Conrad Centennial Singapore
Stayed - 4 nights, mid October
Upgrade - Booked Deluxe King, received Premium King (1 category upgrade)
Early check in - Not used
Late check out - Offered, not needed
Breakfast - Included at restaurant or lounge by the pool (buffet). I used the lounge every time, very solid breakfast.
WiFi - Included
Amenity - $100 USD property credit, converted to SGD at a decent exchange rate and applied to folio automatically.
Nice property, pretty happy with my stay there.