I get the lock up too when I press F3. I eventually get the "Kitten Space Agency is not responding. I've let it sit for about 3 minutes before I close the program.
My info:
KSA Build: 2026.4.15.4141
OS: Windows 11 - OS Build - 26200.8246
VidCard: AMD Radeon RX 6700XT w12gb memory
Driver...
