2025 marked a significant year for API infrastructure improvements, with development priorities shaped by real-world use cases and community insights. The team rolled out several meaningful upgrades to enhance the developer experience. Among the standout features is the Sub-1 sat/vB mode, which unlocks the ability to construct transactions at reduced fees, particularly valuable during network congestion cycles when builders and applications need cost-efficient solutions. These enhancements reflect a commitment to making blockchain tools more accessible and practical for both developers and end users.