https://devzone.nordicsemi.com/f/nordic-q-a/128807/ncs-3-4-0-compiling-with-ns-optionGood morning everyone. I’m having some issues compiling my firmware using NCS 3.4.0 and the ‘ns’ option. I’m using an nRF9151DK board. Basically, my firmware compiles and flashes successfully, but it doesn’t run on the board. As I couldn’t sort iten-USTelligent Community 13Mon, 27 Jul 2026 11:01:19 GMThttps://devzone.nordicsemi.com/thread/569504?ContentTypeID=1Mon, 27 Jul 2026 11:01:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:94290e53-fe2b-4fd7-b69e-6335c3b8f93dIngfu<p>We have a similar issue with the nrf54l15. Our application works with v3.3.1 with tf-m but not on 3.4.0 with tf-m. On 3.4.0 only as cpuapp works without tf-m. I believe, 3.4.0 broke tf-m.</p><div style="clear:both;"></div>