Starknet Version 0.15.0 will enable better handling of failed transactions. Notably, the utilization of Sierra for proving failed transactions. This addition ensures a more reliable and robust network experience by reducing the occurrence of failed transactions and enhancing the overall efficiency of transaction processing.

This advancement aligns with Starknet's commitment to optimizing resource utilization, enhancing transaction processing reliability, and creating a user-friendly ecosystem for building and interacting with applications on the network.