v2026.02

🚀 What's Changed

• Migration to Nx monorepo and deprecation of polyrepo repositories
• Migration to Angular 20 and standalone components
• Offline support
  • Removed dependencies pulled from remote sources
  • Frontend retails functionality even on an isolated LAN network
• Stricter error logging
• Optimized dependencies
• Security updates
• Added skeleton loading screen
• Reworked and improved split view for training levels with a topology
• Topology can now be collapsed for better experience with text-heavy levels
• Fixed topology covering up the answer field
• Reworked file upload dialogue
• Improved home screen visuals
• Added client-side caching for endpoints serving mostly static data
• Improved visuals of training run stepper
• New topology component
  • Improved looks
  • Physics based
  • Switches replaced with VLANs
  • Optimized for large networks
  • Embedded view for Guacamole connections
  • Zoomable and draggable
  • Improved context menu
  • Guacamole now indicates its connection status
  • Indicators for OS and SSH/GUI guacamoles capability
  • Quick open connection with double-click
  • Quick switch console tabs with CTRL+ALT+LEFT/RIGHT
• Pools changes
  • In sandboxes table, relevant row action buttons are now clickable only when the sandbox is available
  • In pools table, the current lock state is now signalled with an indicator
  • Fixed the pool comment component edit button wrapping to next row
  • Improved resource usage visualization component
  • Fixed the ability to navigate to stage outputs of a sandbox when the sandbox is being cleaned up, preventing 404 error
• Dashboard changes
  • Completely reworked progress visualization
    • New appearance
    • Smoother updates
    • Improved trainee lag visualization
    • Improved hover tooltip verbosity
    • Better responsivity
    • New filter and sort options
    • Better zoom and drag controls
    • Trainee pinning to the top of the list
    • Filtering by level and by lag
    • Level highlight on level hover in stepper
  • New trainee selection in dashboard
  • Fixes in score line and clustering charts
• Improved sandbox allocation detail
  • Stages organized into a carousel layout and fully reworked request detail component
  • Fixed issue with logs scrolling to top on each refresh
  • Logs now auto-scroll with new records when scrolled to the bottom and upon completion, the next stage is focused
  • If no specific stage is selected for navigation, the last running/failed log is automatically focused
  • Improved component for log text visualization
  • Improved log update logic to prevent request flooding of the backend when backend hangs and to poll only when running
  • Logs now fetch incrementally (see the Python backend section)
  • Added options for
    • Fullscreen
    • Line wrap
    • Copy contents
    • Search
• Buttons now stay disabled while a request is processing to avoid accidental duplicated requests
• Improved time related displays across tables
  • Added countdown table cell component for live time updates of time left in a training instance
  • Added a reactive date table cell component which displays time on top of date when hovered
• Improved microservice error readability
• Fixed MITRE service error
• Guacamole connections now authenticate with OIDC
• Added height restriction for text areas
• Replaced Ansible icon with square alternative
• Added frontend YAML configuration validation with comprehensible error messages in browser console
• Removed code duplications and improved code abstraction
• Various internal improvements for contributor experience and code type safety
• Fixed infinite loading in command analysis visualization
• Minor unnoticeable fixes

🙌 Thanks to all contributors in this release:

• @mario-cshub

Full Changelog: v1.1.0...v2.5.3