Release 3.28.0 (23 Oct 2026)
This release supports X86/Linux, AMD64/Linux, ARM32/Linux, ARM64/Linux,
PPC32/Linux, PPC64BE/Linux, PPC64LE/Linux, S390X/Linux, MIPS32/Linux,
MIPS64/Linux, RISCV64/Linux, ARM/Android, ARM64/Android, MIPS32/Android,
X86/Android, X86/Solaris, AMD64/Solaris, X86/macOS, AMD64/macOS.
X86/FreeBSD, AMD64/FreeBSD and ARM64/FreeBSD. There is preliminary support
for nanoMIPS/Linux. macOS is supported up to version 13 Ventura (amd64 only).

  - VALGRIND_RUNNING_VERSION returns the Valgrind version that
    the guest executable is running under. The value returned
    is a decimal value in the form Mmm where M is the major
    version and mm is the minor version. For instance, this
    release returns 328. Returns 0 if the executable is not
    running under Valgrind, or is running under a version older
    than 3.28.

  under valgrind. By default, Valgrind can handle to up to 8000 madvise
  the --max-threads setting (which defaults to 500) times 16.
517144  Add PACKUSDW SSE4.1 support for x86
519223  Recognize ioctl(UFFDIO_*) operations