• Allow OOT modules to be built with non-distro kernels
• Add cross-arch unit testing support
• Support ELF extended symbol section indexes
• Allow setting kernel version if --sourcedir and --vmlinux are used
• Cleanup and enhance LINE macro detection for all arches
• Fix segfault on .LCx string literal symbols
• Include __dyndbg section when referenced by jump table
• Honor user provided KBUILD_EXTRA_SYMBOLS
• Support .retpoline_sites section
• Add native compiler selection via CROSS_COMPILE