Updates can also be triggered manually via the context menu and/or keyboard shortcut. Added: Update interval for the generation of Source Browser Information for Arm Compiler 6 based projects is globally configurable. What's new in MDK 5.34 - Release Date: 12th March, 2021 The Keil MDK development team is pleased to announce the availability of Keil MDK-ARM 5.34 is the most comprehensive software development solution for Arm-based microcontrollers and includes all components that you need to create, build, and debug embedded applications.