Hi!
I have a RPi2 connected to a LG TV.
Since LE 8.0.0, the problems with the remote have been a big pain. Basically the system was unusable and i have to downgrade to LE 7.
Finally, using LE 8.0.2 plus libcec version f2c4ca7 seems to resolve near all the issues (3953f8d version was also valid except for some pause related bug).
I dont know if that version can be pushed into LibreElec or if its necessary to wait until the libcec guys makes a new release and Kodi team upgrades the lib too.
In any case, i hope this info will be helpful to anyone that have similar problem.
Regards,