[polaritron]

  However, continuous user tracking 
  via TLS session resumption is only 
  possible as long as the browser is 
  not restarted, because this clears 
  the TLS cache.

https://svs.informatik.uni-hamburg.de/publications/2018/2018...

[lalos]

I wonder if that deletion can be scriptable and triggered on-demand without restarting by a Firefox extension.