During the climb at around 26000ft the outside temperature jumps to + 262 ° C. It then regularly jumps from the real temperature to this extreme temperature.
Is this a new bug that came with the new update or is it my fault?
Its been happening a few days, I think they are aware of it. Its advised to turn off live weather above that altitude/flight level, then turn live weather back on when descending. The “bug” will stop most aircraft from climbing