So developers team is very professional and we need just to wait.
Regarding large data in full sync to be downloaded, which is also related to scalability somehow, is that introducing ZK-SNARKS (Zcash way of cryptography) is also some solution that will be implemented in light Ethereum Wallet client. ZK-SNarks will be introduced in forthcoming fork on 17-th October. As I understand that Non-Interactive Zero-Knowledge (ZK-Snarks is just one of implementation) gives the possibility to download up to eg. 700 MB data and it will be enough to verify whole blockchain, which is now above 300 GB