User-Visible OpenAFS Changes OpenAFS 1.6.20.1 All platforms * Build fixes required by recent compilers (12482..12484) Linux clients * Support for mainline kernel 4.9 and distribution kernels with backports from it (12478..12480) * In Red Hat packaging, make systemd deal correctly with the client when no userland processes remain after starting it (12481) (RT #133482) macOS * Support for release 10.12 "Sierra" (12431 12432) * Avoid a crash in the Mounts tab of the OpenAFS preference pane (12447)