Sony has announced the impending release of the LA-EA5, its newest A-mount to E-mount lens adapter. In addition to changing mounts, the new adapter provides autofocus support for Sony A-mount SSM (Super Sonic wave Motor) lenses, SAM (Smooth Autofocus Motor) lenses, and even non-motorized screw-drive lenses in still shooting modes.

An illustration showing the internal construction of the LA-EA5 adapter, with emphasis on the screw-drive motor.

Despite the ability to power non-motorized screw-drive lenses (limited to the a7R IV and a6600, at least for the time being), the LA-EA5 features a compact form factor, thanks to clever internal gear and motor positioning.
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https://www.dpreview.com/news/5851213370/sony-releases-new-a-mount-to-e-mount-lens-adapter-with-built-in-screw-drive-support