Lifecycle score 96/100 (healthy).
Status: active
ST has publicly committed to 10-year product longevity for the STM32F103 family (as of January 2021), with no EOL announced. The part is actively manufactured, maintained through current datasheets (RM0008 Rev. 21, Feb 2021) and errata documentation (ES0340), and widely stocked by 12+ authorized distributors with reasonable lead times and pricing.