I am also running 115.5.0 (64 bit) on Ubuntu 18.04.6 LTS and it runs a way much faster, basically acceptable. The same accounts, same settings. In fact it includes much more historical data on disk, which does not affect performance at all.
Thunderbird on Ubuntu 20.04 LTS. Extremely slow after upgrade to 115 (currently 115.05.0 (64bit). I am using Thunderbird for over 15 years and it was never bad like now. Really fed up now., it has been lagging since some time in September. Multiple s...
