: Introduced support for 8K H.264 export and XAVC QFHD Long GOP 4:2:2 formats.
You need AME 2020 only if you're using it to encode projects from another Adobe application version 2020. If that is not the case, Media Encoder 14.3.2 is now available! - Adobe Community
Adobe released several iterations of version 14.3 to address stability and security: : Initial major update of the 14.x branch. v14.3.1 : Maintenance release with bug fixes. Adobe Media Encoder 2020 v14.3
The v14.3 update introduced several functional improvements for video professionals:
: A new interface element allowed users to switch quickly between multiple workspaces. : Introduced support for 8K H
: Added native support for Sony Venice V3 camera formats and Sony A7S Mark III footage (specifically in sub-version 14.3.2).
Why do I need multiple versions of Media Encoder? - Adobe Community - Adobe Community Adobe released several iterations of
: Resolved critical vulnerabilities related to out-of-bounds write/read issues that could lead to arbitrary code execution. Version History (2020 Series)