It is often the last version intended to support specific older device drivers that were phased out in subsequent releases like V4.93 or V4.94.
DIGSI 4 serves as the critical user interface for the SIPROTEC protection device family. Version 4.90 provides a reliable and intuitive engineering environment, particularly favored in industrial power and energy distribution systems. Key Capabilities of DIGSI 4.90: Digsi 4.90 Download UPD
October 26, 2023 Subject: Investigation into Software Availability and Security Implications It is often the last version intended to