Apple just released an updated version of Final Cut Pro X 10.4.9 in early September. Few of the highlights of this version is enhanced proxy workflows, social media tools, ProRes Raw camera settings, and Audio Crossfades. See below the updates in detail.
Enhanced proxy workflows
Create copies of your media in ProRes Proxy or H.264 at various resolutions to reduce file sizes and speed up editing.
Social media tools
Convert your projects into square and vertical aspect ratios with intelligent cropping for each clip.
ProRes Raw camera settings
Adjust ISO, color temperature, and exposure offset using new controls in the inspector.
Quickly apply audio fades on adjacent clips using a menu command or keyboard shortcut.