Odaily News Aptos node v1.16.3 has been updated, and users need to upgrade to the latest version within the next 5 days. This update aims to improve system stability and security and ensure smooth network operation. It includes adding a procedural macro bytecode_spec so that inline specifications for Move bytecode instructions can be defined in Rust; adding a runtime environment outside of the VM. This environment can be used for caching and may be shared between VM instances.