I think you made a typographical error and meant Firefox 57 (Quantum) instead of Firefox 47.
Like Random Agent Spoofer, Self-Destructing Cookies was not ported to the
WebExtensions API, the only one Firefox (and derivatives such as Abrowser) 47
and later support.
- [Trisquel-users] The "install extension" link on the... svenerik_vn
- Re: [Trisquel-users] The "install extension" li... calmstorm
- [Trisquel-users] Re : The "install extension" l... lcerf
- Re: [Trisquel-users] The "install extension" li... alonivtsan
- Re: [Trisquel-users] The "install extension" li... svenerik_vn