Added object_log API endpoint

  • Added object log webhooks

Version 0.24.1

Released on July 27th, 2023.

  • Fixed conditions not being applied correctly to object reference fields

Version 0.24

Released on July 17th, 2023.

  • Added .eln file import

  • Allowed updating actions via the HTTP API

  • Allow granting READ permissions to all signed-in users during object creation

  • Prevent creation of files with the deprecated local file storage via HTTP API


  • Introduce statistics and relative times in timeseries

  • Allow tooltips for property titles

  • Fixed search by user name

Version 0.23.1

Released on June 6th, 2023.

  • Fixed handling of selectpicker fields with conditions

Version 0.23

Released on May 31st, 2023.

  • Added support for short-lived API access tokens

  • Added file datatype

  • Implemented workflow view for related objects

  • Allow administrators to set whether they want to see hidden users

Version 0.22.1

Released on April 19th, 2023.

  • Fix bug preventing federation file imports containing file hash information

Version 0.22

Released on April 12th, 2023.

  • Implemented object storage capacities for locations

  • Applied admin permissions to managing groups

  • Added selection to generate labels for multiple objects

  • Added selection to change the permission for multiple objects

  • Added timeseries data type

  • Added support for translated property titles and notes to the graphical schema editor

  • Enforce that titles in schemas are not empty

  • Allow using more than one LDAP server

  • Added optional checksum for file contents

  • Allow viewing differences between object versions

  • Fixed configuration of action types linkable to project groups

  • Allow linking an object to an instrument to provide additional information

  • Added data differences between object versions to the version api

Version 0.21.5

Released on March 10th, 2023.

  • Fixed object search filter by action or type

  • Fixed usage text in scripts

  • Fixed download service permission checks

  • Fixed logic for displaying “Use as Template” button for objects

Version 0.21.4

Released on February 21st, 2023.

  • Fixed label generation for imported objects

  • Show “Create Action” button for instrument scientists

Version 0.21.3

Released on February 7th, 2023.

  • Translate group names in invitation notifications

  • Fixed filtering objects by group permissions

Version 0.21.2

Released on February 2nd, 2023.

  • Fixed compatibility with PostgreSQL 11

Version 0.21.1

Released on January 25th, 2023.

  • Fixed filtering by activity of a user

Version 0.21

Released on January 23rd, 2023.

  • Improved user interface

  • Add basic federation feature

  • Added optional support for background tasks

  • Allow ftp, file, sftp and smb scheme and IPv6 addresses in URLs

  • Improve display of quantities

  • Improve static file caching

  • Added support for a monitoring dashboard (experimental)

  • Added location permission management

  • Enabled asynchronous loading of object lists by default

  • Deprecated setting SAMPLEDB_LOAD_OBJECTS_IN_BACKGROUND to false

  • Deprecated local file storage

  • Deprecated numeric tags

  • Added recipes

  • Allow missing datetime entries if not marked as required

  • Fix negated text search

  • Fix search with missing attributes

  • Made the objects table width configurable

  • Allow searching for missing attributes

  • Allow setting minimum and maximum values for quantities

  • Allow setting an instance-wide timezone using SAMPLEDB_TIMEZONE

  • Added array style full_width_table

  • Allow selecting a unit when entering a quantity

  • Allow giving anonymous users READ permissions for objects

  • Added SciCat export

  • Added .eln file export

  • Allow declining object responsibility assignments

  • Implemented location types, location responsible users and a location log

  • Added download service

  • Allow saving object list filters

  • Show last user profile update time

  • Allow administrators to update user profile information

  • Added show_more option for objects

  • Allow hiding locations as administrator

  • Allow showing objects stored at sub-locations

  • Added group categories

  • Allow assigning a location to an instrument

  • Added API route to get related objects

  • Allow disabling instrument features

  • Added support for hh:mm:ss time notation for hours and minutes quantities

Version 0.20

Released on March 4th, 2022.

  • Added support for any, all and not conditions

  • Improve Markdown field image uploads

  • Add schema templates

  • Support multiple action IDs or action type IDs for object reference schemas

  • Improved user interface

  • Fix number rounding

Version 0.19.3

Released on January 19th, 2022.

  • Fix schema upgrade for multi language choices

Version 0.19.2

Released on January 7th, 2022.

  • Fix editing notes in schema editor

Version 0.19.1

Released on December 20th, 2021.

  • Fix missing object type and ID on object page when using inline edit mode

Version 0.19

Released on December 9th, 2021.

  • Allow filtering instrument log entries by author

  • Allow sorting instrument log entries by author

  • Added event datetime for instrument log entries

  • Added internationalization features

  • Added german localization

  • Store file contents in database by default

  • Allow setting a publicly visible user role

  • Added support for configurable user fields

  • Added label for administrators in user list

  • Allow individual exemptions for Use as Template

  • Allow setting a default number of items for arrays

  • Improved user interface

  • Added support for a custom CSS file

  • Added support for conditional properties

  • Allow filtering object references by action

  • Implemented TOTP-based two factor authentication

  • Added tree view for instrument log entries

  • Allow editing individual fields

  • Allow hiding object type and id on object page

Version 0.18

Released on May 7th, 2021.

  • Moved example_data functionality to set_up_data script

  • Allow administrators to enforce user names to be given as surname, given names

  • Added plotly_chart data type

  • Improved search page

  • Improved object version HTTP API

  • Improved action HTTP API

  • Improved user interface

Version 0.17

Released on February 10th, 2021.

