The 1.6.1 version of morello musl is available with

new features: - Rebased the morello patches on musl 1.2.4. - Support morello specific enhanced capability formatting. - Changed compartment API and update example. - Documented toolchain building in build-morello-clang.rst. - Enabled libcxx testing in tools/build-morello.sh.

bug fixes: - Dynamic linker now makes read-only symbols read-only. - Fixed auxv capabilities leaking on the stack. - Fixed BSS handling in the dynamic linker. - Fixed dl_iterate_phdr to set dlpi_phnum correctly. - Fixed broken timer_{gettime,settime,getoverrun}. - Fixed various issues in tools/build-morello.sh.

the source and development is at https://git.morello-project.org/morello/musl-libc