Oracle announced that customers will receive 1 year of free extended support to their Oracle Database 19c customers. This basically means that Premier Support for Oracle Database 19c will end at the end of April 2025.  

Please refer to Release Schedule of Current Database Releases (Doc ID 742060.1) for additional details. This support note indicates that:  

Premier Support (PS) ends April 30, 2024, one year of free Extended Support (ES) will be in effect from May 1, 2024 until April 30, 2025. Fees will be required beginning May 01, 2025 through April 30, 2027

Error Correction / Patching is available through April 30, 2027 with paid ES. Without paid ES, patching is only available until April 30, 2025

By Charles