  • Added Dataverse export using the EngMeta “Process Metadata” block

  • Added short descriptions to actions and instruments

  • Added array style “horizontal_table”

  • Improved handling of optional text input

  • Allow linking to headers in Markdown content

  • Allow disabling of “Use in Measurement” button for samples

  • Added markdown support to object metadata

  • Added markdown support to instrument log

  • Reimplemented PDF export

  • Added configuration variables to allow only administrators to create groups or projects

  • Added asterisks to mark required fields when editing objects

  • Project permissions can be set when inviting a user

  • Allow default value “self” for user fields

  • Allow searching for tags in dropdown object selection fields

  • Renamed projects to project groups and groups to basic groups to avoid ambiguity

  • Allow disabling of subprojects / child project groups

  • Allow giving basic or project groups initial permissions

  • Allow configuring the Help link

  • Allow linking project groups to objects

  • Fixed action ID filtering when loading objects in the background

  • Added action permissions to user interface

  • Improved handling of quantities for the HTTP API

Version 0.16.1

Released on January 27th, 2021.

  • Fixed object name escaping when loading objects in the background

Version 0.16

Released on December 9th, 2020.

  • Allow restricting object references to specific action id

  • Improved performance of object lists

  • Allow setting display properties as part of the object list URL

  • Improved performance of instrument pages

  • Added image upload via drag and drop to Markdown editors

  • Added support for placeholder texts for text and quantity schemas

  • Added additional options to the HTTP API objects endpoint

  • Display projects based on parent-child relationship

  • Improved “View Objects” for users, groups and projects

  • Added object comments to the HTTP API

Version 0.15

Released on November 6th, 2020.

  • Added versioning to instrument log entries

  • Added user to metadata types

  • Allow setting instrument log entry order

  • Allow custom action types

  • Allow administrators to deactivate users

  • Allow disabling group deletion by non-administrators

  • Fixed pagination for viewing objects of a project

  • Added Docker Compose configuration file

  • Ensure that file storage path is owned by sampledb user in docker container

  • Added SAMPLEDB_LOAD_OBJECTS_IN_BACKGROUND option to load object select options using ajax

  • Added “list” array style

  • Added Markdown editor for editing instrument and action Markdown content

Version 0.14.1

Released on October 13th, 2020.

  • Upgraded dependencies

Version 0.14

Released on September 23rd, 2020.

  • Allow restricting location management to administrators

  • Do not show hidden users as instrument scientists

  • Added setting for admin permissions

  • Allow hiding instruments and actions

  • Added object name to properties of publications linked to an object

  • Improved invitation token handling

  • Made invitation time limit configurable

  • Show pending group and project invitations to members

  • Show all group and project invitations to administrators

  • Allow copying permissions from another object

  • Improved user interface

Version 0.13.1

Released on September 9th, 2020.

  • Fixed a user interface issue

Version 0.13

Released on September 2nd, 2020.

  • Added Dublin Core metadata in RDF/XML format

  • Added fullscreen image preview of object and instrument log images

  • Added instrument log to HTTP API

  • Allow filtering instrument log by month

  • Allow setting a publicly visible user affiliation

Version 0.12

Released on July 29th, 2020.

  • Added data export as PDF document, .zip or .tar.gz archive

  • Allow adding a logo to object export PDF documents

  • Allow setting a publicly visible ORCID iD

  • Added instrument log

  • Added instrument scientist notes

Version 0.11

Released on June 18th, 2020.

  • Allow usage of Markdown in instrument and action descriptions

  • Added configuration values for creating an admin user during initial setup

  • Added administrator guide to documentation

Version 0.10

Released on May 11th, 2020.

  • Allow configuring label formats

  • Added search filters to objects API

Version 0.9

Released on March 10th, 2020.

  • Allow creating and editing instruments using the web frontend

  • Allow referencing measurements as object properties

  • Added readonly users

  • Allow hiding users

  • Added API tokens

  • Added administration functions to the web frontend

  • Fixed various minor bugs

Version 0.8.1

Released on December 10th, 2019.

  • Simplified deployment

Version 0.8

Released on November 12th, 2019.

  • Added search to group and project dialogs

  • Fixed various minor bugs

Version 0.7

Released on September 13th, 2019.

  • Allow deleting groups and projects

  • Allow group and project member removal

  • Allow users to accept responsibility assignments

  • Fixed various minor bugs

Version 0.6

Released on August 30th, 2019.

  • Added JupyterHub notebook templates

  • Added list of tags

  • Fixed various minor bugs

Version 0.5

Released on April 15th, 2019.

  • Added publications

  • Removed activity log

  • Added files to HTTP API

  • Improved user interface

Version 0.4

Released on February 13th, 2019.

  • Added object pagination

  • Added posting of external links for objects

  • Added schema editor

  • Added ‘Use in Measurement’ button to samples

  • Fixed various minor bugs

Version 0.3.1

Released on January 21st, 2019.

  • Improved performance of object permissions

Version 0.3

Released on January 16th, 2019.

  • Added custom actions

  • Added locations

  • Added notifications

  • Added search by user name

  • Added users and object permissions to HTTP API

  • Improved documentation

  • Improved email design

  • Improved user interface

  • Fixed various minor bugs

Version 0.2

Released on November 30th, 2018.

  • Added documentation

  • Added HTTP API

  • Added Related Objects to objects’ pages

  • Added PDF export for objects

  • Added label generation for objects

  • Added GHS hazards as optional metadata

  • Added error messages during object creation and editing

  • Changed advanced search to be automatic for some queries

  • Added sorting to object tables

  • Added favorites for actions and instruments

  • Improved user interface

  • Fixed various minor bugs

Version 0.1

First stable release.