Weekly beta releases are expected before getting to the release candidates in a few weeks time. If all goes well, FreeBSD 13.0 will be officially out around 21 March.
FreeBSD 13.0 has a lot of hardware driver updates/additions as usual, continued work on its Bhyve hypervisor, better ZFS file-system support (OpenZFS 2.0), and a lot of other usual work that has accumulated. Also new is WireGuard support being merged into its kernel, significant NUMA performance optimizations, updated DRM graphics drivers from Linux , network performance optimizations , and more.
Those wanting to test out FreeBSD 13.0-BETA1 this weekend can find download links via the release announcement . FreeBSD 13.0-BETA1 install images are available for x86_64, PowerPC 64 (including LE and PowerPCSPE), AArch64 for a variety of targets from generic to PINE64 and ROCK64 and more, and generic RISC-V 64-bit images too.