Charlie Lee, via twitter, announced that the Litecoin foundation has plans of implementing confidential transactions on the network to make LTC more fungible. He stated that fungibility was the only feature missing from both Litecoin and Bitcoin. The tweet making the announcement can be found below.
Fungibility is the only property of sound money that is missing from Bitcoin & Litecoin. Now that the scaling debate is behind us, the next battleground will be on fungibility and privacy.