Better ^new^: Mdkarm Version 543a

Debugging and audit trails were historically a bottleneck. Version 543a writes logs to a separate ring buffer that operates independently of the main execution thread. This means you can enable verbose logging without impacting performance—a feature previously only found in enterprise-grade tools costing ten times as much.

If "543a" implies a specific, perhaps non-standard build, mdkarm version 543a better

: Version 5.43a integrates newer versions of the Arm Compiler, offering better code optimization and safety-qualified tools for Cortex-M architectures. Debugging and audit trails were historically a bottleneck