Huge thanks for this nice thingy and especially that it works on Waterfox Classic (i.e. 56.3 with a basic WebExt support, about of 57-58 level). Please... Not, PLEASE preserve this compatibility in future builds.
Thanks for your feedback :) In the "Web Console" (CTRL+SHIFT+K) and LocalCDN's Wiki you can find more information about this known problem. (https://gitlab.com/nobody42/localcdn/-/wikis/faq/Broken-JavaScript-or-CSS-on-some-websites)
