
TESSY 5.1.9
TESSY 5.1.9 is a patch release in the TESSY 5.1 series, developed by Razorcat Development GmbH, a leading tool for automated unit, integration, and component testing of embedded C and C++ software in safety-critical applications. TESSY is qualified for standards like ISO 26262 (up to ASIL D), IEC 61508 (up to SIL 3), and DO-178C, with TÜV certification. The major 5.1 release was announced in October 2023, focusing on enhanced usability, code analysis, and CI/CD integration. Patch versions like 5.1.9 typically include bug fixes, stability improvements, and minor enhancements without introducing major new features, building on the core 5.1 capabilities. As of September 2025, 5.1 remains the current major series, with ongoing patches available via the Razorcat customer portal. Key...