- Add ActivitySample SQLAlchemy model for database persistence
- Add ActivityMonitor singleton with scoring, reset, lifecycle methods
- Add JUPYTERHUB_ACTIVITYMON_INACTIVE_AFTER env var (default 60 min)
- Update defaults: SAMPLE_INTERVAL=600s, RETENTION_DAYS=7
- Fix score calculation to use measured samples only (not theoretical max)
- Add 3-state status: green (active), yellow (inactive), red (offline)
- Add recently_active field in API response
- Add Reset button with confirmation dialog
- Fix green color (explicit #28a745 instead of text-success)
- Add ThreadPoolExecutor for non-blocking Docker stats
- Remove old background sampler code (on-demand sampling now)
- Bump version to 3.7.0
- user.last_activity updates on Hub page access (causes timer reset on refresh)
- server.last_activity only updates on actual JupyterLab activity
- Matches what jupyterhub-idle-culler uses for culling decisions
- Truncate requested hours to max available instead of returning error
- Add 'truncated' flag in API response with detailed message
- UI shows warning alert (yellow) when truncated, success (green) otherwise
- Warning displays 4 seconds vs 2 seconds for normal success
- Fixed extend button re-enable after successful extension
Session Extension Feature:
- Add JUPYTERHUB_IDLE_CULLER_MAX_EXTENSION env var (default 24h)
- Add SessionInfoHandler and ExtendSessionHandler API endpoints
- Add Session Status card to home page with countdown timer
- Extension tracking in spawner state (resets on server restart)
- Color-coded warnings (yellow <1h, red <30min)
Environment Settings Harmonization:
- Add all ENV defaults to Dockerfile
- Add idle culler settings to compose.yml
- Standardize logo as JUPYTERHUB_LOGO_URI with file:// prefix
- Update NVIDIA_IMAGE to nvidia/cuda:13.0.2-base-ubuntu24.04
- Add optional CIFS mount support via compose_cifs.yml and .env
- Create install_cert.sh for Linux (multi-distro support)
- Enhance install_cert.bat with folder argument and help flags
- Fix compose_override.yml stray quote, add idle culler defaults
- Enhance generate-certs.sh with generic CN and verification
- Update start.sh/stop.sh to support ENABLE_CIFS from .env
- Update README with CIFS and certificate installation docs
HomeHandler doesn't pass server_version to templates (only AdminHandler does).
Added jupyterhub.__version__ to c.JupyterHub.template_vars for global access.
- Move settings_dictionary.yml to services/jupyterhub/conf/
- Replace hardcoded word list with xkcdpass library
- Add JUPYTERHUB_AUTOGENERATED_PASSWORD_WORDS (default: 4)
- Add JUPYTERHUB_AUTOGENERATED_PASSWORD_DELIMITER (default: "-")
- Fix ENABLE_SIGNUP to JUPYTERHUB_SIGNUP_ENABLED in Dockerfile
- Add config/settings_dictionary.yml with category-based structure
- Categories as top-level keys (JupyterHub Core, Docker Spawner, etc.)
- Each setting has name, description, default, optional empty_display
- Update SettingsPageHandler to load from YAML file
- Add pyyaml to Dockerfile pip dependencies
- Refactor pip install to heredoc format with echo message
Add ability to send notifications to selected servers instead of all.
- New ActiveServersHandler at GET /api/notifications/active-servers
- BroadcastNotificationHandler accepts optional recipients array
- UI with "Send to all" checkbox and server selection list
- Select All/Deselect All buttons, dynamic button text
- Backward compatible - sends to all if recipients not specified
Use escapism library (same as DockerSpawner) to encode special
characters in usernames when constructing Docker volume and container
names. Fixes volume reset for users with dots in names (e.g., user.name).
- Add JUPYTERHUB_LOGO_FILE config for custom logo (served at /hub/logo)
- Fix CustomAuthorizationAreaHandler with @needs_scope decorator
- Import orm inside get() method to fix NameError
- Simplify page.html logo block (always use base_url/logo)
