Updates/Changes and Updates 2026 Changes and Updates 2026 Change Note 2026-04-18 lib/v3.1, debugging. Change Note 2026-03-31 lib/v3.1, debugging, testing, more tools. Change Note 2026-03-07 Debugging and tools. Change Note 2026-02-19 Tools and debugging support. Change Note 2026-02-13 Secure/Non-secure program separation, part 4 (RP2350, update). Change Note 2026-02-12 Secure/Non-secure program separation, part 3 (RP2350). Change Note 2026-01-30 Secure/Non-secure program separation, part 2 (STM32U585). Change Note 2026-01-13 Secure/Non-secure program separation, part 1 (basics).