The Starcoin on-chain governance poll (poll ID:4) has passed, the mainnet stdlib v6 upgrade transaction is complete, and the following features are supported on the Starcoin mainnet:
1、New Oracle protocol, support general data oracle and price oracles. (#2732)
2、New NFT protocol which has builtin IdentifierNFT, GenesisNFT. (#2688, #2763, #2760, #2767, #2769, #2771, #2772)
3、Support contract account by using SignerCapability abstraction. (#2673)
4、Account::deposit support deposit zero token. (#2745)
5、Account supports the auto-accept-token feature. (#2745)
6、Add many script functions. (#2745, #2781)
7、Fix Math.mul_div. (#2775)
