TUI have been operating a lot of freight charters with pretty much their whole 787 fleet, more than one on some days, mainly with the -9 fleet.
Routes operated include;
Frankfurt-Greenville
Frankfurt-Mexico City
Frankfurt-Seoul
Stuttgart-Guardalajara
Stuttgart-Mexico City
Stuttgart-Detroit
Amsterdam-Dallas/Ft Worth
While these flights continue, In recent days they have also been operating food/goods import charters to the UK as a result of the Channel port blockades.
G-TUIC has operated 5 Amsterdam-London Heathrow rotations over the last 3 days positioning back to Gatwick from Heathrow at lunchtime today.