x265 version 3.1 is out with attractive performance and quality improvements. The key new additions include integration of SVT-HEVC library into the x265 library, improved support for interlaced encoding, and better encoder control to ensure correct rendering of HDR content. Check out our release notes at https://x265.readthedocs.io/en/3.1/releasenotes.html for more details.
Happy compressing!