FFmpeg has had multithreading for codecs for years. What's been added is multithreading in the transcode pipeline of the command line application. See https://ffmpeg.org//index.html#cli_threading and https://fosdem.org/2024/schedule/event/fosdem-2024-2423-mult... for details.

> FFmpeg has had multithreading for codecs for years.

*for some codecs, and with limitations.