Library | onElementReady ES6(Библиотека)
Detect any new DOM Element by its CSS Selector, then trigger a function. Includes Promise- & Callback interface. Based on ES6 MutationObserver. Ships legacy waitForKeyElements interface, too.
OpenSubtitles | Download Enabler (2019)
Reenable Subtitle downloading on OpenSubtitles.com and OpenSubtitles.org, without using the official 'OpenSubtitles PRO' extension. A requirement as of early 2019.