In version 3.9.9.97 build 1112, the developer fixed a critical bug where YouTube’s DASH streams (separate video+audio) were being merged incorrectly, causing audio desync in 1080p downloads. This build introduces:
MediaHuman YouTube Downloader’s latest official version (as of 2026) is around 3.9.9.97 (the numbers you gave likely refer to a build/version). mediahuman youtube downloader 39997 1112 x high quality
The "1112 x" moniker also alludes to the software's handling of extensions and external tools. By late 2023/early 2024, YouTube began aggressively rolling out dynamic playlists (e.g., "Mix" playlists and chaptered videos). In version 3
Build 39997 introduced a smarter parser that reads ytinitialdata JSON embedded in the page source. This means: In version 3.9.9.97 build 1112