Overview of all backend changes in 2025 – including bug fixes, enhancements, and new features across key modules such as the Communication Center, Role Management, and HR Import.
| 
 Date  | 
 App & Function  | 
 Description  | 
| 
 2025-07-23  | 
 Communication Center  | 
 Additional logs added for analysis  | 
| 
 2025-07-21  | 
 Communication Center  | 
 Missing information in app link for requests corrected  | 
| 
 2025-07-21  | 
 Communication Center  | 
 Fixed faulty storage of app links in leave requests  | 
| 
 2025-07-18  | 
 Communication Center  | 
 Fixed email sending issue for regular notifications  | 
| 
 2025-07-17  | 
 HR Importer  | 
 Hotfix to prevent infinite loop during HR data import  | 
| 
 2025-07-11  | 
 Communication Center  | 
 Extended configuration for sick leave notifications  | 
| 
 2025-07-09  | 
 Leave Management  | 
 Corrected assignment of different employment contracts to employees  | 
| 
 2025-07-08  | 
 Role Management  | 
 New user role for customer created  | 
| 
 2025-07-04  | 
 Feedback  | 
 Fixed missing fields in the left-hand display  | 
| 
 2025-07-04  | 
 Communication Center  | 
 Notifications for special leave added  | 
| 
 2025-07-04  | 
 Communication Center  | 
 Improved notifications for sick leave  | 
| 
 2025-06-25  | 
 Leave Management  | 
 Removed duplicate notifications for risk check  | 
| 
 2025-06-24  | 
 Feedback  | 
 Effort calculation adjusted at end date  | 
| 
 2025-06-24  | 
 PDC Formatter  | 
 Optimization to avoid duplicate expenses  | 
| 
 2025-06-23  | 
 Communication Center  | 
 Error message added for duplicate leave approvals  | 
| 
 2025-06-20  | 
 Time Tracking  | 
 New field for effort within a time frame added  | 
| 
 2025-06-18  | 
 Error Types  | 
 New problem type (Alien Bug) added  | 
| 
 2025-06-18  | 
 Communication Center  | 
 Checked missing database link for leave notifications  | 
| 
 2025-06-17  | 
 User Groups  | 
 New HR team user group created  | 
| 
 2025-06-17  | 
 Excel Import  | 
 Improved performance for Excel import  | 
| 
 2025-06-16  | 
 PDC  | 
 RAM savings through direct PDC commands  | 
| 
 2025-06-13  | 
 Websockets  | 
 Bug fixes and performance improvements for parallel processing  | 
| 
 2025-06-12  | 
 Staffer  | 
 Added missing use case for skill assignment  | 
| 
 2025-06-11  | 
 Migration  | 
 Confusing script names in migration files cleaned up  | 
| 
 2025-06-09  | 
 Leave Approval  | 
 Display error in leave packages corrected  | 
| 
 2025-06-06  | 
 DB Cleaner  | 
 Missing combinations in role suites added  | 
| 
 2025-06-05  | 
 Communication Center  | 
 Action names for email approvals adjusted  | 
| 
 2025-06-04  | 
 Communication Center  | 
 Email links for approvals corrected  | 
| 
 2025-06-03  | 
 Leave  | 
 Approval or rejection directly via email enabled  | 
| 
 2025-06-02  | 
 Milestone Report  | 
 Archived and template projects are now filtered  | 
| 
 2025-05-30  | 
 Role Management  | 
 New customer roles added  | 
| 
 2025-05-27  | 
 Leave Management  | 
 Fixed incorrect commenting in the code  | 
| 
 2025-05-26  | 
 Leave Management  | 
 Leave automatically removed after rejection  | 
| 
 2025-05-21  | 
 Leave Management  | 
 Improved display of time range with changes  | 
| 
 2025-05-20  | 
 Leave Management  | 
 Corrected display for “total”  | 
| 
 2025-05-19  | 
 Leave Management  | 
 Improved management of leave carryovers  | 
| 
 2025-05-15  | 
 Time Tracking  | 
 Adjusted display order for ad-hoc time bookings  | 
| 
 2025-05-12  | 
 Working Contracts  | 
 Initialization of phases for multi-year contracts added  | 
| 
 2025-05-09  | 
 Communication Center  | 
 Missing texts for notification emails added  | 
| 
 2025-05-08  | 
 Leave Request  | 
 New tile added for new leave request app  | 
| 
 2025-05-06  | 
 Leave Request  | 
 Added notification when a user wants to delete approved leave  | 
| 
 2025-05-05  | 
 Leave Request  | 
 Custom field for leave deletion implemented  | 
| 
 2025-05-05  | 
 Working Contracts  | 
 Improved management of contracts and carryovers  | 
| 
 2025-04-29  | 
 Time Tracking  | 
 Display of overtime only when option is activated  | 
| 
 2025-04-29  | 
 Cando BI  | 
 Fixed error in daily resource load calculation  | 
| 
 2025-04-29  | 
 Cando BI  | 
 Fixed project assignments without DB entries  | 
| 
 2025-04-29  | 
 Communication Center  | 
 Notification for withdrawn leave requests added  | 
| 
 2025-04-27  | 
 Communication Center  | 
 Email sending enabled for users not logged in  | 
| 
 2025-04-25  | 
 Jira Interface  | 
 Fixed error in decimal calculation for effort  | 
| 
 2025-04-23  | 
 Leave Service  | 
 Fixed error when passing parameters  | 
| 
 2025-04-16  | 
 Cando BI  | 
 Removed duplicate time entries, new project fields added  | 
| 
 2025-04-10  | 
 Communication Center  | 
Fixed missing email dispatch for leave changes |