Routine tritium operation in TFTR has permitted investigations of alph
a particle physics in parameter ranges resembling those of a reactor c
ore. ICRF wave physics in a DT plasma and the influence of isotopic ma
ss on supershot confinement have also been studied. Continued progress
has been made in optimizing fusion power production in TFTR, using ex
tended machine capability and Li wall conditioning. Performance is cur
rently limited by MHD stability. A new reversed magnetic shear regime
is being investigated with reduced core transport and a higher predict
ed stability limit.