Data points from this week at SIN:
Arriving LH F (T2) connecting to SQ F (T3), just a lady with a sign. No assistance. Lonnnngggg walk from the farthest gate in D to the sky train and it felt like the aircon wasn’t working in the airport lol
Arriving SQ F (T3) connecting to LX F (T2), buggy waiting for me on arrival from SQ flight to take me to transfer desk and the lounge for the LX flight.