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Release Notes

Last updated December 4, 2025

App Release 1.0.0 – First Production Release(19-07-2024)

  • First production release of the CH platform with Home Page, Data Explorer, Jupyter integration.
  • New UI design and Metabase visualisations with filters.
  • Jupyter Notebook integration from the app.
  • Plans are now assigned when registering a user.
  • Overall reliability improved with automated tests linked to CI/CD.

App Release 1.1.0 – Firebase Login & Test Coverage(13-08-2024)

  • Added Firebase authentication for secure login.
  • Better stability thanks to unit test coverage integrated in the CI pipeline.

App Release 1.2.0 – Data Manager, MFA & Settings(12-09-2024)

  • New Data Manager to work with datasets.
  • Settings tab with:
  • Password change.
  • Basic user management (user creation).
  • Multi-factor authentication (MFA) added for stronger security.
  • Backend support for Data Manager and password change.

App Release 1.3.0 – Data Dictionary & Analytics(04-11-2024)

  • Introduced Data Dictionary to understand dataset fields.
  • Improved Data Manager SQL section with scroll support.
  • Added tracking/analytics (Mixpanel events) to better understand usage.

App Release 1.3.1 – Small UI Fix(06-11-2024)

  • Fixed a spelling issue in the Settings label in the side navigation.

App Release 1.4.0 – Data Dictionary Notes & Sorting(14-11-2024)

  • Add, edit, and delete notes on data dictionary fields.
  • New sorting options in the data dictionary (e.g. alphabetical, notes, best match).
  • Better organisation and documentation of fields.

App Release 1.4.1 – Dictionary Visuals & OMOP/Clinical Data(10-12-2024)

  • Data dictionary charts updated for clearer visualisation.
  • Added new OMOP data.
  • Backend can now fetch data from the clinical DB, enabling richer analytics.

App Release 1.4.2 – Security Improvements(06-01-2025)

  • Fixed vulnerability issues behind the scenes.
  • Overall security and stability improvements.

App Release 1.5.0 – Cohort Builder & Plan Model Update(06-01-2025)

  • New Cohort Builder page to define and analyse cohorts.
  • Under-the-hood changes to plans and access rules, making roles and entitlements more flexible.
  • Additional security/vulnerability fixes.

App Release 1.5.1 – Logging Cleanup(07-01-2025)

  • Removed debug logs to keep logging clean.
  • Small performance and stability improvements.

App Release 1.5.2 – Session Stability Fix(13-01-2025)

  • Fixed an issue where users were logged out automatically on refresh.
  • Improved overall session stability.

App Release 1.6.0 – Dataset Switching & Data Quality Foundations(03-02-2025)

  • Admins get a plans dropdown when creating users (no more hardcoded plans).
  • Admins can switch between datasets via a dropdown.
  • Backend now exposes Data Quality dashboard APIs and an updated disease overview API, laying groundwork for richer dashboards.

App Release 1.6.1 – Internal Schema Update(18-03-2025)

  • Internal schema enum update for Nira.
  • No direct UI change, but improves future data/source support.

App Release 1.7.0 – Data Quality Dashboard & Jupyter Page(04-03-2025)

  • New Data Quality dashboard to monitor dataset health.
  • New Jupyter Notebook page entry point.
  • Updated chart colours, design, and responsiveness.
  • Refreshed menu bar for easier navigation.
  • Backend support for updating profile info via API.

App Release 1.7.1 – Better Session/Plan Handling(18-03-2025)

  • The app now stores selected plan and access token in cookies.
  • More seamless and reliable plan handling and sessions.

App Release 1.8.0 – UI Polish & Auth0 Backend Migration(15-04-2025)

  • Updated chart design and additional UI polish.
  • Improved SQL editor highlighting for a better query-writing experience.
  • New welcome modal for users.
  • Authentication migrated from Firebase to Auth0 on the backend, with a dedicated auth0Id field on users.

App Release 1.8.1 – Login & Domain Reliability(01-09-2025)

  • Fixed public key issues affecting login.
  • Improved login configuration behaviour.
  • Added support for custom domains, enabling smoother access via branded URLs.

App Release 1.9.0 – Leaf Cohorts & Redash SQL Editor(20-05-2025)

  • Cohort builder with Leaf integration.
  • SQL editor powered by Redash for advanced querying.
  • Researchers can now have multiple plans, making access more flexible.
  • Fixes to issuer URL for more reliable authentication.

App Release 1.10.0 – Auth0 Login Experience & Export Backend(30-07-2025)

  • Login migrated fully to Auth0 with a refreshed login page.
  • Added links to JupyterHub and Redash directly from the app.
  • New backend API to send data export emails using templates.
  • Fixed password change behaviour to show correct error messages.

App Release 1.10.1 – Smoother Auth0 Login & Staging Access(01-09-2025)

  • Users are now redirected directly to the Auth0 login page, reducing friction.
  • Added Redash staging link, mainly for testing and internal use.

App Release 1.11.0 – Multi-dataset UX(07-10-2025)

  • Added multiple dataset switching in the UI.
  • Updated sidebar navigation to better reflect new flows and sections.

App Release 1.12.0 – Export/Download & Stability(27-10-2025)

  • New export/download data feature.
  • Fixed an issue where dataset changed unexpectedly on page refresh.
  • Fixed a password change bug, making account management smoother.
  • General bug fixes and stability improvements.

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