# Version 23.12 December 2023 ## Changelog **Sandbox Service** * Optimized sandbox allocation, simplified request handlers. * Added topology definition caching. * Enabled hidden networks in topology. * Added monitoring functionality. * Fixed certificate generation for Windows. **KYPO Ansible Stage One** * Added support for network monitoring. **Training Service** * Included info about linear training definition creation. * Switched the table of instances' training run sandbox IDs. * Removed the prefix of the newly uploaded training definition. **Adaptive Training Service** * Included info about adaptive training definition creation. * Switched the table of instances' training run sandbox IDs. * Removed the prefix of the newly uploaded training definition. **Frontend** * Added new advanced settings for the linear training progress tool. * Refactored Sandbox pool API communication and agenda table. * Removed broken reference graph views. * Fixed ATD simulator appearance. * Migrated to Angular 15 and Angular Material 15.