These type of 'discoveries' are always released ahead of the new tourist season in Egypt. Also, the tomb was empty:

But "the tomb turned out to be completely empty", said Dr Litherland. "Not because it was robbed but because it had been deliberately emptied." They then worked out that the tomb had been flooded - "it had been built underneath a waterfall" - just a few years after the king's burial and the contents moved to another location in ancient times.
It was through sifting through tonnes of limestone in the chamber that they found fragments of alabaster jars, which bore the inscriptions of the names of Thutmose II and Hatshepsut.