The extension is now (as of v2.2.4) available on the Chrome and Firefox stores under the name NflxMultiSubs 2021.
If you have previously installed the extension from this repository, please remove it and reinstall from the store.
Regular users should only install the extension directly from the store! This way you will automatically get all future updates.
Chrome: https://chrome.google.com/webstore/detail/jepfhfjlkgobooomdgpcjikalfpcldmm
Firefox: https://addons.mozilla.org/firefox/addon/nflxmultisubs-2021
Ratings would be greatly appreciated. Please report any problems here by creating an Issue. You can find the changelog for future releases on the store page.