The game rules page: "All emulator runs must be done on DeSmuME version 0.9.11 or newer, or melonDS 0.9.5. When submitting a run done on emulator make sure you select the “Emulator” sub-category and set the platform to “Nintendo DS” with the emulator box checked. Since different emulator versions have different loading times, please include your emulator's version in either the video of your run (recommended) or in the description of your run. Not providing the emulator version may lead to the maximum loading time being added to your run."
Earlier today, Twitch has that they are "implementing a 100 hour storage limit for Highlights & Uploads starting 4/19." There is a 2 month grace period for people with highlights on their channel to be able to download their highlig
