The Core Lightning v26.04rc3 release introduces several new features and improvements for both users and developers. Key user-facing updates include enhanced income summarization with 'bkpr-report', new splicing commands for channel management, and improved payment reliability through parallel pathfinding. Developers benefit from synchronous bcli plugin interactions, dynamic REST API capabilities, and improved logging efficiency. Protocol updates include default splicing and removal of legacy onion format support. This release also reduces binary sizes by approximately 20% and introduces a currencyrate plugin for real-time Bitcoin to fiat conversions.