• Upgrade: GCC 15.1
• Upgrade: Binutils 2.44
• Upgrade: busybox-w32 FRP-5579
• Upgrade: GDB 16.2
• Upgrade: u-config 0.34.0
• Default to a quiet, trapping std::terminate (#215)
  • Uncaught C++ exceptions now trap in GDB
• Directory hierarchy flattened, architecture subdir removed
• Restore C++ <stacktrace> support (#200)
• Vim xxd replaced with rexxd
• GCC patched to fix misaligned SIMD spills (AVX, AVX2, etc.)

Included software: GCC 15.1.0, busybox-w32 FRP-5579, GDB 16.2, Mingw-w64 12.0.0, GNU Make 4.4.1, Vim 9.0, Universal Ctags 6.0.0, Binutils 2.44, and minor dependencies